Jun ADSL Protocol Basics. ISSUE1.0 HUAWEI TECHNOLOGIES CO., LTD. HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 0

Transcription

1 Jun 2006 ADSL Protocol Basics ISSUE1.0 HUAWEI TECHNOLOGIES CO., LTD. HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 0

2 As the Internet develops rapidly, human being demands more and more of the network rate and bandwidth. The great demand urges the network to develop from low-speed to high-speed, sharing to switching, and narrowband to broadband. This course describes the Asymmetrical Digital Subscriber Loop (ADSL), a mainstream technology on access network (AN). HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 1

3 Reference Huawei ADSL2+ Principle and Testing Service Guide A oduct.do?actionflag=detailproductsimple&web_doc_id= SC &doc_type=123-1 HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 2

4 By taking this course, you can Know the mainstream xdsl technologies Master the ADSL/ADSL2/ADSL2+ principles Master the ADSL/2/2+ parameters Know the trend of the ADSL technology HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 3

5 Chapter 1 xdsl Overview Chapter 2 ADSL/ADSL/ADSL2+ Principles Chapter 3 ADSL Parameters Chapter 4 ADSL Trend HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 4

6 Mainstream Bearer Technology on Access Network xdsl Flourishing Physical lines cover a large scale and resources are exclusive in the xdsl technologies. Therefore, the xdsl technologies dominant the access network since its birth. Ethernet Striving The Ethernet technology that is originally applied to the enterprise LANs has developed a new market because of the birth of broadband access. The Ethernet and xdsl technologies supplement each other gradually. Nowadays, the Ethernet technology is mainly applied to the AN convergence layer and the leased lines of VIP customers. PON Developing The newly-appeared Passive Optical Network (PON) technology provides the gigabit bandwidth for users at a lower cost. It is no doubt that the PON technology will be a superior opponent to access network. HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 5

7 xdsl The ADSL technology uses the existing twisted pairs to provide asymmetrical upstream and downstream rate for users. The G.SHDSL technology provides the symmetrical and high-speed leased line access service on twisted pairs for users. It is mainly applied to the interconnection of small and medium-sized enterprises, the base station relay of China Mobile and the ISDN primary access. The VDSL technology realizes the leased line connection and access. It is mainly applied to hotel, high-speed access, video meetings, and so on. ADSL: the Asymmetrical Digital Subscriber Line G.SHDSL: the Single-pair High-speed Digital Subscriber Line VDSL: the Very High Speed Digital Subscriber Line HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 6

8 DSL Forming and Developing Digital Subscriber Line xdsl Development Middle 1970s Late 1990s Late 1980s Early 1990s Time ISDN HDSL ADSL VDSL Other DSL xdsl HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 7

9 ADSL Overview ADSL is an asymmetrical xdsl technology. It makes full use of the untapped high-frequency band to transmit data over copper cables at high speed by diversified modulation. Its upstream band ranges from 26 khz to 138 khz, and its downstream band from 138 khz to 1104 khz. Its upstream rate reaches 896 kbps and downstream 8160 kbps. ADSL has capability of adapting rate and anti-interference. Namely, the ADSL technology can adjust its rate to a proper degree based on the line conditions, such as distance, noise, and so on. In the ADSL technology, the longer the transmission distance is, the lower the transmission rate is and the more the transmission attenuates. But the transmission distance and attenuation are not in linear proportion. HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 8

10 G.SHDSL Overview G.SHDSL is a new symmetrical subscriber line technology developed from the High-speed Digital Subscriber Line (HDSL), the Simultaneous Digital Subscriber Line (SDSL) and the Integrated Services Digital Network (ISDN). SHDSL has many features such as multi-rate, optimized performance, lower power consumption for transmitting and compatible spectrum. The rate of a single pair ranges from 192 kbps to 2312 kbps, and can be adjusted adaptively with 8k as its granularity based on the line conditions. The transmission reaches 3 km to 5.5 km in the G.SHDSL technology. The SHDSL technology has the following advantages: Extends the transmission distance of E1/V.35 (TDM) to km that is four times or more farther than that of the common E1/V.35. Provides long-distance leased line access and extends the FR/CES networking distance based on the TDM mode. Makes full use of the existing copper cables to access broadband services asymmetrically. HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 9

11 VDSL Overview VDSL is a new xdsl technology to provide symmetrical or asymmetrical upstream and downstream rate over twisted pairs. Its transmission reaches about 1.5 km, the highest downstream rate is 52 M (asymmetrical) and the highest upstream rate is 12 M (symmetrical). VDSL is the fastest xdsl technology at present. ITU-T G serves as the VDSL. At home or in office, VDSL is thought as the technology to get the closest transmission rate provided by optical fibers. VDSL permits the connection by analog telephones and by high-speed data simultaneously, but it can transmit high-speed data only with short reach. VDSL is similar to ADSL. But it is much easier to realize VDSL because ADSL is designed for the line conditions that are worse than those of VDSL. HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 10

12 xdsl Performance Feature Comparison xdsl Symmetry Maximum Rate Maximum Distance (km) Twisted Pair POTS Service G.SHDSL Asymmetrical 2.3 Mbps No ADSL Asymmetrical Downstream: 8196 kbps Upstream: 896 kbps 5 1 Yes ADSL2+ Asymmetrical Downstream: 25 Mbps Upstream: 3 Mbps Yes VDSL Symmetrical/A symmetrical Downstream: 52 Mbps (asymmetrical) Upstream: 12 Mbps (symmetrical) Yes HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 11

13 Questions 1. What are the technical features of the ADSL, VDSL and G.SHDSL technologies? 2. What are the applications of the ADSL, VDSL and G.SHDSL technologies? HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 12

14 Chapter 1 xdsl Overview Chapter 2 ADSL/ADSL/ADSL2+ Principles Chapter 3 ADSL Parameters Chapter 4 ADSL Trend HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 13

15 Chapter 2 ADSL/ADSL2/ADSL2+ Principles 2.1 ADSL Protocols Standardization 2.2 ADSL Principle 2.3 ADSL2 Features 2.4 ADSL2+ Features HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 14

16 ADSL Standards Some international organizations take on the standardization of the ADSL technologies, including the American National Standards Institute (ANSI), the ITU Telecommunications Union -Telecommunications Sector (ITU-T), and the ADSL Forum. FAMILY DESCRIPTION RATIFIED ADSL G.992.1/ T1.413 G.dmt 1999 ADSL G G.lite 1999 ADSL2 G G.dmt.bis 2002 ADSL2 G G.lite.bis 2002 ADSL2+ G ADSL2 PLUS 2003 HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 15

17 Chapter 2 ADSL/ADSL2/ADSL2+ Principles 2.1 ADSL Protocols Standardization 2.2 ADSL Principle 2.3 ADSL2 Features 2.4 ADSL2+ Features HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 16

18 ADSL Model ATU-R Splitter Twisted pair PSTN Internet Splitter ADSL features 1. The upstream rate reaches 896 kbps and downstream rate 8 Mbps. 2. ADSL: Asymmetric Digital Subscriber Line 3. Transmit voice and data on a twisted pair simultaneously. ADSL standards G.992.1(G.dmt) Standard of fullrate ADSL G.992.2(G.lite) T1.413 Standard of ADSL without signal splitter Standard of fullrate ADSL HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 17

19 G.Lite Overview In G.dmt mode, ADSL needs voice splitters and cannot connect the devices manufactured by different vendors. However, in G.Lite mode, ADSL does not need voice splitters and cuts down the cost of chips and installation. Features of the low-speed G.Lite 1. G.Lite cuts down costs and needs no splitter. 2. G.Lite uses the DMT line encoding mode that performs the antiinterference well. 3. G.Lite provides asymmetrical rate, 512 kbps for upstream and 1.5 Mbps for downstream. 4. G.Lite extends the transmission distance to 7 km at most. G.Lite is rarely used in China by taking bandwidth and market into account. HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 18

20 ADSL Modulation & Demodulation As for the modulation-demodulation technology, we often use the high-speed digital signal processing technology and the modulation coding with optimized performance to get high speed and long distance in transmission. So far, the ADSL modulation-demodulation system uses the following three line encoding technologies: Quadrature Amplitude Modulation (QAM): It modulates two signals into a carrier frequency. The amplitude modulation frequency of the two signals are the same but their phase difference is 90 degree. Carrierless Amplitude/Phase Modulation (CAP): It is based on QAM to modulate data to a single carrier. Discrete Multi-Tone (DMT): It modulates data to multi-carrier, and the data on each carrier is modulated by QAM. DMT is by far the mainstream modulation technology. The DMT modulation technology dominants the market for its powerful anti-interference and popular style. HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 19

21 DMT DMT is by far the commonly-used modulation technology. It segments the transmission band into multiple subchannels, each subchannel corresponds to a carrier of different frequency and is modulated on the corresponding carrier in the QAM mode. The transmission performance of the current subchannels decides the capacity of the transmitted information in each subchannel. Information capacity defines the bits of the data modulated by each carrier. DMT uses khz bandwidth as its unit. It divides a 1 MHz band into 256 subchannels. The POTS service occupies the band ranging from 300 Hz to 4 khz on the telephone wire. By taking the isolation into consideration, DMT assigns the band from 0 khz to 25 khz (namely, the first six channels) to the POTS service. Therefore, only 250 subchannels are actually assigned for transmitting digital services. Each subchannel uses QAM in the DMT technology except the first six subchannels. QAM piles up the output waveform since each subchannel has its own frequency, and then outputs the piled waveform to lines. The peer receive end first restores the piled waveform based on the frequency, and distributes them to each subchannel; then each subchannel uses QAM to demodulate the waveform into data bits. HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 20

22 DMT Sub-Carrier Data SNR noise attenuate s Available band Subchannel Object 1 69 khz: upstream pilot tone khz 276 khz: downstream pilot tone Object 2 1 Voice tone 7 26KHz MHz Upstream subcarrier Downstream subcarrier HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 21

23 ADSL System Initialization Aims The ADSL system initialization aims to test the performance of actual subchannels, and to balance the transmission configuration between ATU-C and ATU-R before their work, such as the upstream and downstream rate, the number of sub-band, and so on. And finally, the ADSL system initialization sets up an available link for communication. Process Activate the request and confirm the procedure Transceiver negotiation Channel analyzing Parameter switching HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 22

24 Chapter 2 ADSL/ADSL2/ADSL2+ Principles 2.1 ADSL Protocols Standardization 2.2 ADSL Principle 2.3 ADSL2 Features 2.4 ADSL2+ Features HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 23

25 ADSL2 Standard ADSL2 is developed from ADSL, its standard (G.992.3) has been defined in June, ADSL2 assigns the band as ADSL does, their downstream band is 1104 khz. Since ADSL2 uses the enhanced modulation mode, its downstream rate can theoretically reaches 12 Mbps and its upstream rate 1.2 Mbps or so. The Annex I/J of G enhances the all-digital loop mode. Annex I works if the loop line carries the POTS service; Annex J works if the loop line carries the ISDN service. The Annex L of G refers to the long-distance ADSL2. HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 24

26 Comparison Between ADSL2 and ADSL ADSL2 has better performance. Because ADSL2 uses the enhanced modulation mode, it weakens the impact on signal from line noises, gets more line coding gain, and promotes the rate for connecting. ADSL2 uses the variable overhead bit, its overhead rate ranges from 4 kbps to 32 kbps. ADSL uses the constant overhead rate 32 kbps. Compared with ADSL, ADSL2 increases its rate by 50 kbps and extends its transmission distance by 200 m. Namely, the coverage of ADSL2 is increased by 6%. HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 25

27 Comparison Between ADSL2 and ADSL HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 26

28 New Features of ADSL2 Lower Power Consumption ADSL2 manages the power consumption to lower the running consumption. This new function is presented as follows: 1) ADSL2 lowers the transmitting power consumption to reduce the unexpected noise margin. Namely, lower the futile power consumption on the premise of the service stability. The supplementary L2 mode lowers the power consumption. This mode only guarantees the power consumption to transmit the required management messages and synchronization signals (for example, using 1-bit constellation ) when no service data is transmitted. In addition, when there is the user data that needs transmitting, the power consumption can be restored at once. The power consumption in L2 mode is only 30% of that in normal operation. 2) The central office (CO) and the customer premise equipment (CPE) of ADSL2 can perform the function power cutback ranging from 0 db to 40 db. By working with the first rule, this function can lower the power consumption in transmission when the device runs normal. For ADSL, only CO has such a function and ranges from 0 db to 12 db. HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 27

29 New Features of ADSL2 Modularization Architecture For ADSL2/ADSL2+, the ADSL transceiver is functionally divided as follows: Transport protocol specific transmission convergence (TPS-TC) Physical media specific transmission convergence (PMS-TC) Physical media dependent (PMD) Management protocol specific transmission convergence (MPS-TC) Each sublayer is encapsulated, and messages between these sublayers are defined. This is helpful for the interconnection between devices made by different vendors. HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 28

30 Chapter 2 ADSL/ADSL2/ADSL2+ Principles 2.1 ADSL Protocols Standardization 2.2 ADSL Principle 2.3 ADSL2 Features 2.4 ADSL2+ Features HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 29

31 ADSL2+ Standards ADSL2+ is the second generation full-rate ADSL. In 2003, ITU presents G that is also called the ADSL2+ standard. G is compatible with the first generation ADSL standard, and it has more functions, higher rate and more stable operation. For its advantages account, ADSL2+ attracts more attention and prevails in application. ADSL has high rate, supports multi-service, and is maintainable. Therefore, ADSL has been the mainstream xdsl technology nowadays. HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 30

32 ADSL2+ Feature High Rate & Long Distance Higher rate and Wider downstream bands The following figure compares the spectrum distribution of ADSL2 and ADSL2+. Compared with ADSL2, the ADSL2+ frequency ranges higher (tone ), and ADSL2+ has more subbands (512). Therefore, ADSL2+ provides 24 Mbps or more for the upstream rate. Besides, ADSL2+ extends the transmission distance. HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 31

33 ADSL2+ Features Longer transmit distance The transmit distance of ADSL2/ADSL+ reaches 6.5 km or more with the rate of 192/96 kbps ADSL2 supports 1-bit constellation, and ADSL supports 2-bit constellation at minimum. ADSL2 annex L uses a new spectrum allocation. If the distance is over 4 km, the subband higher than Tone 128 are disabled to promote the transmit power of the subband that is lower than Tone 128, and to increase the distance. The frame overhead can be flexibly configured to provide 28 kbps bandwidth. This is very important in the case of long distance. The receiver decides the tone ordering and the pilot tone. This improves the problem that ADSL cannot be activated pilot tone because of the low SNR of the ADSL pilot tone signal. In addition, HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 32

34 ADSL2+ Features HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 33

35 ADSL2+ Features Rate Binding Carriers often need provide the service of different levels for various customers. The diversified services are made a whole through binding multiple telephone wires to promote the rate for the home user and the business user. The ADSL2 standard supports the IMA standard of the ATM operation to bind the services. Using the IMA technology, ADSL2 binds two or more copper wires as one ADSL connection. In this case, the downstream rate promotion is flexible. IMA adds a new sublayer between the physical layer and the ATM layer of ADSL. At the transmit end, the IMA sublayer distributes the ATM data stream from the ATM layer into multiple ADSL physical layers. The process at the receive end is on the contrary. To bind the services of various bit error rate and delay, the IMA sublayer defines the IMA frame, protocol and managing function in a detailed manner. Meanwhile, the IMA sublayer requires some functions of the ADSL physical layer to be updated. For example, discard the idle cell and the error code at the receive end. HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 34

36 ADSL2+ Features More reliable running & Good spectrum compatibility The receiver decides the tone ordering based on the channel analysis result, and selects the tone of the best performance as the pilot tone. This makes for the stable ADSL connection. During the negotiation, the tone is disabled, and the receiver tests the distribution of the radio frequency interference (RFI) for bypassing the RFI signal and reducing the crosstalk on other twisted pairs. ADSL2+ has a good capability of dynamic adaptation. For example, it enhances the bit swap function, and changes the line rate seamlessly and dynamically. The power cutback of the receiver and the transmitter is 40 db high, and reduces the echo and crosstalk at local end. The receiver decides the pilot tone, and avoids that the line cannot be activated because of the line connector interference or the AM interference. ADSL2+ shortens the negotiation process, and quickly restores the connection synchronization from errors. HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 35

37 ADSL2+ Features SRA ADSL2+ can improve the crosstalk problem by using the seamless rate adaptive (SRA) technology. Using SRA, ADSL2+ can change the ADSL transmit power without changing the ADSL connection rate and bit error rate. When detecting the channel condition change, ADSL2+ adapts the rate to the change. This point is transparent to subscribers. SRA is used for the decoupling at the modulation layer and the framing layer of the ADSL2+ system. Decoupling enables the modulation layer to change the transmit rate parameter, but it does not change the parameter of the framing layer. Pay attention that the bit error will occur and cause the system restarted if the parameter of the framing layer changes and causes the frame synchronization loss. HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 36

38 ADSL2/ADSL2+ Features Overview 1. Enhanced coding function 2. Lower power consumption 3. Modularization structure 4. High rate & Long distance 5. Rate binding function 6. More stable running & Good spectrum compatibility 7. Seamless rate adaptation technology HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 37

39 Summary ADSL is widely used on the existing network. ADSL2 is only a connecting point in technology development, so it is rarely used for commercial purpose. Now, ADSL is being upgraded to ADSL2+. Standard/ Working Upstream/Down- Transmit Step Features Frequency (Hz) stream rate (bps) Distance (km) (kbps) ADSL ADSL2 ADSL k M k M k 138K 2.2 M 896 k/8196 k M/12 M M/25 M HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 38

40 Questions 1. Briefly describe the three line coding technologies for ADSL modulation & demodulation. 2. What new features does ADSL/ADSL2+ have? HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 39

41 Chapter 1 xdsl Overview Chapter 2 ADSL/ADSL/ADSL2+ Principles Chapter 3 ADSL Parameters Chapter 4 ADSL Trend HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 40

42 Configuration Parameters of ADSL Service This chapter chiefly describes the parameter in the ADSL line profile for activating the ADSL port ADSL transmission mode Rate setting Upstream/downstream channel bit swap Trellis code Channel mode Noise margin Signal attenuation HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 41

43 Chapter 3 ADSL Parameters 3.1 ADSL Transmission Mode 3.2 ADSL Rate Parameter 3.3 ADSL Stability Parameter HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 42

44 ADSL Transmission Mode Customers use this parameter to choose a standard for activating the ADSL line. The parameter corresponds to the T1.413 issue 2 presented by ANSI and the following standards by ITU : G.992.1, G.992.2, G (G.dmt.bis), G and G (G.dmt.bisplus). The maximum downstream rate can be 8 Mbps or more in G.dmt (G.992.1, G and G.992.5) and T1.413, but only 1.5 Mbps in G.lite. Therefore, G.dmt together with T1.413 is called full-rate transmission mode. In addition, ITU defines a specific handshake protocol G (G.hs) for DSL, and G.dmt and G.lite use the protocol. Therefore, G.dmt and G.lite are called G.hs mode. HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 43

45 Standard For Port in Negotiation Mode Supported by CO Negotiated Mode of Line All Full rate G.lite According to the mode supported by CPE, the port can be activated by any of the following standards: G.dmt, G.dmt.bis, G.dmt.bisplus, G.lite and T According to the mode supported by CPE, the port can be activated by any of the following standards: G.dmt, G.dmt.bis and G.dmt.bisplus and T According to the mode supported by CPE, the port can be activated by the G.lite standard. T1.413 According to the mode supported by CPE, the port can be activated by the T1.413 standard. G.dmt G.hs According to the mode supported by CPE, the port can be activated by any of the following standards: G.dmt, G.dmt.bis and G.dmt.bisplus. According to the mode supported by CPE, the port can be activated by any of the following standards: G.dmt, G.dmt.bis, G.dmt.bisplus and G.lite. G992.1 According to the mode supported by CPE, the port can be activated only by the G.dmt standard. G992.2 According to the mode supported by CPE, the port can be activated only by the G.lite standard. G992.3 According to the mode supported by CPE, the port can be activated by either the G.dmt standard or the G.dmt.bis. G992.4 According to the mode supported by CPE, the port can be activated only by the G.lite standard. G992.5 According to the mode supported by CPE, the port can be activated only by the G.dmt.bisplus standard. HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 44

46 Chapter 3 ADSL Parameters 3.1 ADSL Transmission Mode 3.2 ADSL Rate Parameter 3.3 ADSL Stability Parameter HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 45

47 Rate Parameters Minimum transmit rate: It presents the minimum activation rate required in the current direction after the line activation. Maximum transmit rate: It presents the maximum activation rate in the current direction after the line activation. If the rate is fixed, the maximum and the minimum activation rates must be identical. After the activation, the actual line rate will satisfy the activation requirement after being adapted from the expected maximum rate to the minimum rate. Such an activation requires that the error bit rate must be smaller than 10-7, and the noise margin must be around the target noise margin. During the ADSL connecting, if the line is in good conditions, and the calculated downstream rate is bigger than the configured maximum rate, the system will restrict the downstream rate to the maximum rate and increase the downstream SNR margin. If the line is in poor conditions, and the calculated maximum downstream rate cannot satisfy the configured maximum value, the system will set up the connection at the actual downstream rate on the premise of guaranteeing the target downstream SNR margin. Configure the upstream rate and the downstream rate in the same way. Will you set parameters for rate? (y/n)[n]:y HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 46

48 Low Upstream Rate Affecting Downstream Rate [Fault Description] The upstream rate is configured too low and causes the low downstream rate. [Troubleshooting] Check the port parameter, and it is found that the upstream rate of the ADSL port on the MA5100 is 64 kbps, and the downstream rate is 960 kbps. Change the upstream rate to 512 kbps, and the fault is troubleshot. [Fault Analysis] As charging is involved, the downstream rate and the upstream rate differ greatly. In application, however, if the upstream rate is lower than 128 kbps, such as 64 kbps, the downstream rate will be affected seriously. [Cause Analysis] If an ADSL modem connects a large number of LAN subscribers, or the subscriber uses many Internet services, a lot of TCP sessions will occur. In this case, a multiple of TCP receivers send the ACK message HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 47

49 Upstream/Downstream Channel Bit Swap The bit swap function supports the bit distribution or the power adjustment between subbands without line activation. During the line activation, SNR and the bit allocation are calculated independently for each subband. After the line activation, the line SNR may change for the external environment account. Therefore, the line SNR change may be represented as that SNR increases on some subbands and decreases on some others. If the state persists for a long time, the bit error rate of the line may increase, or cannot satisfy the activation rate and requires the line to negotiate again. If a subband SNR decreases too much and the subband cannot carry the allocated bits, the bit swap functions to shift some bits of the subband to other subbands of high SNR for bit swapping, such as the upstream/downstream channel bit swap. Configure the bit swap as follows: > Downstream channel bit swap 0-disable 1-enable (0 1) [1]: > Upstream channel bit swap 0-disable 1-enable (0 1) [1]: HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 48

50 Chapter 3 ADSL Parameters 3.1 ADSL Transmission Mode 3.2 ADSL Rate Parameter 3.3 ADSL Stability Parameter HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 49

51 Trellis Coding Trellis coding works out the best coding gain using a special coding calculation to increase the line SNR gain. The practice proves that using trellis coding can increase the line SNR gain by 3 6 db at least, but the portion of the error control redundancy code in the line bandwidth does not increase. The improvement is represented as that the activation rate increases a lot compared with that in its failure case after the trellis coding switch is enabled. According to the ADSL standard (G.992.1), the trellis coding function is optional. At present, all Huawei ADSL board series support this function. In the ADSL2/ADSL2+ standard (G.992.3/G.992.5), the trellis coding function is forcibly supported. Now, Huawei ADSL2+ board series also support this function. Enable or Disable the trellis function as follows: > Trellions mode 0-disable 1-enable (0 1) [1]: HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 50

52 Channel Mode There are two channel modes: interleaved mode and fast mode. Fast mode: This mode has short delay and general error correction capability. So it applies to the delay-sensitive service. Interleaved mode: This mode can solve the burst noise and has a good capability of correcting errors. The deeper the interleaved depth is, the better the error correction capability is, and also the longer the delay is. Therefore, the interleaved mode applies to the delay-insensitive service that requires low reliability. Unit of interleaved delay DMT: Use the depth as its unit directly, namely, the interleaved depth. MS: Use millisecond (ms) as its unit, namely, the interleaved delay. Choose the channel mode: > Please select channel mode 0-interleaved 1-fast (0 1) [0]: HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 51

53 Interleaving Principle Interleaving process Span N=7 Enter the data from FEC 21 6, 5, 4, 3, 2, Depth D=3 Read the data to channels De-interleaving process , 9, 2, 15, 8, 1 save the data through channels Object Read the data to FEC 21 6, 5, 4, 3, 2, 1 Object 2 Bit order (no interleaving) Bit order (interleaving) Burst error X X X Receiving bit (no interleaving) 1 2 X X X Receiving bit (interleaving) 1 X X X HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 52

54 Improper Interleaved Depth Causing a Fault [Fault Description] The ADSL subscriber (PPPoEoA) on the MA5100 accesses the Internet after being authenticated on the ISN8850. After the service is available, subscribers complain that they are often offline but can dialup to be online soon after the fault. [Troubleshooting] 1. By monitoring the end-user terminal, we found that the fault occurs, meanwhile, the modem is not deactivated. 2. Partial user terminals use the networking modem+hub+pc. Therefore, we presume that the HUB is blocked when a lot of data are switched due to the HUB performance. We replace the HUB, but the fault persists. 3. The fault may be traced to that the CPU utilization of the ISN8850 is too high. By checking, we found that the CPU utilization is only 19%. It indicates that some other problems cause the fault. 4. After excluding the two possibilities, check the data configured on the MA5100. we found that the port works in the interleaved mode and with the interleaved depth as 64. During monitoring the user terminal, we found that the PING packet jitters regularly. Namely, a PING packet of long delay occurs every seven/eight stable PING packets. In the PPPoEoA mode, the ISN8850 sends the PPP ECHO packets to the client software every 40 seconds to detect whether the PPP subscriber is online. If the ISN8850 has sent such a packet for three times (two minutes) and got no response, it will disconnect the subscriber. Therefore, the fault may be traced to that the interleaved depth is too big and causes the PPP ECHO packet sent by the ISN8850 lost, and the ISN8850 disconnects the subscriber. After the check and analysis, we change the interleaved depth parameter of the port to 16, the condition is improved. Change the parameter to 8, and the fault is troubleshot. [Causes Analysis] Too deep interleaved depth causes long delay on network, furthermore, some data lost and the ISN8850 disconnects the subscriber. HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 53

55 SNR/Noise Margin The SNR margin refers to the additional noise that the system can tolerate on the premise of guaranteeing the current rate and error bit rate. The SNR margin of the modem and the stability of the ADSL connection are in direct ration. Generally, the bigger the SNR margin of modem is, the more stable the connection is. Meanwhile, the SNR margin and the activated physical connection rate are in inverse ratio. Namely, the bigger the SNR margin is, the lower the activated physical connection rate is. Target SNR Margin: It refers to the required noise margin for initialization when the bit error rate equal to or smaller than Maximum SNR Margin: When the noise margin exceeds this value, ADSL must lower its output power. Minimum SNR Margin: When the noise margin is smaller than this value, ADSL must promote its output power. If the promotion fails, ADSL should perform the negotiation again. Set the SNR margin of modem as follows: > Will you set SNR margin for modem? (y/n)[n]:y HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 54

56 Signal Attenuation SATN refers to the signal attenuation. The SATN value is the ratio of the received signal power at the receive end to the transmitted signal power at the transmit end. In fact, SATN is the line attenuation parameter in ADSL, ranging from 0 to db with the step as 0.1 db. If the signal attenuates too much, the ADSL service will be unstable and deactivated frequently. SATN can be caused by the following factors: Crosstalk Bridge connector reflection Line connector attenuation Line resistance attenuation HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 55

57 Locating the Line Fault Based on Channel Attenuation [Fault Description] The ADSL Internet service of an office is faulty. Several ports are frequently deactivated at the interval of several hours, or sometimes the ports are deactivated automatically because of the line fault several times every hour. The subscriber connecting to these ports are less than 500 m away from the MA5100. [Troubleshooting] 1. Run the related port command, and the channel attenuation is found to be too big on these port. The channel attenuation of some of the ports is 24 db upstream and 22 db downstream, and that of some other ports is 42 db upstream and 20 db downstream. 2. The parameter shows that the line connection is abnormal. Punching the wire down on MDF, and connect the telephone wire again in the connection box. In this case, the line attenuation decreases to a small value (less than 10 db). After a test, it is found that the stability of subscriber connection is promoted. The subscribers are offline only for once or twice within two days. [Cause Analysis] The channel attenuation and the distance between RTU and the MA5100 are in direct ratio but without the simple linear relation. Nevertheless, if the distance increases by 100 m, the attenuation increases by 2 db. In this faulty case, the subscriber is less than 500 m away from the MA5100, thus the attenuation must be small in theory. But the attenuation is big in fact, it indicates that the signal attenuates at the connection point but not on the copper wire. Therefore, during enabling the ADSL service, judge the line connection status by checking the channel attenuation. If the actual attenuation is bigger than the estimated one, the line is faulty because of either the non-standard cable or the poor connection of the connector (this case occurs at the subscriber connection box and on MDF most of the time). Following this way to locate the fault, improve the line condition and connection stability. HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 56

58 Parameter Reference Table The following table lists the test parameter value by using the MT880 (target noise margin is 6). The table gives only the reference value of the line length, noise margin, attenuation and rate. The result of the actual line test is a little worse than the values. Downstream Upstream Line Length Noise Margin Attenuation Rate Noise Margin Attenuation Rate HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 57

59 Summary This chapter describes the key parameters of the line profile and their meanings. During configuring the line profile, inherit the default value for most parameters. What requires change are the following parameters: the activation standards used by the line profile, interleaved/fast mode, upstream/downstream activation rate range. HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 58

60 Questions 1. What is the interleaved mode? Please describe the relation between the interleaved depth and delay. 2. Which does the negotiation begin with, the high-rate mode G or the low-rate mode G if CO (full compatible ) and CPE (full compatible) work in the negotiation mode? HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 59

61 Chapter 1 xdsl Overview Chapter 2 ADSL/ADSL/ADSL2+ Principles Chapter 3 ADSL Parameters Chapter 4 ADSL Trend HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 60

62 Three ADSL Problems At present, ADSL often meets the following three problems: Subscribers are offline exceptionally. Subscribers access Internet at a low rate. Subscriber accounts are stolen. Exceptional offline fault is usually traced to either of the following causes: PPP connection is faulty because of the loss of the Keep Alive packets that are based on the PPP connection. Subscribers are offline forcibly because of the Radius packet loss. Low rate for the access to Internet refers to that the port rate is not qualified to guarantee the promised rate. According to the survey, the low rate is often caused by the poor line quality and the unreasonable network architecture on access network. If the subscriber account is shared, the account is stolen and the illegal subscriber is difficult to track. This fault is traced to that telecom carriers do not limit and protect the broadband subscriber account because they lack an effective mechanism to identify subscribers uniquely. HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 61

63 ADSL Trend Broadband ADSL ADSL2 ADSL2+ VDSL2+ Full-service Support the IPTV, Triple Play, leased line, and some other services. Intelligent Speed up the ADSL application, and locate the fault range accurately to reduce the service interruption time. HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 62

64 Obtaining the Newest Documentation The ADSL standardization begins with the regional standard, such as T1E1.4 (North America) and ETSIM6 (Europe). Later, ITU takes charge of the regional ADSL standardization. This organization is a leader of the ADSL standardization. International Telecommunications Union- Telecommunications sector (ITU-T) ADSL Forum ANSI T1E1.4 (North America) HUAWEI TECHNOLOGIES CO., LTD. For internal use only Page 63

65 GPON Fundamentals Copyright 2008 Huawei Technologies Co., Ltd. All rights reserved.

66 References ITU-T ITU-T ITU-T ITU-T Copyright 2008Huawei Technologies Co., Ltd. All rights reserved. Page65

67 Objectives Upon completion of this course, you will be able to: Describe GPON Network Architecture Outline GPON Basic Concepts Outline GPON Applications Copyright 2008Huawei Technologies Co., Ltd. All rights reserved. Page66

68 Contents 1. Overview of Optical Access Network 2. Basic Concepts of GPON 3. GPON Key Technologies 4. Basic Services over GPON Network Copyright 2008Huawei Technologies Co., Ltd. All rights reserved. Page67

69 Contents 1. Overview of Optical Access Network 2. Basic Concepts of GPON 3. GPON Key Technologies 4. Basic Services over GPON Network Copyright 2008Huawei Technologies Co., Ltd. All rights reserved. Page68

70 Architecture of Optical Access Network Center Office DSLAM xdsl 2~20Mbps 3.5-5km Remote Business Customer Premise Equipment ODN 2.5Gbps Down /1.25Gbps Up Curb FTTC OLT DSLAM FTTH OLT 2.5Gbps Down /1.25Gbps Up ONT 2.5Gbps Down /1.25Gbps Up FTTB OLT ONU Copyright 2008Huawei Technologies Co., Ltd. All rights reserved. Page69

71 What is Optical Access Network? From the architecture diagram, the optical access network comprises the following scenarios: FTTB scenario SBU : Single business unit ; providing a comparatively small number of ports such as POTS, 10/100/1000BASE-T and DS1/T1/E1 ports MTU :Business Multi-tenant unit ; providing a comparatively larger number of ports, including POTS, 10/100/1000BASE-T and DS1/T1/E1 ports. FTTC & FTTCab scenario MDU : Multi-dwelling unit ;providing a comparatively larger number of ports, including 10/100/1000BASE-T, VDSL2, and so on. FTTH scenario SFU : Single family unit, providing a comparatively small number of ports, including following types: POTS, 10/100/1000BASE-T, and RF. Copyright 2008Huawei Technologies Co., Ltd. All rights reserved. Page70

72 Contents 1. Overview of Optical Access Network 2. Basic Concepts of GPON 3. GPON Key Technologies 4. Basic Services over GPON Network Copyright 2008Huawei Technologies Co., Ltd. All rights reserved. Page71

73 What is GPON? PSTN Internet IPTV Optical Line Terminal Passive Optical Network Passive Optical Splitter.. Optical Network Termination. Optical Network Unit. GPON: Gigabit-capable Passive Optical Network PON is short for Passive Optical Network ; GPON architecture: Passive optical network featuring one-to-multiple-point; Optical Line Terminal (OLT) Optical Network Unit (ONU) Optical Distribution Network (ODN). Copyright 2008Huawei Technologies Co., Ltd. All rights reserved. Page72

74 Why GPON? <1Mbps 3M 8M 25M 2.5G Access Technology Coverage diameter Service requirements ADSL/ADSL2+ Copper Based VDSL / ADSL2+ Copper Based PON Fiber Based <3km <2km <1km ~20km Internet Video conference Remote control VoD HDTV Game Live TV VoD HDTV Time GPON supports : Triple-play service HDTV: 16-20M/program; Data: 10M; High-bandwidth up to 1.25Gbps/2.5Gbps Long-reach up to 20km Video Conference: 4.5M GPON is the choice of large carriers in the international market. Copyright 2008Huawei Technologies Co., Ltd. All rights reserved. Page73

75 GPON Principle----Data Multiplexing GPON adopts Wavelength Division Multiplexing (WDM) technology, facilitating bi-direction communication over a single fiber. 1310nm ONU/ONT OLT ODN 1490nm To separate upstream/downstream signals of multiple users over a single fiber, GPON adopts two multiplexing mechanisms: In downstream direction, data packets are transmitted in a broadcast manner; In upstream direction, data packets are transmitted in a TDMA manner Copyright 2008Huawei Technologies Co., Ltd. All rights reserved. Page74

76 GPON Principle----Downstream Data for specified ONU Data for specified ONU Broadcast mode Copyright 2008Huawei Technologies Co., Ltd. All rights reserved. Page75

77 GPON Principle----Upstream Data from specified user 1 Data from specified ONU TDMA (Time Division Multiplex Access) mode Copyright 2008Huawei Technologies Co., Ltd. All rights reserved. Page76

78 Basic Performance Parameters Data Rate (Upstream/Downstream Gbps) Maximum physical reach / km Maximum differential fibre Distance Split ratio 20 km 1:64/up to1:128 The distance between nearest and farthest ONTs Copyright 2008Huawei Technologies Co., Ltd. All rights reserved. Page77

79 GPON Network Model Reference UNI R/S ODN S/R SNI ONU/ONT OLT Service node T reference point NE IFpon WDM Optical splitter WDM IFpon NE V reference point ONU ONT ODN OLT WDM NE SNI UNI Optical Network Unit Optical Network Terminal Optical Distribution Network Optical Line Terminal Wavelength Division Multiplex Module Network Element Service Node Interface User Network Interface Copyright 2008Huawei Technologies Co., Ltd. All rights reserved. Page78

80 GPON Multiplexing Architecture GEM Port: the minimum unit for carrying O N T-CONT Port Port Port services. T-CONT: Transmission Containers is a kind of buffer that carries services. It is mainly used to U T-CONT Port Port transmit upstream data units. T-CONT is introduced to realize the dynamic bandwidth assignment of the upstream bandwidth, so as to IFpon O N U T-CONT Port Port enhance the utilization of the line. IF pon: GPON interface. Based on the mapping scheme, service traffic is carried to different GEM ports and then to O N T-CONT Port different T-CONTs. The mapping between the GEM port and the T-CONT is flexible. A GEM port can correspond to a T-CONT; or multiple GEM U Ports can correspond to the same T-CONT. A GPON interface of an ONU contains one or ONU-ID identifies ONUs Alloc-IDs identifies T-CONTs Port-ID identifies GEM ports multiple T-CONTs. Copyright 2008Huawei Technologies Co., Ltd. All rights reserved. Page79

81 GPON Multiplexing Architecture OLT ONT GEM Port T-CONT GEM Port T-CONT IF-PON IF-PON SNI QoS/ Forward flow Classification Classification GEM port Optical Fiber T-CONT GEM port Virtual UNI UNI OLT ONU Copyright 2008Huawei Technologies Co., Ltd. All rights reserved. Page80

82 Mapping of TDM Service in GPON TDM Buffer Ingress buffer GEM Frame PLI Port ID PTI HEC TDM/E1 TDM/E1 data Payload TDM fragment TDM frames are buffered and queued as they arrive, then TDM data is multiplexed in to fixed-length GEM frames for transmission. This scheme does not vary TDM services but transmit TDM services transparently. Featuring fixed length, GEM frames benefits the transmission of TDM services Copyright 2008Huawei Technologies Co., Ltd. All rights reserved. Page81

83 Mapping of Ethernet Service in GPON Ethernet Packet GEM Frame Inter packet gap Preamble SFD DA SA Length\Type MAC client data FEC EOF PLI Port ID PTI CRC GEM Payload 5 bytes GPON system resolves Ethernet frames and then directly maps the data of frames into the GEM Payload. GEM frames automatically encapsulate header information. Mapping format is clear and it is easy for devices to support this mapping. It also boasts good compatibility. Copyright 2008Huawei Technologies Co., Ltd. All rights reserved. Page82

84 Contents 1. Overview of Optical Access Network 2. Basic Concepts of PON 3. GPON Key Technologies 4. Basic Services over GPON Network Copyright 2008Huawei Technologies Co., Ltd. All rights reserved. Page83

85 GPON Key Technologies T-CONT Attenuation Copyright 2008Huawei Technologies Co., Ltd. All rights reserved. Page84

86 T-CONT Bandwidth Terms Transmission Containers (T-CONTs): it dynamically receives grants delivered by OLT. T-CONTs are used for the management of upstream bandwidth allocation in the PON section of the Transmission Convergence layer. T-CONTs are primarily used to improve the upstream bandwidth use on the PON. T-CONT BW type falls into FB, AB, NAB, and BE. Five T-CONT types: Type1, Type2, Type3, Type4, and Type5. Copyright 2008Huawei Technologies Co., Ltd. All rights reserved. Page85

87 Fibre Attenuation and Power Budget Fiber attenuation relates to the fibre length The attenuation of fibre splicing point is About 0.35 db per km for 1310,1490nm generally less than 0.2dB Other factors may cause attenuation, such as fibre bending Table G Classes for optical path loss Class A Class B Class B + Class C Minimum loss 5 db 10 db 13 db 15 db Maximum loss 20 db 25 db 28 db 30 db NOTE The requirements of a particular class may be more stringent for one system type than for another, e.g. the class C attenuation range is inherently more stringent for TCM systems due to the use of a 1:2 splitter/combiner at each side of the ODN, each having a loss of about 3 db. Huawei s OLT and ONU 28 db (Class B+) Copyright 2008Huawei Technologies Co., Ltd. All rights reserved. Page86

88 Parameters of GPON (Class B+) Items Unit Single fibre OLT: OLT Mean launched power MIN dbm +1.5 Mean launched power MAX dbm 5 Minimum sensitivity dbm -28 Minimum overload dbm -8 ONU: ONU Mean launched power MIN dbm 0.5 Mean launched power MAX dbm 5 Minimum sensitivity dbm -27 Minimum overload dbm -8 Copyright 2008Huawei Technologies Co., Ltd. All rights reserved. Page87

89 Contents 1. Overview of Optical Access Network 2. Basic Concepts of PON 3. GPON Key Technologies 4. Basic Services over GPON Network Copyright 2008Huawei Technologies Co., Ltd. All rights reserved. Page88

90 GPON Service Provisioning Carriers nightmare Initial configurations (such as service system information configuration, data configuration) are required on terminals and then they can be put into use. To finish these configurations, it is not cost-effective to carriers. Flexible Configuration plan of GPON GPON supports zero configuration on terminals and plug-and-play of terminals, which is costeffective. Application scenario 1 Subscribe for services CRM Order Management Service Provisioning Billing 2 Configure service network NMS Send terminals to users 1 Finish the auto-configuration of OLT Use OMCI to finishing data configuration on ONT 3 Access Network User STB 2 ONT ONT Start up ONT and make registration with serial number ONT ONT Copyright 2008Huawei Technologies Co., Ltd. All rights reserved. Page89

91 Triple Play Solution in GPON BB service platform PC IPTV SFU Carrier s OSS TL1/CORBA /API NMS Notification VoD Server Middle ware Phone CPE MDU Splitter OLT Ethernet Firewall IP Core Intern et PC Phone SBU BRAS AAA Server Softswitch FE CBU IP E1 Voice CPE ODN NSP ASP/ISP Copyright 2008Huawei Technologies Co., Ltd. All rights reserved. Page90

92 Questions GPON network architecture? Describe GPON service provisioning? Copyright 2008Huawei Technologies Co., Ltd. All rights reserved. Page91

93 Summary In this presentation, we introduced GPON basic concept,architecture,and principle. We also discussed about GPON service provisioning and application. Copyright 2008Huawei Technologies Co., Ltd. All rights reserved. Page92

94 FTTx System Overview Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved.

95 Contents 1. FTTx Network Introduction 2. FTTx Hardware Description 3. FTTx Solutions Overview Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page94

96 FTTx Overview An FTTx solution is a unified full-service access solution based on the T-bit optical access platform and aiming at the ALL IP network architecture. FTTx solutions, which cover FTTH, FTTB, FTTC, and FTTO buildup scenarios, provide full-service access including mobile base station backhaul that have high-reliability, high-bandwidth, and high-security features. Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page95

97 FTTx Solution-Major Services FTTx solutions provide multiple access services in different scenarios, mainly including high-bandwidth IPTV service, open access network (OAN) access of wholesale service mode, high-rate Internet access service, and the private line access service of the enterprise and cell cite. Major Services Provided by an FTTx V1R6 Solution Service Open Access Enterprise Access Service Cell Site Access Service Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page96

98 FTTx Solution-network application Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page98

99 FTTx Solution-Products CO Curb Building Home Large OLT Medium OLT Medium xpon uplink MSAN Medium xpon uplink DSLAM xdsl+pots MDU LAN+POTS MDU FE HG FE+POTS HG FE+POTS+ WLAN HG Mini OLT Outdoor cabinet stair well box Outdoor HG OLT MxU ONT Integrated management All the GPON series products can be management by imanager N2000 /U2000 unified NMS Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page99

100 Questions Which scenarios can FTTx network support? What are the main services FTTx network supports? Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page100

101 Contents 1. FTTx Network Introduction 2. FTTx V1R6 Hardware Description 2.1 Involved Equipment 2.2 OLT 2.3 MxU 2.4 ONT 3. FTTx V1R6 Solutions Overview Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page101

102 Involved Equipment In an FTTx solution, the OLT, MDU, SBU, CBU, and ONT are fit together to network. SCENE OLT MDU/SBU/CBU ONT FTTH MA5600T/MA5603T - FTTB/C MA5600T/MA5603T MA5620/MA5626 MA5612 MA5616 MA5652 FTTO MA5600T/MA5603T MA5612 MA5616 MA5620/MA5626 Cell Site Access MA5600T/MA5603T MA5612 MA Opticable MA5600T/MA5603T EOC head end device: - MA5631 EOC terminal: HG7022/HG7042 electricity system MA5600T/MA5603T MA GPON ONT: HG810 HG813 HG863 HG850a HG866 HG865 HG8240 HG8245 HG8247 HG8010 HG8120 HG8120R HG8240R HG8110 HG8242 EPON ONT: HG810e HG813e HG850e HG866e HG8240 HG8245 HG8247 HG8010 HG8120 HG8120R HG8240R HG8110 Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page102

103 Contents 1. FTTx Network Introduction 2. FTTx V1R6 Hardware Description 2.1 Involved Equipment 2.2 OLT 2.3 MxU 2.4 ONT 3. FTTx V1R6 Solutions Overview Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page103

104 MA5600T/MA5603T MA5600T MA5603T Large capacity: Dimensions of plug-in subrack: 530 mm x mm x mm (W x D x H) 2 slots for control boards, 16 slots for service boards and 2 upstream slots Backplane capacity: 3.2 Tbit/s Processing capacity of each slot: 20 Gbit/s The bandwidth between each control board and each upstream interface board: 40 Gbit/s The working mode for control board: active/standby mode Medium capacity: Dimensions of plug-in frame: 442 mm x mm x mm (W x D x H the mounting ear is not included) 2 slots for control boards, 6 slots for service boards and 2 slots for upstream boards Backplane capacity: 1.5 Tbit/s Processing capacity of each slot: 10 Gbit/s The working mode for control board: active/standby mode MA5600T and MA5603T use the same software and hardware platforms, and the O&M cost is reduced. Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved.

105 MA5600T Service Subrack 21-inch subrack 19-inch subrack Fan Tray Slots for control boards: support active/standby board protection Power interface board: supports dual-board protection Slots for upstream interface boards: support GE optical or electrical port and 10 GE optical ports Slots for universal interface boards: support the clock interface board Description of and MA5600T universal interface service board subrack Two service subracks: 21-inch and 19-inch. The 21-inch subrack has 2 more slots on the service board than the 19-inch subrack. The 21-inch subrack is widely used in oversea markets. It provides OLT, MSAN and DSLAM plug-in frames. 19-inch subrack of R010 version and later versions is available on the oversea MSAN/DSLAM scenario. The OLT seldom use the 19-inch subrack in oversea markets. Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved.

106 MA5603T Service Subrack Slots for active/standby control boards Slots for active/standby upstream interface boards Slots for service boards Slots for active/standby power boards 1+1 redundancy design: Power boards Upstream interface boards Control boards Slots for universal interface boards MA5603T service subrack provides the integrated opticalcopper access platform and the access of PON, MSAN and DSLAM services. Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved.

107 Splitter Subrack of MA5600T ETSI SPL subrack There are 20 slots on the ETSI SPL. They are fixed on the cabinet through the mounting ear. Dimensions (mounting ears included): 530 mm x 235 mm x mm (W x D x H) Dimensions (mounting ears excluded): 490 mm x 235 mm x ETSI SPL subrack mm (W x D x H) ETSI SPL subrack separates VDSL2/ADSL2+ signals from POTS/ISDN signals by configuring SPL board. A service subrack and a splitter subrack can be installed on the 2.2 m indoor cabinet. Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved.

108 Control Board S C U B x D S L V o i c e S C U N G P O N P 2 P V D S L 50 M bps GE/FE GPON SCUB Introduction to SCUB Implements the access of copper cables and supports following functions: POTS and xdsl access modes 48 Gbit/s switching capacity GE channel to the service board Active and standby switchover Environmental monitoring parameters 4 SFP GE upstream optical ports SCUN Introduction to Daughter Board Introduction to SCUN Is an integrated optical-copper control board that supports following functions: Full service access and the access of xpon, P2P, POTS, and xdsl Active and standby switchover GE or 10GE channel to the service board Environmental monitoring parameters 4 SFP GE upstream optical ports M2XA: is installed only on the SCUN, supports 512K MAC addresses and functions of CKMC. CKMC: implements the 1588 V2 clock processing function. and provides stratum-3 clock for the system; implements the VoIP logic forwarding function. FLBA: implements the VoIP logic forwarding function. Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved.

109 GPBD Board 8-port GPON OLT Interface Board ONT G P B D S C U N GIU GIU GE/10GE IP/MPLS NGN/IMS BRAS EMS Enlarging the system capacity Supports eight GPON ports and split ratio of 1:128 (Class C+). Supports 16 boards for a cabinet and up to 8K users. Increasing the transmission reach Improving QoS Supports SFP optical module of Class B+/Class C+. Class C+ optical module provides 32 db optical power budget and a maximum of 60 km transmission reach. Supports various traffic classifications on the user side: CVLAN, CVLAN+1p and CVLAN+Ethertype. Supports two rate three color marker (trtcm) and two working modes: green marker priority and higher priority. GPBD Decreasing system power consumption Optimizing bandwidth allocation Promoting the O&M efficiency Uses an ASIC chip to lower the power consumption (51 W). Supports the manual shutdown of idle PON ports to prevent power waste. Supports 1K T-CONT/PON ports and accurate bandwidth control. Supports two bandwidth allocation modes for low delay and high bandwidth utilization. Supports the OPM function which works with N2510 to monitor the temperature, voltage, current, receiving optical power and transmitting optical power of PON ports, and to analyze status of optical lines and quickly identify faults of the optical lines. Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved.

110 EPBD Service Board 8 EPON Boards ONT E P B D S C U N GIU GIU GE/10GE IP/MPLS NGN/IMS BRAS EMS Major Specification Supports the following specifications: A maximum of 8 EPON ports Pluggable optical modules A maximum of 1: 64 split ratio Forward error correction function in both upstream and downstream directions and enabling/disabling of FEC on the ONT CTC triple-churning encryption in the downstream direction. The encryption key is timed updated, and the time can be set. Dynamic bandwidth allocation function (DBA). A DBA profile can be bound to an ONT. EPBD Fault diagnosis function including various alarm detections and loopback diagnostic functions for EPON network. Dying gasp alarm Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved.

111 POTS Service Board Phone Phone Twisted pair A S P B S C U N GIU GIU GE/10GE IP/MPLS Softswitch BRAS EMS Major Specification 64-channel built-in DSP and 1:1 non-convergence for online users Multiple working modes: common user, 12/16 KC, and polarity reverse Built-in MELT function for high test accuracy Short loop that automatically decreases the working H808ASPB voltage from 48 V to 36 V within 3 km access reach Board power consumption (short loop in all off-hook): 70.8 W Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved.

112 ISDN BRI Service Board ISDN Phone ISDN Phone Twisted pair D S R D S C U N GIU GIU GE/10GE IP/MPLS Softswitch BRAS EMS Major Specification The DSRE and DSRD have the same panel but different silkscreens. Each supports the 32-channel BRA. The DSRD uses the 2B1Q encoding mode, and the DSRE uses the 4B3T encoding mode. (2B1Q encoding mode is the standard in North America which is currently widely used in other areas including China; a few countries in Europe use 4B3T encoding mode.) The remote supply of ports is supported. DSRD The point-to-point and point-to-multipoint working modes are supported. The long-time active working mode is supported Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved.

113 EDTB Service Board DDN TDM SHDSL Modem PBX TDM SHDSL Modem E1 E1 E D T B E D T B S C U N GIU GIU GE/10GE IP/MPLS EMS Major Specification Supports the following functions: Access services of 16 channels of TDM SHDSL and 16 channels of E1 Transparent transmission and aggregation of E1 over SHDSL services TDM PWE3 service (The EDTB must work with the SPUB board) Transmission distance of 16 channels of E1 on the EDTB board V.35 port access on the CPE 512 DSP channels, VoIP function, and PRI-to-H.248 signaling conversion by EDTB using the IUA protocol Impedance: 75 Ω or 120 Ω Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved.

114 ADSL2+ Service Boards AD Modem AD Modem Twisted pair A D x x S C U N GIU GIU GE/10GE IP/MPLS Softswitch BRAS EMS Major Specification ADKM is a 64-port of ADSL2 service board. It supports SELT, MELT and DELT tests and Annex B and J. (used by DT) ADPE is a 64-port ADSL2+ over POTS service board. It features the highest density in the industry with the built-in 600-ohm splitter. It supports G.INP physical layer retransmission and Annex A, L, and M. ADPD is a 64-port ADSL2+ over POTS service board. It supports SELT and DELT tests. The preceding ADSL2+ service boards support the following functions: Two-pair ADSL2+ Bonding on the chipset ADKM ADPD ADPE Port protection Over-temperature protection Automatic shutdown of broadband services for energy saving Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved.

115 VDSL2 Service Boards VD Modem VD Modem Twisted pair V D x x S C U N GIU GIU GE/10GE IP/MPLS Softswitch BRAS EMS VDMF is a 48-port VDSL2 over POTS service board. It supports SELT and DELT tests and G.INP physical layer retransmission (V800R009). VDPE is a 64-port VDSL2 over POTS service board with built-in splitter. It supports SELT and DELT tests and G.INP physical layer retransmission (V800R009). VDPM is a 64-port VDSL2 over POTS service board. It supports SELT, DELT and MELT tests and G.INP physical layer retransmission (V800R009). VDJM is a 48-VDSL2 over POTS service board. It supports SELT, DELT and MELT tests (used by DT). VDPE and VDPM work with the SCUN control board to provide a non-blocking 50 Mbit/s bandwidth for a user. Major Specification The preceding boards support the following functions: Compatible with ADSL,2+, configuration of various spectrum profiles, including VDMF VDPE VDPM VDJM 8a, 8b, 8c, 8d, 12a, 12b and 17a (8a, 8b, 8c and 8d support 2-wire bonding.) ATM and PTM encapsulation modes Port protection and over-temperature protection Automatic shutdown of broadband services for energy saving Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved.

116 ADSL2+ Combo Service Board Phone AD Modem Home Splitter C A M E S C U N GIU GIU GE/10GE IP/MPLS Softswitch BRAS EMS The Combo board features the highest density in the industry with a built-in 600-ohm splitter. It provides 48-channel ADSL2+ over POTS port. It supports the following functions: 64-channel built-in DSP and 1:1 non-convergence for online users Various transmission modes: Annex A, Annex L, and Annex M (Annex B and Annex J are not supported) Built-in MELT for easy fault locating G.INP physical layer retransmission Major Specification Increasing the density and saving the space Decrease the TCO MDF COMBO Conserving energy 30% H80BCAME Facilitating the project installation. Saving 2/3 MDF occupation Before COMBO Decreasing 30% power consumption Static power: 33.5 W Typical power: 55.7 W Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved.

117 ATM Interface Unit Board AIUG Board ATM network ATM DSLAM STM-1 STM-1 A I U G S C U N GIU GIU GE/10GE IP Core EMS Major Specification The AIUG board is the ATM interface unit board. The board connects to the ATM- DSLAM devices in the downstream direction, and also provides the ATM and IP private services. The board supports the following functions: 4 ATM optical ports (STM-1) ATM subtending upstream transmission (ATM PWE3) through a private line Introduction to Daughter Board H80102CS: supports two ATM optical ports. AIUG Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved.

118 G. SHDSL Board SHLM Service Board Modem Modem EFM SHDSL ATM SHDSL S H L M S C U N GIU GIU GE/10GE IP Core EMS Major Specification The SHDA board is a 16-port ATM SHDSL service board that provides 16-channels of SHDSL services. The SHLM board supports the following functions: SHDSL.bis access services in the ATM mode and SDHSL access services in the EFM mode M-pairs, EFM, EFM bonding and IMA bonding MELT function Different working modes based on ports SHLM Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved.

119 Multi-GE Uplink Interface Board SPUA Service Processing Board DSLAM 2GE LAG LAN Switch 2GE LAG P R T E P R T E B I U A S S P P U U A A FAN S C U S C U S S P P U U A A X2CS X2CS 4GE LAG PE 4GE LAG 40GE Uplink IP/MPLS Core Positioning Abundant ports Provides eight GE ports and two 10GE ports. Supports SFP interface: GE optical/electrical ports and 10GE optical port. High-end subscribers Functions as an upstream board or cascading board. High Provides the inter-board protection and the aggregation in upstream reliability transmission or cascading; supports 1:1 active/standby aggregation. SPUA Powerful functions Supports 20G line rate forwarding (256-byte packets) and 10 Mbit/s PPS processing capability. Supports Ethernet clock synchronization. Provides hierarchical QoS (HQoS) to ensure fair bandwidth scheduling for content providers (CPs). Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved.

120 Multi-GE Uplink Interface Board ETHB Board DSLAM 2GE LAG LAN Switch 2GE LAG P R T E P R T E B I U A E E T T H H B B FAN S C U S C U E E T T H H B B X2CS X2CS 4GE LAG PE 4GE LAG 40GE Uplink IP/MPLS Core Positioning Common users Abundant ports Supports GE/10GE on the interfaces to the Control Board. Supports eight SFP GE optical module or electrical ports. Functions as an upstream board or cascading board. ETHB High reliability Provides inter-board protection and aggregation; supports load sharing and redundancy protection. Supports 1:1 active/standby aggregation. Supports smart link. Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved.

121 TDM Service Board TOPA Board GPON network G P B S C U T O P STM-1 E1 SDH/DDN D N A Major Specification The TOPA board is a native time division multiplexing (TDM) uplink interface board and uses the daughter board to transmit services upstream. In the upstream direction, the GE signals from the backplane are converted into the TDM frames. Then the TDM frames are transmitted upstream. In the downstream direction, the signals from TDM lines are converted into GE packets. TOPA Then the GE packets are transmitted to corresponding service boards through control boards Introduction to Daughter Board H801NH1A transmits 8 TDM signals upstream through the E1 port and implements the native TDM function. H801EH1A transmits 8 TDM signals upstream and implements the CESoP function. (currently, EH1A only supports the SATOP function.) H801NH1A transmits 1 TDM signal upstream through the STM-1 port and implements the native TDM function. H801EH1A transmits 1 TDM signals upstream and implements the CESoP function. (currently, CSSA only supports the SATOP function.) Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved.

122 OPGD Board High-Density P2P and Cascading Board DSLA M P2P ONT LAG GE O O P P G G D D S C U N O P G D GIU GIU GE/10GE IP/MPLS NGN/IMS BRAS EMS Highest density in the industry Supports 48 channels of GE access services for one board; support 768 GE ports on one subrack (The board supports only one subrack on one cabinet in full configuration.). Supports pluggable single-fiber and two-fiber SFP optical modules The maximum power consumption is 100 W. Supports P2P access services. Flexible application Supports MxU/DSLAM/CBU cascading accesses (OPGD cannot function as an upstream board). Sets the working mode based on the board: P2P or cascading. OPGD Large service Capacity Supports the synchronous Ethernet (only GE ports support the synchronous Ethernet.) Supports intra-board and inter-board port aggregations. Supports the VLAN-based bridging at layer 2. Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved.

123 SPUB MPLS Service Board ONT G P B D S C U N S P U B GIU GIU PW The SPUB board does not provide any port on this front panel. After traffic streams are forwarded to the SPUB board from the SCU control board, the SPUB board adds MPLS labels to the traffic streams and forwards these traffic streams back to the SCU control board. After that, the SCU control board forwards the traffic streams to the upstream port. Major Specification SPUB Supports the following functions: TDM PWE3/ETH PWE3/ATM PWE3 and also the E2E VPN services LSP and PW protection and MPLS OAM MPLS-based E2E QoS Functioning as a Provider (device on the MPLS core network) and provider edge (device at the edge on the MPLS network) Board-level active/standby protection, with the service interruption time shorter than 50 ms. The active and standby SPUB boards must reside in adjacent slots. A maximum of two SPUB boards in the system. Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved.

124 CSPA Board CESoP Service Board BTS E1 E1 ONT ONT ODN G P B D MA5600T S S C C U U CG PS BP CA S P U B G I U G I U PTN PTN 网关 In the upstream direction, the ONU implements the GEM encapsulation to E1 and then transmits the E1 to the CSPA board. The CSPA board encapsulates the TDMoGEM frame into the E1 data. Then, the CSPA board encapsulates the E1 data to SAToP data, which is then encapsulated by the SPU board into MPLS packets and then forwarded to the PTN device. The process in the downstream direction is reverse to that in the upstream direction. Major Specification BSC Converts from native TDM into SAToP; does not provide ports on the front panel. Supports only the unstructured encapsulation; does not support the structured encapsulation. Supports the SAToP processing of 64 channels of E1 signals; transmits the clock CSPA signals recovered from one of the E1 to the control board. Supports 2K TDM connections. Supports board-level active/standby protection, with the service interruption time shorter than 50 ms. The active and standby SPUB boards must reside in adjacent slots. Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved.

125 Uplink Interface Board and Universal Interface Board GICD: four GE upstream or subtending X2CA: 2-port 10GE optical interface unit board optical ports. GICE: four GE upstream or subtending electrical ports. X2CS: 2-port 10GE uplink interface card. It supports 10GE synchronization Ethernet. GICF: two GE upstream or subtending optical ports. P2CA: 2-port xpon upstream board on the MA5603T GICG: two GE upstream or subtending electrical ports. GICK: supports the following specifications and functions: Two optical/electrical upstream or subtending ports Ethernet clock synchronization Compliance with IEEE1588 V2 GSCA: four optical/electrical GE ports. It supports the Ethernet clock synchronization. CITD: universal interface board. It supports the following specifications: Seven inputs of alarm digital parameters and one output of digital controlling parameters Two inputs of 2 Mbit/s or 2 MHz BITS clock signals and one output of 2 Mbit/s or 2 MHz clock signals (The BIUA board needs to support this output.) PRTE: power interface board. It supports the following specifications: One -48 V power input Fault detection and report Under-voltage detection and detection of whether the input power exists Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved.

126 Questions How many types of OLT? What are the differences between GPBC and GPBD? Which service board can deal with E1 service? Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page126

127 Contents 1. FTTx Network Introduction 2. FTTx Hardware Description 2.1 Involved Equipment 2.2 OLT 2.3 MxU 2.4 ONT 3. FTTx Solutions Overview Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page127

128 MxU Series FTTB LAN FTTB/C DSL FTTO/FTTM Electrical Power Solutions EOC MA5610 : XPON/GE 256POTS/64LAN MA5616: XPON/GE 256POTS/128ADSL2+/ 96VDSL2/64G.SHDSL/32 ISDN MA5612: XPON/GE 48POTS/2GE+22FE/8E1 /RF MA5662 GPON/GE 48 VDSL2 MA5612: XPON/GE 48POTS/2GE+22FE/8 E1/RF HG7022/7042ON 1 Cable input interface 1 TV output interface HG7022(2FE) / HG7042(4FE) MA5620&MA5626 XPON/GE 8/16/24FE+8/16/24POTS 8FE 4GE+4FE(POE) MA5652 GPON 16VDSL2 MA5628 XPON/GE 4GE/FE+4E1 MA5621 XPON 4GE/FE+4 RS232/RS485 MA5631 XPON 4 Cable End V800R309C00. Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page 128

129 MA5616 Specification Control board, 1pcs CCUB, with 2GE/2GPON Mounting bracket Fan tray FCBA: FAN monitoring board Power board, 1pcs Service board, 4pcs 19 2U PDIA: DC power board PAIA: AC power board PAIB: AC power board with power backup Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page 129

130 MA5616 Highlights: high-density, full-services Internet IMS/SS RNC OLT ADLE 32 ADSL2+ with splitter CS PC POTS ISDN DSL Type C P2P GPON/EPON Type C LAN POTS VDGE 16 VDSL2 (30a) with splitter, over VDSE 24 VDSL2 (17a) POTS VDSH VDTH no splitter, over POTS no splitter, over ISDN CALE 32 ADSL2+ Combo ADSL2+ plus POTS ASRB ASPB DSLD SHLH 32 POTS 64 POTS 8 ISDN 16 SHDSL EIUD P2P 4GE(Combo) + 4FE EIUA 16 FE Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page 130

131 MA5616 Highlights: Combo Card What is Combo? Requirement 1.The proportion of Broadband and VOIP is 1:1 2.How to save space of site 3.How to reduce complexity of cables 32 POTS 32 ADSL 32 SPL Three in one Provide POTS and ADSL2+ Splitter is built-in One board provides 32 ports Without NO COMBO COMBO Three user cables COMBO With COMBO One user cable POTS ADSL MDF ONU (COMBO) MDF One card support Broadband and VOIP services. Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page 131

132 MA5616 Highlights: Power Backup and Remote Power EMS MA5616: AC+ Power Backup Available to monitor accumulator status of recharge or discharge Device NM Main control module AC -48V 220V AC input Accumulator management Accumulator - 48V DC input Available to report battery abnormal status alarm to NM Available to inquire about MA5616 battery status Available to differentiate whether AC or battery is used Remote power ---- Enabling power supply available anywhere Central Office Copper Pair Remote Site End User RFT-V or RFT-C Outdoor Street Cabinet 48VDC AC/DC Rectifier DC back up resources exist Provide the power with Free copper pairs Turning your copper into gold! GPON MDU Underground enclosure Outdoor Unit CPE xdsl Small Business or Home Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page 132

133 MA5620 & MA5626 Specification MA5626 8FE and reverse POE MA FE+24POTS Only MA5620 provide POTS MA5626 4GE+4FE, POE MA FE Type Dimensions Pizza Box WxDxH: 442mm 220mm 43.6mm 250mm 185mm 43mm (8ports) Temperature -40 ~ + 55 Uplink Uplink protection MA FE 2 Port SFP, optional GPON or GE GPON Type C, MSTP Type 24FE + 24POTS/16FE + 16POTS/24FE/16FE/8FE(POE or R-POE) (MA5626 FE only, no POTS) Protocol SIP, H.248 Synchronization Power supply Cooling Protection MA5620 8FE+8POTS 1588V2, Ethernet clock Synchronization AC passive FE 6kV, POTS 4kV Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page 133

134 Typical network topology & Configuration data of MA5620&MA5626 Internet IMS/SS OLT UPE Configuration data WIFI AP Uplink 2 uplink ports, support GPON/EPON/GE modes EPON/GPON Type C GE GE POE MA5620 (AC) MA5626 (AC) 24FE+24POTS 16FE+16POTS 8FE+8POTS 24FE 16FE POE 8FE 8FE (POE) 8FE (reverse POE) POTS LAN LAN Mainly used for FTTB+LAN Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page 134

135 MA5620&MA5626 Highlights High Protection 6kV Lighting Protection -LAN 4kV Lighting Protection -POTS Silent & High Reliability Passive Cooling No need maintenance Passive Cooling No FAN, absolutely silence Removed to replace the fan trouble MA5620 MA5626 4G Ready 2GE or GPON Type C 1588V2 MA5620 TDM POTS SIP, H.248. No need IAD, unified maintenance. Any Scenarios Variety of spec TDM POTS POE and Reverse POE power supply MA5626 PSE Reverse POE Easy deployment. Without outlet & Electric Meter Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page 135

136 MA5612 Specification Uplink modes: 2GPON; 2GE; 1GPON + 1GE; 1GPON + 1RF 2 Slot: 8FE/8E1/16POTS for each slot 3 Downlink modes: 2GE+6FE+16POTS; 2GE+6FE 2GE+6FE+16POTS+RF Type Pizza Box & Plug in Dimensions WxDxH: 442mm 220mm 43.6mm Temperature -40 ~ + 65 Uplink 2 Port SFP, optional GPON or GE Uplink protection GPON Type C, MSTP Fixed Downlink 2GE+6FE+16POTS; or 2GE+6FE;1PPS+TOD Plug in card type 8FE/8E1(2 PRI available)/16pots Protocol SIP, H.248 Synchronization 1588V2, Ethernet clock Synchronization Power supply AC+12V Battery backup; or DC Cooling Intelligent fan speed adjustment Protection FE 6kV, POTS 4kV Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page 136

137 Typical network topology & Configuration data of MA5612 Internet IMS/SS RNC BTS PBX E1 CESOP/ Native TDM Type C Enterprise gateway Type C OLT Division POTS LAN GPON/EPON Uplink FIX Board-type Max capability Configuration data 2 uplink ports, support GPON/EPON/GE modes 2GE+6FE+16POTS 2GE+6FE 2GE+6FE+16POTS+RF 8FE 16POTS 8E1 48POTS 24FE 16E1 Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page 137

138 MA5612 Highlights Lease line & Enterprise Access Native TDM, CESOP, 1588V2, Type C POTS, E1, PRI Silent & High Reliability Intelligent fan speed adjustment Temperature harden to 65 MA5612 PBX NodeB E1 PRI E1 High Protection 6kV Lighting Protection -LAN 4kV Lighting Protection -POTS Enterprise Access PBX Through PRI CESOP/Native TDM Enterprise Division Access Flexible Application & Deployment Flexible plug-in card 12V battery backup AC mains 12V battery backup Easy deployment, Save space Low CAPEX Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page 138

139 MA5628 Specification Environment Monitoring port 4GE/FE AC power port 2GPON/2GE 4E1 Mounting bracket Appearance Pizza Box Dimensions WxDxH: 442mm 185mm 43mm Temperature -25 ~ + 55 Uplink 2GE(SFP), or 2GPON(SFP) Uplink protection GPON Type C, GE LAG Downlink 4GE/FE(e) + 4E1 Synchronization Power supply Cooling Protection Deployment mode 1588V2, Ethernet Synchronization, ACR AC/DC Passive cooling 6kV on GE/FE Outdoor available Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page 139

140 Typical network topology & Configuration data of MA5628 Internet IMS/SS RNC OLT BTS CESOP/ Native TDM GPON/EPON Configuration data Node B Type C Type C MA5628 (AC) Uplink : 2 uplink ports, support GPON/EPON/GE modes GE / E1 service port: 4GE/FE(e) + 4E1 企业网关 Mainly used for FTTO and FTTM Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page 140

141 MA5628 Highlights Silent & High Reliability Passive Cooling No maintenance 4G Ready 2GE or GPON Type C 1588V2 MA5628 High Protection Rating 6kV Lighting Protection -LAN GPON TYPE C GE LAG Any Scenario CESoP or Native TDM(GPON) E1 Independent clock Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page 141

142 Questions How many types of MxU? What are the differences between MA561x series and MA562x series? Can MA5612 provide CATV service? Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page142

143 Contents 1. FTTx Network Introduction 2. FTTx Hardware Description 2.1 Involved Equipment 2.2 OLT 2.3 MxU 2.4 ONT 3. FTTx Solutions Overview Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page143

144 ONT Series Gateway ONT HG8240 4GE 2POTS HG8245 4GE 2POTS 1WIFI(11n) USB HG8247 4GE 2POTS 1RF 1WIFI(11n) USB HG866 4FE 2POTS 1WIFI(11b/g) USB HG866e 4FE 2POTS 1WIFI(11b/g) USB Bridge+VOIP ONT OT550 4FE 2POTS HG850 4FE 2POTS HG850a 4FE 2POTS HG851 4FE 4POTS HG851a 4FE 4POTS HG865 1GE 3FE 2POTS 1RF HG8500 4FE 2POTS HG850e 4FE 2POTS HG850e 4FE 2POTS Bridge ONT HG810 1FE HG810a 1GE HG813 4FE HG860 1FE 1RF HG861 1GE 1RF HG863 4GE HG813e 4FE HG810e 1GE HG813e 4FE HG810e 1GE Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved.

145 ONT Series device type Network interface(nni) User interface (UNI) HG810 Bridge GPON 1FE HG813 Bridge GPON 4FE HG863 Bridge GPON 4GE HG850a Bridge+VOIP GPON 2POTS+4FE HG865 Bridge+VOIP GPON 1GE+3FE+2POTS+1RF HG866 Gateway GPON 2POTS+4FE+2USB+WIFI HG810e Bridge EPON 1GE HG813e Bridge EPON 4FE HG850e Bridge+VOIP EPON 2POTS+4FE HG8240 Bridge+VOIP GPON/EPON 2POTS+4GE HG866e Gateway EPON 2POTS+4FE+USB+WIFI HG8245 Gateway GPON/EPON 2POTS+4GE+USB+WIFI HG8247 Gateway GPON/EPON 2POTS+4GE+USB+CATV+WIFI Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page145

146 ONT-HG850 The HG850 is ONT designed for home users and small office home office (SOHO) users. interface GPON : 2.5Gbps/1.25Gbps 2 -port POTS 4 -port FE protocol MGCP, SIP, MoIP, FoIP QoS 802.1q/802.1p power status POWER AUTH LINK LAN description on: normal;off: abnormal on: registered;off: unregistered on: Operation-state (normal working state); off: abnormal on: The HG850 is connected to the Ethernet; blinking: Data is being transmitted; off: The HG850 is not connected to the Ethernet 100V to 240V AC input 12V DC, 2A output VoIP on: The VoIP function is Enabled. off: The VoIP function is disabled. Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page146

147 ONT-HG8247(new) The HG8247 is an indoor ONT at the access layer of a GPON network, designed for home users and SOHO users. Port /Button CATV OPTICAL LAN1-LAN4 TE1-TE2 USB WLAN Function Indicates an RF port, used to connect to a TV set. The optical connector connected to this OPTICAL port is an SC/APC connector. Indicate auto-sensing 10/100/1000 Base-T Ethernet ports (RJ-45), used to connect to the PC or IP set-top box (STB) Indicate VoIP telephone ports (RJ-11), used to connect to the telephone set. Indicate USB host port, used to connect to USB storage devices. Indicates the WLAN button, used to enable or disable the WLAN function. Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page147

148 Questions How many services HG850 support? Which ONT can support Wi-Fi service? Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page148

149 Contents 1. FTTx Network Introduction 2. FTTx Hardware Description 3. FTTx Solutions Overview Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page149

150 FTTH Solution In an FTTH solution, different types of ONTs provide different service interfaces to users. Typical FTTH network topology PC HDTV PC BTV/VOD TEL PC FE/GE FE/GE FE/RF POTS WI-FI Bridge H810 H813 Multiservice H865 H850a Gateway H866 H8247 splitter OLT MA5600T IP IPTV Internet softswitch FE/RF imanager N2000 POTS Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page150

151 FTTB/FTTC Solution An FTTB solution is applicable to enterprise buildings, or the apartments where mediumand- high density people live in. In an FTTB solution, the OLT is connected by optical fibers to the ONUs installed in building corridors, and the ONUs are connected to all user terminals by twisted pairs, so as to provide voice, data, and video services to the users in the building. switch IP OLT MA5600 splitter FTTB/FTTC network topology FTTB: MA5620/MA5626 MA5652 FTTC: MA5616 Enterprise switch Home gateway ADSL modem PC Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page151

152 FTTO Solution Typical FTTO networking application MA5612/ MA5628 OLT MA5680 Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page153

153 FTTO-Enterprise Access Service Networking application of enterprise Internet access service Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page154

154 FTTO-Enterprise Access Service Private line interconnection application when the enterprise HQ and the branches use different OLTs Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page155

155 FTTO-Enterprise Access Service Private line interconnection when the enterprise HQ and the branches are connected to the same OLT Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page156

156 FTTO-Enterprise Access Service Enterprise PBX access MA5612 Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page157

157 FTTM Solution Full-service carriers hope to carry 2G and 3G voice and mobile data services on a unified ME network. The carriers expect to use abundant PON resources to carry mobile services on an integrated plat form. This type of carriers can adopt the combined solution of MA5680T +MA5612 or the combined solution of MA5680T + MA5628, as shown in figure. Networking application of a PON carrying base station access Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page158

158 FTTM Solution TDM Service-based Base Station Access to the SDH Network Application Through Private Line (Carried by the GPON Line) Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page159

159 FTTM Solution ETH service-based base station private line access application (QinQ private line) Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page160

160 Questions How to provide enterprise VPN service through FTTx solution? Which services can be provided by FTTM solution? Copyright 2009 Huawei Technologies Co., Ltd. All rights reserved. Page161