Introduction. Overview

Transcription

1 The Cisco ubr Advanced RF Switch (Cisco UBR-RFSW-ADV) provides N+ line card redundancy switching for the Cisco ubr00 universal broadband router also known as the Cisco CMTS. The Cisco UBR-RFSW-ADV is a rack-mount unit controlled by the Cisco ubr00 router. Overview, page Cisco UBR-RFSW-ADV Hardware Components Description, page 5 Interface Overview, page 6 Overview The Cisco UBR-RFSW-ADV is located between the Cisco ubr00 router and the cable plant. All the RF downstream (output) and RF upstream (input) ports of the Cisco ubr00 router are connected to one side of the Cisco UBR-RFSW-ADV, while the cable plant is connected to the other side. The Cisco ubr00 router supports up to eight cable interface (RF) line cards. Each line card supports a single downstream Universal Cable Holder (UCH) connector (five RF ports per connector) and two upstream UCH connectors (ten RF ports per connector). When supporting N+ redundancy, the Cisco ubr00 router allocates one of the eight line cards as a protect line card. There are 4 cards on the rear of the Cisco UBR-RFSW-ADV. Each card supports one UCH connector. These cards are arranged in eight groups of three cards each. In the middle is the protect card group, which consists of one downstream protect and two upstream protect cards (see Figure : Cisco UBR-RFSW-ADV Rear View (CMTS Side), on page ). This protect card group connects to the Cisco ubr00 router protect line card. To either side of the protect cards are groups of switch cards one downstream switch card and two upstream switch cards per group. These groups of switch cards connect to the remaining line cards on the Cisco ubr00 router. On the front of the Cisco UBR-RFSW-ADV are interconnect cards. These cards are arranged in seven groups of three cards each. Each group contains one downstream interconnect card and two upstream interconnect cards. These interconnect cards connect to the cable plant. When the Cisco ubr00 router and Cisco UBR-RFSW-ADV are not in protect mode, each interconnect card group is switched to a corresponding line card on the Cisco ubr00 router. However, when the Cisco ubr00 and Cisco UBR-RFSW-ADV are in protect mode, the interconnect card group associated with the failed cable interface line card is switched to the protect line card group instead. OL-404-0

2 Overview The Cisco ubr00 router manages all protect switching control plane events and system upgrades. Cisco IOS Release.()SCG and later releases for Cisco ubr00 router are required for operation with the Cisco UBR-RFSW-ADV. When the Cisco ubr00 router determines that a cable interface line card failure has occurred, it enters into protect mode and additionally commands the Cisco UBR-RFSW-ADV to enter protect mode. The Cisco UBR-RFSW-ADV supports the following line cards on the Cisco ubr00 router: Cisco UBR-MC0X0V Cisco ubr-mcgx60v The Cisco UBR-RFSW-ADV enhances overall system usability by providing easy cabling using the same quick-connect UCH system used on all Cisco ubr00 router cable interface line cards. The Cisco UBR-RFSW-ADV provides the following enhancements over the earlier Cisco ubr x0 RF Switch units: One Cisco UBR-RFSW-ADV replaces two ubr x0 RF Switch units. UCH type connectors allow easy cabling and improved RF and electromagnetic interference (EMI) performance. Image upgrade is improved. RF path performance is improved with significantly less insertion loss. 54 to 00 MHz downstream frequency range. 5 to 85 MHz upstream frequency range. Fully-redundant control ports. The figures below show the front view (cable plant side) and the rear view (CMTS side) of the Cisco UBR-RFSW-ADV. Figure : Cisco UBR-RFSW-ADV Front View (Cable Plant Side) Downstream interconnect card Controller card Upstream interconnect card 4 Power supply module OL-404-0

3 Overview Figure : Cisco UBR-RFSW-ADV Rear View (CMTS Side) Upstream Switch Card Downstream Switch Card Upstream and Downstream Protect Cards The figure below shows the front view (cable plant side) of the upstream-only version of the Cisco UBR-RFSW-ADV. Figure : Upstream-Only Version of Cisco UBR-RFSW-ADV Front View (Cable Plant Side) Upstream interconnect card Power supply module Controller card OL-404-0

4 Overview The figure below shows the rear view (CMTS side) of the upstream-only version of the Cisco UBR-RFSW-ADV. Figure 4: Upstream-Only Version of Cisco UBR-RFSW-ADV Rear View (CMTS Side) Upstream switch card Upstream protect cards The table below lists the Cisco UBR-RFSW-ADV chassis dimensions. Table : Cisco UBR-RFSW-ADV Chassis Dimensions Unit Chassis Depth Chassis Width Chassis Height Dimension 7.70 in (44.96 cm) measured from front connector panel face to rear connector panel face 9.46 in (49.4 cm) measured from front connector handle to rear connector handle 7.8 in (4.89 cm) rack units Two types of rack-mounting are supported for the Cisco UBR-RFSW-ADV: Mounting a Single Cisco UBR-RFSW-ADV Above a Cisco ubr00 Universal Broadband Router Mounting Two Cisco ubr00 Universal Broadband Routers and Two Cisco UBR-RFSW-ADVs in a Single Rack Note For more details on rack-mounting, see Rack-Mounting the Cisco UBR-RFSW-ADV with the Cisco ubr00 Router. For more information about the Cisco UBR-RFSW-ADV product identifiers (PIDs), see Power Requirements. 4 OL-404-0

5 Cisco UBR-RFSW-ADV Hardware Components Description Cisco UBR-RFSW-ADV Hardware Components Description Upstream Switch Cards The Cisco UBR-RFSW-ADV consists of the following hardware components: Figure 5: Upstream Switch Card Faceplate Captive screws Two sets of five upstream ports LEDs On the Cisco ubr00 router side of the Cisco UBR-RFSW-ADV, there are 4 upstream switch cards. Two upstream switches are used for each line card on the Cisco ubr00 router (CMTS side). For information about the PIDs for the upstream switch card and upstream protect card, see Cisco UBR-RFSW-ADV Components Part Numbers and Product Identifiers. OL

6 Upstream Interconnect Cards Upstream Interconnect Cards Figure 6: Upstream Interconnect Card Faceplate Captive screws Two sets of five upstream ports On the cable plant side of the Cisco UBR-RFSW-ADV there are 4 upstream interconnect cards. For information about the PIDs for the upstream interconnect card, see Cisco UBR-RFSW-ADV Components Part Numbers and Product Identifiers. 6 OL-404-0

7 Upstream Protect Cards Upstream Protect Cards Figure 7: Upstream Protect Card Faceplate Captive screws Two sets of five upstream ports LEDs On the Cisco CMTS side of the Cisco UBR-RFSW-ADV there are two upstream protect cards. For information about the PIDs for the upstream protect card, see Cisco UBR-RFSW-ADV Components Part Numbers and Product Identifiers. OL

8 Downstream Switch Cards Downstream Switch Cards Figure 8: Downstream Switch Card Faceplate Captive screws Five downstream ports LEDs On the Cisco CMTS side of the Cisco UBR-RFSW-ADV, there are seven downstream switch cards. For information about the PIDs for the downstream switch card, see Cisco UBR-RFSW-ADV Components Part Numbers and Product Identifiers. 8 OL-404-0

9 Downstream Interconnect Cards Downstream Interconnect Cards Figure 9: Downstream Interconnect Card Faceplate Captive screws Five downstream ports On the cable plant side of the Cisco UBR-RFSW-ADV, there are seven downstream interconnect cards. For information about the PIDs for the downstream interconnect card, see Cisco UBR-RFSW-ADV Components Part Numbers and Product Identifiers. OL

10 Downstream Protect Cards Downstream Protect Cards Figure 0: Downstream Protect Card Faceplate Captive screws Five downstream ports LEDs On the Cisco CMTS side of the Cisco UBR-RFSW-ADV there is only one downstream protect card. For information about the PIDs for the downstream protect card, see Cisco UBR-RFSW-ADV Components Part Numbers and Product Identifiers. 0 OL-404-0

11 Power Supply Module Power Supply Module Figure : Power Supply Module on the Cisco UBR-RFSW-ADV Captive screws 5 AC input plug DC input connector 6 Retainer loop for holding AC power cord Power LED 7 AC input LED 4 Power switch (On/Off) 8 DC input LED The power supply module (PSM) allows either an AC, or DC connection, or both. If both AC and DC are connected, operation is not affected if either power supply fails. The panel mount power switch (on/off) disables the output of the PSM. The AC and DC converter stages, if powered, will remain active. For information on power supply LEDs, see Power Supply LED Behavior OL-404-0

12 Power Supply Module Caution When installing or removing the power supply module, ensure that the Cisco UBR-RFSW-ADV is powered off and that you have disconnected all power cables. Caution When inserting or removing the power supply from the Cisco UBR-RFSW-ADV chassis, you must use a screwdriver to tighten and loosen the captive installation screws. The table below lists the power requirements for the Cisco UBR-RFSW-ADV. Table : Cisco UBR-RFSW-ADV Power Requirements Parameter Power Input DC Power Input AC Power Input AC and DC Power Consumption AC Input Plug DC Input Connection Requirement Worldwide ranging DC (-40.5 to -7 V: -48 V nominal) Nominal W; maximum W Worldwide ranging AC (00 to 40 VAC, 50 to 60 Hz) Nominal 47W; maximum 05 W Nominal 70W; maximum 8 W Maximum (DC): 0 W Maximum (AC): 0 W IEC0 connector DC input connection uses a terminal block DMKDS.5, - position connector. Recommended conductor cross-section: 4 AWG Maximum conductor cross-section: AWG For information about the PIDs for the PSM, see Cisco UBR-RFSW-ADV Components Part Numbers and Product Identifiers. OL-404-0

13 Controller Card Controller Card Figure : Controller Card Faceplate Captive screws RJ-45 ports LEDs 4 Power LED The controller card in the Cisco UBR-RFSW-ADV has two RS- COM ports COM 0 and COM. COM 0 must be connected to the AUX port of the primary Performance Routing Engine (PRE) on the Cisco ubr00 router using an RJ-45 to RJ-45 rollover cable. COM may be connected to the AUX port of the secondary PRE, for redundancy purposes. The table below describes the LEDs on the controller card. OL-404-0

14 Controller Card LED Power/System Failover (FO) COM 0/COM Color/State Off Green (blinking) Green Amber Off Blue Off Green State Description Card is not powered on. Card is either powering on and is in the process of configuring the system, or the Cisco UBR-RFSW-ADV is in the process of downloading and reconfiguring the system. Normal operation. Alarm condition. System in pass-through mode. System has completed a line card failover and is still in the failover configuration. Communication link to the Cisco ubr00 router is not established. Communication link with the Cisco ubr00 router is established. The controller card provides the following high-level status information to the PRE: General health of the Cisco UBR-RFSW-ADV Version information Command history Command status (success or failure) Operational status (active or standby status of the relays) Status of switchover or revertback request sent by the PRE For information about the controller PIDs, see Cisco UBR-RFSW-ADV Components Part Numbers and Product Identifiers. 4 OL-404-0

15 Rack-Mount Kit Rack-Mount Kit Figure : Rack-Mount Kit Front-mount (cable plant side) bracket Rear-mounting (CMTS side) slide Rear-mounting (CMTS side) slide bracket For information about the PIDs for the rack-mount kit, see Cisco UBR-RFSW-ADV Components Part Numbers and Product Identifiers. Cable-Management Bracket A new cable-management bracket used for securing the cable bundles for easy management and maintenance is introduced with the Cisco UBR-RFSW-ADV. This cable-management bracket mounts directly to the rack rails above a Cisco UBR-RFSW-ADV. It uses an additional one rack-unit (RU) of rack space when used without the cable locking bar and two RUs when the cable locking bar is used. OL

16 Interface Overview The figure below shows the Cisco UBR-RFSW-ADV cable-management bracket. Figure 4: Cisco UBR-RFSW-ADV Cable-Management Bracket Captive sheetmetal slot into which the tab of the locking bar is inserted Cable locking bar Captive screw on the cable-management locking bar 4 Cable guides For information about the cable-management bracket PID, see Cisco UBR-RFSW-ADV Components Part Numbers and Product Identifiers. Interface Overview PRE AUX Port Interface This section describes the PRE AUX port interface on the Cisco CMTS router and its impact on the Cisco UBR-RFSW-ADV. The PRE AUX port is an RS- serial port with an RJ-45 style connector provided on all PRE cards shipped with the Cisco ubr00 router. It is available on the primary PRE as well as the secondary PRE. It is located next to the console port on the PRE. If the AUX port is not used to control the Cisco UBR-RFSW-ADV, it may be used as an alternate console connection to the PRE. 6 OL-404-0

17 PRE AUX Port Interface The AUX port is used to interface with the Cisco UBR-RFSW-ADV. All commands are executed from the PRE using this AUX serial interface. A command-control model is used where the PRE serves as a master and the Cisco UBR-RFSW-ADV as the slave. All Cisco UBR-RFSW-ADV-related control operations and status collection operations are initiated by the PRE. The PRE sends commands to the Cisco UBR-RFSW-ADV over the RS- cable, using a proprietary protocol. The Cisco UBR-RFSW-ADV then responds with status information. OL

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