TRYMUS. 1. Overview. V.22bis/V.32bis/V.34/V.90/V.92 Modem Module with ISOmodem TM. and Global DAA. TRYMUS Corporation. Feature.

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1 1. Overview Feature Data Modem Formats - ITU-T a. UM2404SM : 300bps to 2400bps b. UM2415SM : 300 bps to 14.4kbps c. UM2434SM : 300 bps to 33.6kbps d. UM2457SM : 300 bps to 56kbps e. UM2493SM : 300bps to 56kbps - V.42, V.42bis, MNP Bell : Bell 103, Bell 212A - Automatic Rate Negotiation Caller ID Detection and Decode - US Bellcore, UK and Japanese standards DTMF Tone Generation 3.3V Power UART with Flow Control AT Command Set Support Integrated DAA - Capacitive Isolation - Parallel Phone Detection - Globally Compliant Line Interface UM2404/15/34/57/93SM TTL or 3. 3V Serial Interface Ring Detection Call Process Support World Wide Operation All models are Lead(Pb)-Free. Applications Set Top Box Remote Monitoring Terminals Point-of-sale Terminals PVRs Security Systems Functional Block Diagram

2 2. Protocol Characteristics Item Specification Support Data Rate (Downstream) 56 kbps ITU-T V.90 UM2493 / 57SM kbps ITU-T V.90 UM2493 / 57SM kbps ITU-T V.90 UM2493 / 57SM 52 kbps ITU-T V.90 UM2493 / 57SM kbps ITU-T V.90 UM2493 / 57SM kbps ITU-T V.90 UM2493 / 57SM 48 kbps ITU-T V.90 UM2493 / 57SM kbps ITU-T V.90 UM2493 / 57SM kbps ITU-T V.90 UM2493 / 57SM 44 kbps ITU-T V.90 UM2493 / 57SM kbps ITU-T V.90 UM2493 / 57SM kbps ITU-T V.90 UM2493 / 57SM 40 kbps ITU-T V.90 UM2493 / 57SM kbps ITU-T V.90 UM2493 / 57SM kbps ITU-T V.90 UM2493 / 57SM 36 kbps ITU-T V.90 UM2493 / 57SM kbps ITU-T V.90 UM2493 / 57SM kbps ITU-T V.90 UM2493 / 57SM 32 kbps ITU-T V.90 UM2493 / 57SM kbps ITU-T V.90 UM2493 / 57SM kbps ITU-T V.90 UM2493 / 57SM 28 kbps ITU-T V.90 UM2493 / 57SM 33.6 kbps ITU-T V.34 UM2493 / 57 / 34SM 31.2 kbps ITU-T V.34 UM2493 / 57 / 34SM 28.8 kbps ITU-T V.34 UM2493 / 57 / 34SM 26.4 kbps ITU-T V.34 UM2493 / 57 / 34SM 24 kbps ITU-T V.34 UM2493 / 57 / 34SM 21.6 kbps ITU-T V.34 UM2493 / 57 / 34SM 19.2 kbps ITU-T V.34 UM2493 / 57 / 34SM 16.8 kbps ITU-T V.34 UM2493 / 57 / 34SM 14.4 kbps ITU-T V.34 or ITU-T V.32 bis UM2493 / 57 / 34 / 15SM 12 kbps ITU-T V.34 or ITU-T V.32 bis UM2493 / 57 / 34 / 15SM 9600 bps ITU-T V.34 or ITU-T V.32 bis UM2493 / 57 / 34 / 15SM 7200 bps ITU-T V.34 or ITU-T V.32 bis UM2493 / 57 / 34 / 15SM 4800 bps ITU-T V.34 or ITU-T V.32 bis UM2493 / 57 / 34 / 15SM 2400 bps ITU-T V.34 or ITU-T V.22 bis UM2493 / 57 / 34 / 15 / 04SM 1200 bps ITU-T V.22, V.23, or Bell 212A UM2493 / 57 / 34 / 15 / 04SM 300 bps ITU-T V.21 UM2493 / 57 / 34 / 15 / 04SM 300 bps Bell 103 UM2493 / 57 / 34 / 15 / 04SM

3 2. Protocol Characteristics (continued) Ite m S p e cifica tio n Da ta F o rm a t Bit asynchronous S electable 8, 9, 10 or 11 bits per character O p e ra tin g Mo d e S witched network Two-wire full duplex Da ta Mo u la tio n 28 to 56 kbps V.92 / 90 as specified by ITU-T 2.4 to 33.6 kbps V.34 as specified by ITU-T 14.4 kbps 128-level TC M/2400 Baud ±0.01% 12.0 kbps 64-level TC M/2400 Baud ±0.01% 9600 bps 32-level TC M/2400 Baud ±0. 01% 9600 bps 16-level Q AM/2400 Baud ±0. 01% 7200 bps 16-level TC M/2400 Baud ±0. 01% 4800 bps 4-level Q AM/2400 Baud ±0. 01% 2400 bps 16-level Q AM/600 Baud ±0. 01% 1200 bps 4-level P S K /600 Baud ±0.01% 0 to 300 bps F S K Baud ±0.01% An sw e r T o n e ITU-T V.32bis, V.32, V.22bis, V.22 and V.21 m odes 2100Hz ± 3Hz Bell 212A and 103 m odes 2225Hz ± 3Hz O u tp u t L e ve l P erm issive-s witched network -9 dbm m axim um DT E In te rfa ce E IA/TIA-232-E (ITU-T V.24/V.28/IS O 2110) L in e E q u a liz a tio n Autom atic Adaptive C o n n e ctio n O p tio n s Loss of C arrier in ITU-T V.22bis and lower P h o n e T yp e s 500 (rotary dial), 2500 (DTMF dial) Dia lin g P ulse and Tone DT MF O u tp u t L e ve l P er P art 68 P u lse Dia l R a tio Make / Break : 39 / 61 % R in g C a d e n ce O n 2 seconds; O ff 4 seconds C a ll P ro g re ss Mo n ito r BUS Y C O NNE C T (rate) NO ANS W E R NO C AR R IE R NO DIALTO NE O K R ING R ING ING

4 3. Basic Function Test Example START Connect TIP&RING (Pin 1&2) to Tel-line line Connect UART to Host and set UART Hardware Pin Reset (Pin # 24) Input AT Command Setting Values Example 1 : V.90 in South Korea with Korea Caller ID 1. Connect UM2457SM and Power on reset. 2. AT+GCI=61 - DAA PTT setting for South Korea. 3. AT&H1 V.90 with automatic full back (default for UM2457SM). 4. AT+VCID=1 Caller ID On. 5. AT+VCDT=0 Caller ID After ring only Mode. 6. ATDT01410 <CR> UM2457SM may echo : BUSY busy tone detection NO CARRIER no carrier detected CONNECT connect at 56 kbps 7. Next byte after CONNECT is modem data Escape from modem data mode 9.ATH0 Hang-up Data Connection & Transmit / Receive (On- Disconnect hook) (Off- Dialing hook) END

5 4. Pin Description Pin No Name I/O Signal Type Description 1 TIP I/O Telephone Line Telephone Tip Line 2 RING I/O Telephone Line Telephone Ring Line 24 /Reset I 3.3V or TTL Hardware Reset 25 NC Not Connected 26 GND Power Ground 33 /RTS I 3.3V or TTL Request to Send for Flow control (Active Low) 34 RXD O 3.3V or TTL Receive Data 35 TXD I 3.3V or TTL Transmit Data 36 /RI O 3.3V or TTL Ring Indicator (Active Low) 37 NC Not Connected 38 /CTS O 3.3V or TTL Clear to Send for Flow control (Active Low) 39 /DCD O 3.3V or TTL Carrier Detect (Active Low) 40 NC Not Connected 41 GND Power Ground V I Power +3.3V DC power 62 NC Not Connected 63 GND Power Ground 64 AOUT O 3.3V or TTL Analog Output (PWM)

6 4. Mechanical Specification (unit : mm) 1) Top View Header Pin Pitch is 2.00mm Origin Conner is 1.40mm / 1.40mm 2) Pin Position ) Front View Aluminum Capacitor 5.50mm 1.60mm 13.10mm 4.00mm 6.00mm

7 5. Electrical Specifications 1) Recommended Operating Conditions Parameter Min Typ Max Ambient Temperature O C UM2404/15/34/57/93SM-3V Supply Voltage, Digital Unit V 2) DC Characteristics (VDD=3.0 to 3.6, T A =0 to 70 O C) Parameter Min Typ Max High Level Input Voltage V Low Level Input Voltage V High Level Output Voltage V Low Level Output Voltage V Power Supply Current, Digital ma Power Supply Current, Total Power Down Unit ua 3) Switching Characteristics (VDD=3.0 to 3.6, T A =0 to 70 O C) Parameter Min Typ Max Unit Baud Rate Accuracy -1-1 % Start Bit to /RTS - 1/(2*Baud Rate) 0.8 ns /CTS Active to Start Bit ns /RESET to /RESET ms /RESET to 1 AT command ms

8 6. Ordering Information Models Description Power UM2404SM 2400bps Data Modem Module 3.3V UM2415SM 14.4Kbps Data Modem Module 3.3V UM2434SM 33.6Kbps Data Modem Module 3.3V UM2457SM 56Kbps Data Modem Module 3.3V UM2493SM 56Kbps / V.92 Data Modem Module 3.3V * Note : This datasheet match PCB version 2.6 as blow. Sales Contact Information TEL : ~6 FAX : contact@trymus.com #D-1005, Gwangmyeong Techno Park, 1345 Soha-dong, Gwangmyeong-si, Gyeonggi-do, Korea