
Appendix B – Technical Specifications
23
MultiModemUSB User Guide
Appendix B - Technical Specifications
Your MultiModemZBA-USB fax modem meets the following specifications:
Trade Name MultiModem
®
USB
Model Number MT5634ZBA-USB
Server-to-Client Data Rates V.90 speeds when accessing a V.90 or V.92 server (actual speed
depends on server capabilities and line conditions)
Client-to-Server Data Rates Up to 50Kbps when accessing a V.92 server (actual speed depends on
server capabilities and line conditions); otherwise, the same as client-
to client data lines.
Client-to-Client Data Rates 33600, 31200, 28800, 26400, 24000, 21600, 19200, 16800, 14400,
12000, 9600, 7200, 4800, 2400, 1200, 0-300 bps
Fax Data Rates 33600, 31200, 28800, 26400, 24000, 21600, 19200, 16800, 14400,
12000, 9600, 7200, 4800, 2400, 1200, 0-300 bps
Data Format Serial, binary, asynchronous
Modem Compatibility ITU-T V.92, V.90, V.34 enhanced, V.34, V.34bis, V.32, V.32bis, V.22;
Bell 212A and 103; ITU-T V.21, V.42, V.42bis, V.44
Fax Compatibility ITU-T “Super” Group 3, Class 1.0, 2.0, 2.1, T.4, T.30, V.21, V.27ter,
V.29, V.34, V.17; TIA/EIA 578 Class 1, 2, TR29.2
Error Correction ITU-T V.42
Data Compression ITU-T V.44 (4:1 throughput), V.42bis (4:1 throughtput), MNP 5 (2:1
throughput)
Flow Control XON/XOFF (software), RTS/CTS (hardware)
Intelligent Features Plug and play; fully AT command compatible; autodial, redial, repeat
dial; pulse or tone dial; dial pauses; auto answer; caller ID; EIA
extended automode; adaptive line probing; automatic symbol and
carrier frequency during start-up, retrain, and rate renegotiation; DTMF
detection; call status display, auto-parity and data rate selections;
keyboard-controlled modem options; non-volatile memory; on-screen
displays for modem option parameters; command lines of up to 40
characters each; remote configuration
Command Buffer 40 characters
Lightning Protection FCC Part 68 A/B surge
Frequency Stability ±0.01%
Receiver Sensitivity -43 dBm under worst-case conditions
AGC Dynamic Range 43 dB
Connectors USB connector; two RJ-11 phone jacks
Cables One RJ-11 phone cable
One USB cable
Note: Any cables connected to the computer should be shielded to
reduce interference.
Diagnostics Power-on self test, local analog loop, local digital loop, remote digital
loop.
Environmental Temperature range 0°–50°C (32°–120°F); humidity range 20–90%
(non-condensing)
Dimensions 10.9 cm wide x 14.5 cm long x 2.5 cm high (4.3" x 5.7" x 1.10")
Weight 227 g (8 oz)
Limited Warranty 2 years
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