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Chapter 1 – Introduction
6 Multi-Tech Systems, Inc. MT9234ZBA-Series User Guide (S000387A)
Technical Specifications
The MT9234ZBA-Series modem meets the following specifications:
Trade Name MultiModem
®
ZBA
Model Number MT9234ZBA
Build Number MT9234ZBA, MT9234ZBA-V
Server-to-Client 56K speeds when accessing a V.90 or V.92 server (actual
Data Rates speed depends on server capabilities and line conditions)
Client-to-Server Up to 48Kbps when accessing a V.92 server (actual speed
Data Rates depends on server capabilities and line conditions); otherwise the same as
client-to-client data rates (see next listing).
Client-to-Client 33600, 31200, 28800, 26400, 24000, 21600, 19200, 16800 bps,
Data Rates 14400, 12000, 9600, 7200, 4800, 2400, 1200, 0-300 bps
Fax Data Rates 33600, 31200, 28800, 26400, 24000, 21600, 19200, 16800
Voice Compatibility TIA/EIA IS-101 (Voice Option only)
Data Format Serial, binary, asynchronous
Modem Compatibility ITU-T V.92, V.90, V.34 enhanced, V.34, V.32bis, V.32, V.22bis, V.22; Bell 212A
and 103/113; ITU-T V.21 & V.23; 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; and TIA/EIA Class 1, 2; TR29.2
Video Compatibility ITU-T V.80 for H.324 video conferencing
Error Correction ITU-T V.42
Data Compression ITU-T V.44 (6:1 throughput)
Speed Conversion Serial port data rates adjustable to 300, 1200, 2400, 4800, 9600, 19,200,
38,400, 57,600, 115,200, and 230,400 bps
Mode of Operation Fax online modes; full duplex over dial-up lines
Flow Control XON/XOFF (software), RTS/CTS (hardware)
Intelligent Features Plug and play; fully AT command compatible; dialing options, autoanswer;
adaptive answer; 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; remote configuration;
DTR dialing; callback security; A-law support in 56K modes; 11-bit support; real-
time fax compression conversion; U.S. Caller ID reporting; quick-connect startup
(V.92).
Command Buffer 40 characters
Transmit Level -12 dBm (Eruo/NAM) – varies by country/region setting
Frequency Stability ±0.01%
Receiver Sensitivity -43 dBm under worst-case conditions
AGC Dynamic Range 43 dB
Interface TIA/EIA RS-232C/ITU-T V.24/V.28
Connectors DB25F RS-232C connector; 2 RJ-11 telephone jacks; power jack
Cables Country-specific telephone; power cables; serial cable