User guide

Multi-Tech Systems, Inc. MT9234ZBA-Series User Guide 6
The MultiModem® ZBA business modem supports remote configuration for centralized setup and control, as
well as callback security making it the modem of choice for business applications. The V.92/56K models support
out of band management, as well as increased upload speeds for quicker connect times, and V.34/33.6K fax and
Error Correction Mode. In addition, the globally approved MultiModem ZBA business modems are approved for
use in many countries around the world. This means one model can ship virtually anywhere.
AT Commands Information
The AT Commands, S-Registers, and Result Codes for the MT9234ZBA-Series Modems are published in a
separate Reference Guide. You can download the guide from www.multitech.com.
Technical Specifications
The MT9234ZBA-Series modem meets the following specifications:
Trade Name
MultiModem
®
ZBA
Model Number
MT9234ZBA or MT9234ZBAV
Server-to-Client
56K speeds when accessing a V.90 or V.92 server
Client-to-Server
Up to 48Kbps when accessing a V.92 server
Client-to-Client
Data Rates
33600, 31200, 28800, 26400, 24000, 21600, 19200, 16800 bps, 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 and 2400
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