Chapter
1
–
Introduction
6
Multi
‐
Tech
Systems,
Inc.
MT9234ZBA
‐
Series
User
Guide
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
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 (Euro/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.
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.
Indicators
LEDs for Transmit Data, Receive Data, Carrier Detect, Off Hook, Terminal
Ready, Power.
Speaker
Internal speaker for call progress monitoring.
Operating
Temperature
0°– 50° C (32°–120° F) ambient under closed conditions;
humidity range 20–90% (non-condensing)
Power
Requirements
Global modems:
100–240 VAC, 50/60 Hz universal power supply
Power
9 VDC, 300 mA maximum