Multi-Tech Systems MT9234ZBA-USB ユーザーズマニュアル

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Chapter 1 – Description and Specification 
Multi-Tech Systems, Inc. MT9234ZBA-USB User Guide (S000419D) 
5
  
Technical Specifications 
Your MultiModemZBA-USB modem meets the following specifications:  
Trade Name 
MultiModem
® 
ZBA 
Model Number MT9234ZBA-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 
Transmit Level 
 
 
-12dBm )Euro/NAM) – varies by country/region setting 
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 RJ11 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 
year