Multitech MT9234ZBA-USB manual Package Contents, AT Commands Info, Technical Specifications

Chapter 1 –Product Overview and Specifications

Package Contents

The MultiModem USB package contains:

●A MultiModem data/fax modem

●A set of four self‐adhesive plastic feet

●One USB cable

●One modular telephone cable

AT Commands Info

The AT commands are published in a separate Reference Guide. Download this guide from the Multi‐Tech website.

Technical Specifications

Your MultiModem ZBA‐USB modem has the following specifications:

Trade Name	MultiModem® ZBA
Model Number	MT9234ZBA‐USB
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 throughput), 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 ‐40°– 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

6 Multi‐Tech Systems, Inc. MT9234ZBA‐USB User Guide