Technical specifications – Multi-Tech Systems MTA128ST-USB User Manual

Page 9

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9

Chapter 1 - Introduction and Description

MTA128ST-USB

Technical Specifications

Your MTA128ST-USB terminal adapter meets the following specifications:

Trade Name

MultiModemISDN

Model Number

MTA128ST-USB (International)

Network Interface

Four-wire S/T interface

Switch Compatibility

EuroISDN (ETSI/DSS1/NET3), VN4, INS64, U.S. NI-1,
AT&T 5ESS, DMS-100

B-Channel Protocols

V.110, V.120, X.75, ML-PPP

Voice Coding

PCM: A-Law (Europe); µ-Law (US)

LED Indicators

10 front panel LED indicators: Transmit Data, Receive Data,
Call Status, B1 Active, B2 Active, Terminal Ready, Off Hook
(AUX port), 128 Kbps, P1 Active (data protocol), P2 Active
(data protocol)

Data Rates

300, 1.2K, 2.4K, 4.8K, 9.6K, 19.2K, 38.4K, 56K, 57.6K, 64K,
115.2K, 230.4K, and 460.8K bps

Data Connections

Two ISDN B-channels
One ISDN D-channel
One analog port for connecting a standard telephone,
modem, or fax machine

Command Interface

AT commands, S-registers, result codes, Windows 98/95
configuration utility, and Windows 98/95 Dial-Up Networking
(DUN)

Connectors

USB: Type B connector
ISDN: RJ-45 female receptacle, 4-wire S/T (accepts
connection cable to the network provider’s NT1 device)
AUX: RJ-11 female receptacle

Switches

Two-position power switch

Power Requirements

Two-prong outlet-mounted transformer (included), 240 VAC
50/60 Hz

Dimensions

15.0 cm × 10.7 cm × 2.8 cm (L × W × D)

Environmental

Temperature range 0°–50° C;
Humidity range 20–90% (noncondensing)

Power Consumption

4 watts

Weight

224 g (8 oz)

Warranty

5 years

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