5 internal modem, 6 internal dsu, 7 isdn terminal adapter – Multi-Tech Systems DataTalker DT101/xx User Manual

Page 17: 8 voice/fax channel, Internal modem, Internal dsu, Isdn terminal adapter, Voice/fax channel

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17

Chapter 1 - Introduction and Description

1.7.5

Internal Modem

Modulation

ITU-T V.34; AT&T V.32 terbo; ITU-T V.32bis, V.32, V.22bis, V.22; Bell

212A and 103 (North America) or V.23 and V.21 (international)

Speeds

300 bps to 33.6K bps

Commands

Fully AT command compatible

Usage

Synchronous full duplex over unconditioned 2-wire or 4-wire leased
line; asynchronous half or full duplex over 2-wire dial-up

Line Interface

RJ-11C jack for dial-up and 2-wire or 4-wire leased line; in Canada,
one CA02B connector

1.7.6

Internal DSU

Speed

56K, 19.2K, 9.6K, 4.8K, or 2.4K bps

Format

Synchronous DDS or compatible

Usage

Full duplex over LADS (Local Area Data Set) or two-pair non-loaded
metallic wire

Line Interface

DDS interface with an RJ-48 keyed jack

1.7.7

ISDN Terminal Adapter

Description

Integral ISDN terminal adapter card

Operating Mode

ISDN Basic Rate; 1B+D or 2B+D

Synchronous Data Rates

2.4–128 Kbps

Clocking

Normal network clock (slaved to network receive clock); private

network master (internal); external clock of DTE data

Commands

Menu system

D-Channel Switch

AT&T 5ESS

®

, 5E6; NT DMS-100™, BCS-32;

Compatibility

Siemens Stromberg-Carlson EWSD

®

, National ISDN-1;NEC

International Switch

Line Interface

2-wire ISDN Basic Rate 2B1Q U-interface; ANSI T1.601-1992
compliant; RJ-48 jack

B-Channel Aggregation

BONDING Protocol, Mode 1

1.7.8

Voice/Fax Channel

Number of Channels

One or two channels

Voice Digitization Rates

9600 and 16K bps

Automatic Fax

Group 3 fax rates

Modulation/Demodulation

(2400, 4800, 7200 and 9600 bps)

Analog Interfaces

FXS, FXO, and E&M (channel 1 only)

Signaling

DTMF

Line Interface

FXS and FXO: RJ-11 jacks
E&M: RJ-48 jack

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