Administrator's Guide

Managing data calls

555-233-506506 Issue 5 October 2002

7400C High Speed Link

The 7400C high-speed link (HSL) is a data-service unit that allows access to DCP

data services. It provides synchronous data transmission at speeds of 56- and

64-Kbps and provides a link to high-speed data networks. Used for Group 4 fax

applications that include electronic mail and messaging, and electronic storage of

printed documents and graphics. Use the 7400C for video teleconferencing and

LAN interconnect applications.

7500 Data Modules

The 7500 Data Module connects DTE or DCE to the ISDN network. The 7500

Data Module supports EIA 232C and V.35 interfaces and RS-366

automatic-calling unit interface (for the EIA 232C interface only).

The 7500 has no voice functions. Configure in the following ways:

■ Asynchronous DCE

300, 1200, 2400, 4800, 9600, 19200-bps

■ Synchronous DCE

1200, 2400, 4800, 9600, 19200, 56000, 64000-bps

■ Asynchronous DTE (used for modem pooling)

up to 19200-bps

The 7500 Data Module is stand-alone or in a multiple-mount housing.

Asynchronous Data Module

NOTE:

The alias station command cannot be used to alias data modules.

Use the Asynchronous Data Module (ADM) with asynchronous DTEs as a data

stand for the 7500 and 8500 Series of ISDN-BRI phones, thus providing

connection to the ISDN network. The ADM provides integrated voice and data on

the same phone and supports data rates of 300, 1200, 2400, 4800, 9600, and

19200-bps. This module also supports the Hayes command set, providing

compatibility with PC communications packages.