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Modem installation, Plus, Overview – Paradyne 3825PLUS User Manual

Page 19: 3825 plus modem package, Chapter 2, Provides instructions for installing the, Modem, selecting factory configuration options, Modem package

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3825-A2-GB30-41 February 2002

3825

Plus

Modem Installation

Overview

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3825Plus Modem Package

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Customer-Supplied Equipment

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3825Plus Installation

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DTE Connection

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Dial-Line Connection

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2-Wire Leased-Line Connection

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Telephone Connection

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AC Power Transformer Connection

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Communications Software Installation

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Modem Power-Up

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Selecting Factory Configuration Options

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Recovering AT Commands

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Initialization Strings

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V.25bis Applications

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Synchronous Leased-Line Applications

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AT&T Exclusive Dialing for DATAKIT Applications

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Overview

This chapter describes how to connect both provided

and customer-supplied cables to the modem. In addition,
it describes how to recover AT commands when the
modem is in Dumb mode and how to enter initialization
strings for unique applications.

3825

Plus

Modem Package

After opening the modem’s package, check for damage

and verify that the following items are present:

Quick Reference

3825Plus modem

Power transformer

One 6-position, 4-wire modular cord (in selected models)

If any hardware components are damaged, notify your

sales representative. Return equipment using the
procedures described in the

Government Requirements

and Equipment Return

section in the front of this book.

Customer- Supplied Equipment

The following customer-supplied equipment is

required to complete a data communications system using
a 3825Plus modem:

A DTE (a computer or a terminal) with an available
RS-232-E serial port.

A shielded RS-232-E cable with a male DB-25
connector at one end to attach to the modem.

One of the following modular dial or leased
network interfaces:

— RJ11C or RJ14C for dial applications

— JM8 for 2-wire leased network interface

For leased-line applications, a JM8 to RJ11
crossover cable (see

Appendix D

).

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