Initial System Checks; If You Are Using A Pc - AT&T 7400B Plus User Manual

DEFINITY Communications System
7400B Plus Data Module
User´s Guide

INITIAL SYSTEM CHECKS

Power-Up Self-Test

IF YOU ARE USING A PC

This section describes procedures for initially checking out your
hardware and any required software. It is assumed at this point
that your hardware and PC communications package have been
properly installed and are ready for use.
Note: PC communications software is required only if you are
using a PC as your terminal device. A dedicated data
terminal does not need PC communications software.
When power is first applied to the 7400B Plus, the unit performs a
self-test to determine that it is in working order. The progression
of the self-test is indicated by the sequential, left-to-right lighting
of the 10 front-panel LEDs.
When the self-test completes, the LEDs labeled POWER/TEST and
TR will remain lit and all other LED lamps will go out.
Note: The operation of the LEDs described here assumes that
the factory-default options are still in effect. Once certain
options have been changed, the operation of the LEDs
may differ from this description.
Your 7400B Plus is now installed and ready for data
communications operation.
PC communications packages provide the capability of
configuring the 7400B Plus automatically. When using a PC
communications package with the 7400B Plus, there are two items
to note:
The PC communications package should be configured to
1
work with a Hayes Smartmodem 2400 or Hayes compatible
modem.
The dialing method of the PC communications package
2
should be set to Tone for data calls, and Pulse for voice calls.
Many PC communications packages provide the possibility of
writing script or command files. These files can then be run to
execute a sequence of commands that will configure your system,
or even provide an automatic log on procedure for a particular
remote end device. Review the documentation for your PC and
PC communications package. Once you understand the PC
communications package well enough, you will be ready to begin
using it with the 7400B Plus.
CHAPTER 2: INSTALLATION
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