Filter
Top Products
DEFINITY Communications System
CHAPTER 2: INSTALLATION
7400B Data Module
User’s Guide
Page 2-1
HARDWARE AND
SOFTWARE
REQUIREMENTS
CHAPTER 2: INSTALLATION
This chapter describes the hardware and software required for installing
the data module, and outlines procedures for preparing the data module
for operation.
In addition to the 7400B Data Module and the required separate power
supply, you will need the following items:
●
●
●
●
●
an asynchronous data terminal device or a personal computer
(PC) with data communications software
an EIA-232-D interface (formerly RS-232-C) cable to connect
between the terminal device and the data module
a type D8W telephone cord for Data Communications Protocol
(DCP) connection between the Data Module “LINE” jack and
the PBX wall jack
(optional) an AT&T 7400-series DCP digital voice terminal
(and associated adjunct equipment, if applicable)
(optional) a second type D8W cord to connect between the data
module “PHONE” jack and optional voice terminal (you may
need an adjunct power supply, adapter, and D6AP cord, as
applicable)
Figure 2-1 illustrates the needed hardware items for an arrangement
without a telephone, Figure 2-2 shows the set up for using a telephone
without adjunct equipment, and Figure 2-3 shows a similar setup with
some typical adjunct equipment.