Lucent Technologies AT&T 7400B - Manual (Page 10)

CHAPTER 1: INTRODUCTION DEFINITY Communications System
7400B Data Module
Page 1-4 User's Guide
Rear Panel The rear panel of the 7400B Data Module is shown in Figure 1-2, and
the connectors located on the rear panel are described in Table 1-2.
Figure 1-2. Rear Panel
Connector Description
PHONE This connector accepts one end of the D8W telephone line cord used to connect
a telephone or voice terminal to the data module.
LINE This connector accepts one end of the D8W telephone cord that connects
between the data module and the PBX wall jack.
POWER This connector accepts the output cable of the separate power supply unit used
with the 7400B Data Module.
PORT 1 This connector accepts a male plug from the EIA-232-D (or RS-232-C) cable
that connects between the data module and the terminal device.
PORT 2 Not used by the 7400B Data Module.
TABLE 1-2 Rear Panel Connector Descriptions