AT&T 7400B Plus User Manual page 12

CHAPTER 1: INTRODUCTION
Page 1-6
Rear Panel
Connector
PHONE
LINE
POWER
PORT 1
The rear panel of the 7400B Plus is shown in Figure 1-2, and the
connectors located on the rear panel are described in Table 1-2.
Rear Panel Connector Descriptions
Description
This connector accepts one end of the D8W telephone line cord used to
connect a telephone or voice terminal to the 7400B Plus.
This connector accepts one end of the D8W telephone cord that connects
between the 7400B Plus and the PBX wall jack.
This connector accepts the output cable of the separate power supply
unit used with the 7400B Plus.
This connector accepts a male plug from the EIA-232-D (or RS-232-C)
cable that connects between the 7400B Plus and the terminal device.
DEFINITY Communications System
Artwork to be supplied
TABLE 1-2
7400B Plus Data Module
User´s Guide
Figure 2 Rear Panel