Physical Description - AT&T 7400B Plus User Manual

CHAPTER 1: INTRODUCTION
Page 1-4

PHYSICAL DESCRIPTION

Front Panel
The external features of the front and rear panels of the 7400B Plus
and the separate power supply unit are described in this section.
The 7400B Plus has a removable access panel on top of the unit,
which is described further in the hardware installation section of
Chapter 2, "Installation."
The front panel of the 7400B Plus is shown in Figure 1-1, and the
10 LEDs on the front panel are described in Table 1-1. In addition
to indicating the status of the set during normal operation, the
LEDs also indicate the result of the self-tests when initially
powered.
Artwork to be supplied
DEFINITY Communications System
7400B Plus Data Module
User´s Guide
Figure 1 Front Panel