User's Guide
Table Of Contents
- Table of Contents
- About This Document
- 1. Introduction
- 2. Installation
- 3. Configuration and Operation
- 4. Troubleshooting
- A. AT Command Set
- B. Dial Modifiers
- C. S-Registers
- D. Isolating Problems Using Loopback Data Tests
- E. Quick-Reference Summaries
- Glossary
- Index
8400B Plus Data Module User’s Guide
555-020-709
Issue 2
November 1996
Introduction
1-7
Physical Description
Power Supply Unit
A Lucent Technologies power supply unit is shipped with each 8400B Plus Data
Module. This unit connects to a grounded AC outlet, and provides a connection
between the PBX wall jack and the 8400B Plus Data Module. The power supply
unit provides the necessary operating voltages for the 8400B Plus Data Module.
!
CAUTION:
Use the 8400B Plus Data Module only with an approved communication
circuit power source.
!
CAUTION:
Make certain that the AC outlet to which you connect the power supply is
unswitched (for example, not controlled by a wall switch or light dimmer).
Instructions for installing the power supply unit are provided in ‘‘Hardware
Installation’’ on page 2-8.
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