NEC NEAX 2400 ICS - User Manual

ND-45383 (E)
ISSUE CD 1.0
STOCK # 200716
DRU System Manual
JANUARY, 1996
NEC America, Inc.
®

NEC NEAX 2400 ICS Specifications

General

Brand	NEC
Model	NEAX 2400 ICS
Category	Telephone
Language	English

Summary

DRU Installation Procedures

Installation Precautions and Safety

DRU Installation Procedure Steps

Details the step-by-step procedure for installing the DRU.

DRU Wall Mounting: Marking and Drilling

Provides instructions for marking and drilling locations for DRU installation.

DRU Floor Installation: Stand Assembly Method

Procedure for installing the DRU on the floor with a stand assembly.

DRU Rack Mounting: 19-inch Rack Installation

Procedure for mounting the DRU into a 19-inch rack.

DRE Card Switch Setting Guide

DLI Card Switch Settings and Mounting

PA-DAIA Card Switch Setting Details

DRU Cable Termination and Cross Connection

Covers cable termination and cross-connection procedures for DRU connectivity.

MDF to DRU Cable Termination and Cross Connection

Details MDF to DRU cable termination and cross-connection.

DRU Installation Test Procedures

DRU Installation Test Sequence

Details the sequence of tests for DRU installation verification.

DRU Start-up Procedure

Procedure for powering up and initializing the DRU.

Checking DRU Lamp Indications and System Messages

Battery Operation Test During Power Failure

DRU Maintenance Procedures

Diagnosing Faults from System Messages

DRU Fault Diagnosis via Loop-Back Tests

Explains how to diagnose faults using loop-back tests.

DLI to DRU Loop-Back Diagnosis

DRU Fault Repair Procedures

Outlines the steps for repairing common DRU faults.

DLI Fault Repair Steps

DRU Fault Repair Steps

DRU Battery Fault Repair Steps