Table Of Contents - Northern Telecom DNC-50 Maintenance And Troubleshooting Manual

Table of contents

1. Introduction
Revision History
Document Release Information
An Overview of the Maintenance Tasks
How to Use this Guide
Getting Ready
2. Routine Maintenance
Servicing the Air Intake Filter
Cleaning the Tape Heads of the Cartridge Tape Units
3. Troubleshooting and Fault Clearing Procedures
Fault-Clearing Summary: Symptoms and Solutions 12
Rebooting the System
Using Software Reboot
Using the Reset Switch
Powering Down and Powering Up
Accessing the Maintenance Service in SAS 30
4. Replacing Cabinet Subassemblies
Removing a Fan Assembly
Installing the Fan Assembly
Replacing the Filter Door
1
2
3
4
5
14
14
15
16
33
36
37
2
7
Practice 450-1011-501
iii
1
5
11
33