NEC NDA-24300 manual Summary of This Manual’s Contents, Basic Knowledge

SYSTEM MAINTENANCE OUTLINE

1.3Summary of This Manual’s Contents

Table 2-1provides a brief description of the contents for each chapter in this manual.

	Table 2-1 Summary of This Manual’s Contents
CHAPTER	DESCRIPTION
2	See Section 2, Basic Knowledge.
	Explains basic knowledge of fault detection and indication, functions and fault range of the system,
	etc.
	See Section 3, How to Read Precautions, Diagnostic, and Fault Repair Information.
	Explains the methods of procedure performance and various symbols used in the description.
	See Section 4, Reporting Fault to NEC.
	Explains the method of forwarding faulty circuit cards, the method of creating a history record for fu-
	ture fault repair, and the method of reporting faults to NEC.
3	Explains how to read and analyze system messages.
4	Explains the method of replacing a unit/circuit card due to a fault.
5	Explains repair procedures corresponding to the faults of processors or equipment.
6	Explains how to control the system in service management functions and precautions required in the
	system control process.
7	Explains routine maintenance.
8	Explains the commands used in the system administrative management procedure.

2.BASIC KNOWLEDGE

This section identifies the information necessary for the system operations and maintenance procedures.

2.1System Configuration

2.2Line Equipment Numbers (LENS)

2.3Local Partition (LP) Number

2.4System Messages

2.5Fault Detecting Function

2.6Range of Faults Specification

2.7Explanation of Terms

CHAPTER 2 NDA-24300

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