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NDA-24300 CHAPTER 2
Page 3
Issue 1
CHAPTER 2 SYSTEM MAINTENANCE OUTLINE
1. GENERAL
1.1 Purpose
This chapter explains the outline of fault diagnosis and duties necessary to maintain the PBX.
1.2 Administrative Management Procedures
Figure 2-1 shows the work flow of the administrative management procedures.
Figure 2-1 Flow of Administrative Management Procedures
Administrative
Management Procedures
Expansion and Change of
Station Users
Management Procedures
Diagnosis result, system message displays abnormality
(Abnormal
Congestion)
Line fault
Circuit card fault
Terminal
(Tel., etc.) fault
Fault cause not
able to be localized
Administrative Procedures
(B)
(A)
(A)
(B)
Actions on Claims from
Station Users and/or Operators
Office Data Management and Office
Data Protection
Traffic Management
Station Message Detail
Recording System (SMDR)
Routine Diagnosis
System Status Monitor
Routine Maintenance
Alarm Indications
Collection of System Messages
Indication of Lockout Stations
Line Load Control
Fault Analysis/
Test Operation/
Changeover/
Make-Busy/Circuit
Card Change/
Initialization
See Chapter 6
See Chapter 6
See Chapter 6
See Chapter 6
See Chapter 6
See Chapter 6
See Chapter 6
Refer to
Chapter 5
See Chapter 7