Mitel SX-5 Manual page 169

MITEL STANDARD PRACTICE
SECTION MITL9103 -098-350-NA
Issue 1 , May 1982
SX-5'
SUPERSW ITCH'
COMMUNICATIONS SYSTEM
TROUBLESHOOTING PROCEDURES
CONTENTS PAGE
1 . INTRODUCTlON
. . . . . . . . . . . . . . . .
1
2 PREFACE
. . . . . . . . . . . . . . . . . . . .
2
3 . ENTRY INTO AN SX-5 CABlNR
. . . . .
2
General
. . . . . . . . . . . . . . . . . . . . .
2
Levels of Entry
. . . . . . . . . . . . . . . .
2
Level 1
EmF/
. . . . . . . . . . . . . . . . .
2
Level
2 Entry
. . . . . . . . . . . . . . . . .
2
4 . MAINTENANCE LED'S
. . . . . . . . . . . .
2
Location and Function
. . . . . . . . . . .
2
. . . .
5 . TROUBLESHOOTING PROCEDURES 2
General
. . . . . . . . . . . . . . . . . . . . .
2
Precautions
. . . . . . . . . . . . . . . . . .
4
. . . . . . . . .
Test Equipment and Tools 4
Environmental Conditions
. . . . . . . . .
4
Description of MAPS
. . . . . . . . . . . .
5
MAP Symbols
. . . . . . . . . . . . . . . .
5
Use of MAP'S
. . . . . . . . . . . . . . . . .
5
6 . DETAILED PROCEDURES
. . . . . . . . . .
9
. . . . . . . .
SLlC Removal/Replacement 5
Trunk Module RemovallReplacement
. .
6
Memory Module RemovallReplacement
.
6
APPENDIX 1
. . . . . . . . . . . . . . . . . .
Al-1
Fault Suspected
MAP350-101
. . . . . . . . . . . . . .
A1-3
Feature Fault
MAP350-102
. . . . . . . . . . . . .
A1-7
Power Fault
MAP350-103
. . . . . . . . . . . . .
A1-9
System Dead
MAP350-104
. . . . . . . . . . . . .
A1-13
CONTENTS PAGE
. . . . . . . . . . . . .
MAP350-106 A1-19
Extmsion Fault
. . . . . . . . . . . . .
MAP390-107 Al-2l
Single Extension Fault
. . . . . . . . . . . . .
MAP350-108 Al-2s
No Dial Tone
MAP350-109
. . . . . . . . . . . . .
A1-29
No Ringing
MAP350-110
. . . . . . . . . . . . . .
Al-3l
Extension Audio Fault
MAP350 - 1 1 1
. . . . . . . . . . . . . .
A1 -33
StlC Test
MAP350-112
. . . . . . . . . . . . . .
A1 -39
Trunk Fault
MAP3S0-113
. . . . . . . . . . . . . .
A1 -41
Single Equipment Fault
MAP350 -114
. . . . . . . . . . . . . .
A1 -47
Single Trunk Fault
MAP390-115
. . . . . . . . . . . . . .
A1 -49
Trunk Audio Fault
MAP350-116
. . . . . . . . . . . . . .
Al-51
Phantom Ringing
. . . . . . . . . . . . . .
MAP350-117 A1 -53
Dropped Calls
MAP390-118
. . . . . . . . . . . . . .
A1 -39
INTRODUCTION
1 . 0 1
The SX-5 Communications System is a re-
liable, maintenance free system which em-
ploys solid-state technology and modular con-
struction For these reasons, and in the interest
of simplicity, only two methods of fault repair
need to be considered they
are:
System Control Dead
MAP390-105
. . . . . . . . . . . . .
A1-17 Complete System Replacement
Extension LED
Fault Module
Replacement
Copyright of MIlEL Corporation 1982
Trademark of
MITE1 Corporation 1982
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