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Nortel Manuals
Control Unit
DMS-100 Series
Maintenance manual
Nortel DMS-100 Series Maintenance Manual page 11
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Also See for DMS-100 Series
:
Replacement procedures
(1100 pages)
,
Maintenance manual
(762 pages)
,
Manual
(543 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Advertisement
NT6X18 in an OPM
8-93
NT6X19 in an OPM
8-97
NT6X20 in an OPM
8-101
NT6X21 in an OPM
8-105
NT6X27 in an OPM HIE
8-109
NT6X36 in an OPM
8-116
NT6X45 in an OPM HIE
8-121
NT6X47 in an OPM HIE
8-127
NT6X50 in an OPM HIE
8-133
NT6X51 in an OPM
8-140
NT6X52 in an OPM
8-147
NT6X53 in an OPM
8-153
NT6X54 in an OPM
8-165
NT6X60 in an OPM HIE
8-174
NT6X71 in an OPM
8-182
NT6X73 in an OPM HIE
8-186
NT6X74 in an OPM RMM
8-190
NT6X75 in an OPM HIE
8-197
NT6X99 in an OPM
8-204
NT8X02 in an OPM BCU
8-208
NTMX45 in an OPM HIE
8-213
Replacing a card
8-223
Replacing a line card
8-228
9
Locating and clearing OPM problems
10
Trouble isolation and correction
Description of troubleshooting procedures
10-1
Performance indicators
10-1
Locating and clearing faults
10-2
Fault isolation tests
10-3
Faulty line drawer
10-3
Faulty shelf circuit pack
10-3
Faulty line card
10-3
Faulty DS-1 link
10-4
Faulty ringing generator (RG) frequency generator circuit
10-4
Load file mismatch
10-4
Diagnostic tests
10-5
Bit error rate performance testing
10-5
XPM bit error ratio test
10-6
Entering XBERT
10-7
Lines maintenance
10-8
Automatic line testing
10-8
Station tests
10-10
Manual line testing
10-11
Product-specific test tools
10-11
Line maintenance cutover (LMCUT)
10-11
DMS-100 Family OPM Maintenance Manual XPM14 and up
Contents vii
9-1
10-1
Table of
Contents
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Table of Contents
Troubleshooting
10 Trouble isolation and correction
577
11 Troubleshooting chart
589
Advanced troubleshooting procedures
593
Troubleshooting a loading failure
596
Troubleshooting RTS failure
598
Troubleshooting dial tone problems
599
Troubleshooting ringing generator problems
600
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