Chapter 25 — Fault locating and clearing
Page 515 of 536
Option 11C Compact
Planning, Installation, Fault Clearing and CCBR Guide
Symptom:
Indicator or digit display not functioning properly
The attendant console operates, but some LCD indicators or digit displays are
not functioning properly. Look up all system messages in the Option 11C
Compact software guide and follow the instructions given. If the fault does
not clear, use this procedure.
Constantly observe and look up system messages as you perform this
procedure.
Possible cause
Action
Disconnected or
defective power supply
Make sure the required power supplies to the attendant console are
connected and are not defective.
If there is still a console problem, go to the next possible cause.
Disabled TN
Software disable then re-enable each TN by entering
LD 32
DISU c u
ENLU c u
(“c u” represents card and unit number)
Test other TNs by entering
LD 30
UNTT c u
Test other TNs by entering
TEST
If there is still a console problem, go to the next possible cause.
Feature not assigned
Make sure the feature or the indicator is assigned in software.
If there is still a console problem, go to the next possible cause.
Defective console
Test the console by entering
LD 31
(See the
Option 11C Compact software guide for information on
testing consoles with LD 31.)
If the console fails the test, replace it.
Содержание Meridian Meridian 1
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Страница 17: ...xiv Contents 553 3121 210 Standard 3 0 January 1999 ...
Страница 89: ...Page 70 of 536 Chapter 6 Bracing cabinets against earthquakes 553 3121 210 Standard 3 0 January 1999 ...
Страница 97: ...Page 78 of 536 Chapter 8 Installing a new system 553 3121 210 Standard 3 0 January 1999 ...
Страница 107: ...Page 88 of 536 Chapter 10 Installing the system ground 553 3121 210 Standard 3 0 January 1999 ...
Страница 113: ...Page 94 of 536 Chapter 11 Installing the power supply 553 3121 210 Standard 3 0 January 1999 ...
Страница 125: ...Page 106 of 536 Chapter 12 Adding an expansion cabinet 553 3121 210 Standard 3 0 January 1999 ...
Страница 139: ...Page 120 of 536 Chapter 13 Installing the circuit cards 553 3121 210 Standard 3 0 January 1999 ...
Страница 157: ...Page 138 of 536 Chapter 15 Installing and connecting SDI and Ethernet ports 553 3121 210 Standard 3 0 January 1999 ...
Страница 175: ...Page 156 of 536 Chapter 16 Starting up and testing the system 553 3121 210 Standard 3 0 January 1999 ...
Страница 209: ...Page 190 of 536 Chapter 18 Connecting the trunks 553 3121 210 Standard 3 0 January 1999 ...
Страница 323: ...Page 304 of 536 Chapter 21 Installing Hospitality 553 3121 210 Standard 3 0 January 1999 ...
Страница 419: ...Page 400 of 536 Chapter 23 Pre programmed data 553 3121 210 Standard 3 0 January 1999 ...
Страница 455: ...Page 436 of 536 Chapter 24 Changing pre programmed data 553 3121 210 Standard 3 0 January 1999 ...
Страница 555: ...Page 536 of 536 Chapter 25 Fault locating and clearing 553 3121 210 Standard 3 0 January 1999 ...