Chapter 25 — Fault locating and clearing
Page 493 of 536
Option 11C Compact
Planning, Installation, Fault Clearing and CCBR Guide
Possible cause
Action
Defective NTDK22
Fiber Daughter Board
If a fault is indicated on conference loop 31, replace the Fiber
Daughter Board.
Note: Call processing on the entire system is interrupted while the
NTMW01 SSC
is unseated.
Defective NTMW01
SSC
If there are no messages indicating a fault on any conference loop,
test each conference loop in the system by entering
LD 38
CNFC loop
(“loop” represents the conference loop number 29, 30, or 31)
If the conference loop is disabled, try to enable it by entering
LD 38
ENLL loop
(“loop” represents the conference loop number 29, 30, or 31)
If a fault is indicated on conference loop 31, replace the Fiber
Daughter Board for Expansion.
If a fault is indicated on conference loop 29 or 30, replace the
NTMW01 SSC card.
Note: Reuse the daughter boards installed on the original
SSC
card
. Call processing on the entire system is interrupted while the
SSC card
is being replaced.
If no faults are detected on any conference loop, go to the next
possible cause.
Defective telephone
Check the telephone with this problem. Make sure that the feature
is properly assigned to the telephone and the telephone is not
defective.
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 ...