Page 476 of 536
Chapter 25 — Fault locating and clearing
553-3121-210
Standard 3.0
January 1999
Symptom:
Call processing stopped on the entire system
Call processing has stopped. 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.
You may need to replace:
•
NTMW11 Power Supply
•
NTMW01 SSC card
•
NTDK21 or NTDK81 Software Daughter Board
•
NTDK22 Fiber Daughter Board
•
Main Cabinet
Possible cause
Action
Improperly installed
NTDK21 or NTDK81
Software Daughter
Board
Unseat the NTMW01 SSC card.
Unseat the Software Daughter Board.
Reseat the Software Daughter Board.
Ensure Daughter Board connector is fully seated.
Reinsert the NTMW01 SSC circuit card.
Improperly installed
NTDK22 Fiber
Daughter Board
Unseat the NTMW01 SSC card.
Unseat the Fiber Daughter Board.
Reseat the Fiber Daughter Board.
Ensure Daughter Board connector is fully seated.
Reinsert the NTMW01 SSC circuit card.
Defective NTMW11
Power Supply in the
main cabinet
Make sure the green LED on the NTMW11 Power Supply in the
main cabinet is lit. If it is not lit, go to
If the power supply LED is lit, go to the next possible cause.
Initialization required
Press the manual initialize button on the faceplate of the NTMW01
SSC. If the system initializes, check all fault indicators and clear any
faults indicated. If the system does not initialize, unseat the circuit
cards in the shelf in the main cabinet (and in the expansion cabinet
if equipped) one-at-a-time. If the system initializes, replace the last
circuit card removed (it may be faulty). If the system will not
initialize, go to the next possible cause.
—continued—
Содержание Meridian Meridian 1
Страница 3: ...553 3121 210 Standard 3 0 January 1999 ...
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 ...