Chapter 25 — Fault locating and clearing
Page 477 of 536
Option 11C Compact
Planning, Installation, Fault Clearing and CCBR Guide
Symptom:
Fault indicated on the NTMW01 SSC card, or Memory fault
indicated
The red LED is lit on the SSC card, or a memory fault is indicated. 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.
•
NTMW01
SSC card
•
NTDK21 or NTDK81 Software Daughter Board
•
NTDK22 Fiber Daughter Board
Defective NTMW01
SSC card
Replace the NTMW01 SSC circuit card with the original Daughter
Boards installed on it.
If the system does not recover, go to the next possible cause.
Defective NTDK22
Fiber Daughter Board
Unseat the NTMW01 SSC circuit card and replace the Fiber
Daughter Board.
Reinsert the NTMW01 SSC circuit card.
If a sysload (SYSLOAD) occurs, check all fault indicators and clear
any faults indicated.
If the system will not reload, go to the next possible cause.
Defective NTDK21 or
NTDK81 Software
Daughter Board
Unseat the NTMW01 SSC circuit card and replace the Software
Daughter Board.
Reinsert the NTMW01 SSC circuit card.
Reinstall software form PCMCIA card as necessary.
If the system will not reload, go to the next possible cause.
Defective backplane
Replace the cabinet.
Possible cause
Action
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 ...