Page 486 of 536
Chapter 25 — Fault locating and clearing
553-3121-210
Standard 3.0
January 1999
Defective NTMW01
SSC card
Install a new NTMW01 SSC card.
Note: Reuse the daughter boards attached to the original
NTMW01
SSC card
. Call processing on the entire system is interrupted while
the
SSC card
is being replaced.
Enable and test the card by entering
LD 30
TEST
Wait for an OVD message.
If the card tests “OK”, the SSC circuit card was defective.
If after a few minutes you receive an OVD message, and this
system is not equipped with an expansion cabinet, the shelf
backplane is defective. Replace the main cabinet.
If this system is equipped with an expansion cabinet, go to the next
possible cause.
Defective Expansion
cabinet
Replace cabinet.
Enable and test the card by entering
LD 30
TEST
Possible cause
Action
Summary of Contents for Meridian Meridian 1
Page 3: ...553 3121 210 Standard 3 0 January 1999 ...
Page 17: ...xiv Contents 553 3121 210 Standard 3 0 January 1999 ...
Page 97: ...Page 78 of 536 Chapter 8 Installing a new system 553 3121 210 Standard 3 0 January 1999 ...
Page 107: ...Page 88 of 536 Chapter 10 Installing the system ground 553 3121 210 Standard 3 0 January 1999 ...
Page 113: ...Page 94 of 536 Chapter 11 Installing the power supply 553 3121 210 Standard 3 0 January 1999 ...
Page 125: ...Page 106 of 536 Chapter 12 Adding an expansion cabinet 553 3121 210 Standard 3 0 January 1999 ...
Page 209: ...Page 190 of 536 Chapter 18 Connecting the trunks 553 3121 210 Standard 3 0 January 1999 ...
Page 323: ...Page 304 of 536 Chapter 21 Installing Hospitality 553 3121 210 Standard 3 0 January 1999 ...
Page 419: ...Page 400 of 536 Chapter 23 Pre programmed data 553 3121 210 Standard 3 0 January 1999 ...
Page 555: ...Page 536 of 536 Chapter 25 Fault locating and clearing 553 3121 210 Standard 3 0 January 1999 ...