Nortel Meridian 1 Planning, Installation And Operating Instructions page 517

Page 498 of 536
Possible cause
Defective PE circuit
card
Defective NTMW10 Fbr
Rcvr card if affected
card is in Expansion
cabinet
553-3121-210 Standard 3.0
Chapter 25 — Fault locating and clearing
Action
Replace the affected circuit card.
Enable the circuit card by entering
LD 32
ENLC c
("c" represents the card number)
Test the card by entering
LD 30
UNTT c
("c" represents the card number)
Note: Call processing for the Expansion cabinet is interrupted
while the
Fbr Rcvr card
Disable the Expansion cabinet by entering:
LD 32
DISS 1
Disable the Fiber Link by entering:
LD 135
DIS FIL 1
Replace the Fbr Rcvr card.
Perform Local and Remote Loop-back tests on the link by entering:
LD 135
LLBK FIL 1
RLBK FIL 1
Enable the Fiber Link by entering:
LD 135
ENL FIL1
Enable the Expansion cabinet by entering:
LD 32
ENLS 1
January 1999
is being replaced.
—continued—