Ntrx43 In An Rsc-M/Msp - Nortel DMS 100 Series Maintenance Manual

6-120 RSC-M card replacement procedures
NTRX43
in an RSC-M/MSP
Replacing an NTRX43 in an RSC-M/MSP
At the MAP terminal
1
2
At the front panel of the cabinet
3
MSP
1 2 3 4
4
297-8223-550 Standard 04.02 November 2000
(continued)
Proceed if the maintenance support group or a step in a maintenance
procedure directed you to this card replacement procedure. Use this
procedure to verify or accept cards.
Obtain a replacement circuit card. Make sure the replacement circuit card
has the same product equipment code (PEC) and suffix as the circuit card
you want to remove.
Open the front cover of the MSP. Release the two cover latches. Swing the
cover down to the open position.
NTRX41AA
NTRX43AA
5 6 7 8 9
Power down the circuit breaker that supplies the fuse module. Safety tag the
front of the circuit breaker. When you service the fuse module, fans can shut
down, alarms can sound or a loss of alarms can occur.
NTRX42AA
10 11 12 13 14
NTRX54BA
NTRX54BA
15 16 17 18 19 20