Nortel DMS 100 Series Maintenance Manual page 282

6-130 RSC-M card replacement procedures
NTRX54
in an RSC-M/MSP
9
At the front panel of the cabinet
10
11
297-8223-550 Standard 04.02 November 2000
(continued)
power connector. Disconnect the smaller black power connectors located
above the large blue power connector. Make sure you disconnect the black
connectors before you remove the circuit card.
The connectors have voltage present. The connectors are insulated. Secure
the connectors to the power-connector bundle with a line-tie until the time
arrives to connect the connectors again.
Remove the NTRX54 circuit card.
a Disengage the knurled thumbscrew at the top of the circuit card.
b Carefully pull the circuit card toward you until the circuit card clears the
shelf.
Make sure the replacement circuit card has the same PEC and suffix as the
circuit card you removed.
a Align the circuit card with the slots in the shelf. Carefully slide the circuit
card in the shelf.
b Carefully seat the circuit card tight.
c Tighten the knurled thumbscrew at the top of the circuit card.
NTRX54BA