Nortel DMS-100 Series Maintenance Manual page 581

Replacing an NTRX43 in an MSP
At your Current Location
1 Proceed only if you have been directed to this card replacement procedure from
a step in a maintenance procedure, are using the procedure for verifying or
accepting cards, or have been directed to this procedure by your maintenance
support group.
2 Obtain a replacement card. Ensure that the replacement card has the same
product equipment code (PEC), including suffix, as the card that is to be
removed.
At the front of the MSP
3
Open the front cover of the MSP. Release the two cover latches and swing the
cover down to the open position.
NTRX44AA
1 2 3 4 5
WARNING
Risk of injury from high energy levels, static electricity
damage
Wear a wrist strap connected to a wrist strap
grounding point to protect equipment against damage
caused by static electricity.
NTRX41AA
NTRX43AA
6 7 8 9 10
DMS-100 Family OPAC Maintenance Manual XPM12 and up
Card replacement procedures 8-215
NTRX42
11 12 13 14 15
NTRX43
MSP
(continued)
NTRX66AA
16 17 18 19 20