Nortel DMS-100 Series Maintenance Manual page 330

7-124 Card replacement procedures
NTMX71
SMS
(continued)
20
21
22
23
24
25
26
At the MAP terminal
27
297-8231-550 Standard 09.01 August 1998
DANGER
Risk of eye or facial injury
When removing the NTMX77 card, do not jerk the
paddleboard from the backplane pins. Instead, gently
rock the paddleboard off the packplane pins.
Remove the NTMX71 card.
Place the card you have removed in an electrostatic discharge (ESD) protective
container.
Line up the holes on the brackets of the replacement card with the holes on the
backplane of slot 19.
Using a slot screwdriver, secure the card to the backplane with the screws that
were loosened in step20. Ensure the fiber washer is between the brackets of
the replacement card and the backplane before tightening the screws.
Reseat the NTMX77.
Reseat the NT6X41 card.
Use the following information to determine the next step.
If you were directed here from
alarm and trouble clearing
procedures
other
Load the inactive SMS unit by typing
>LOADPM UNIT unit_no
and pressing the Enter key.
where
unit_no is the number of the busied SMS unit (0 or 1)
Do
step 30
step 27