Nortel DMS-100 Series Maintenance Manual page 519

At the HIE
11 Remove the NT6X60 card as follows:
1. Locate the card to be removed on the appropriate shelf.
2. Open the locking levers on the card to be replaced and gently pull the card
towards you until it clears the shelf.
3. Place the card you have removed in an electrostatic discharge (ESD)
protective container.
4. Examine the switch settings (if any) of the card just removed. Ensure that
the switch settings on the replacement card match those of the card being
replaced.
5. Ensure that the replacement card has the same product equipment code
(PEC), including suffix, as the card you just removed.
12 Open the locking levers on the replacement card. Align the card with the slots
in the shelf and gently slide the card into the shelf.
13 Seat and lock the card.
1. Using your fingers or thumbs, push on the upper and lower edges of the
faceplate to ensure that the card is fully seated in the shelf.
2. Close the locking levers.
At the OPM cabinet
14 Turn ON the circuit breaker turned OFF in step 9.
15 Remove the wrist strap.
If you were directed to this procedure from the Alarm Clearing Procedures ,
16
return now to the alarm clearing procedure that directed you here. Otherwise,
continue with step 17.
At the MAP terminal
17 Return the LCM unit to service by typing
>RTS UNIT lcm_unit
and pressing the Enter key.
where
lcm_unit
is the number of the LCM unit busied in step 8
If RTS
passed
fai led
18 Switch ringing generator activity to the new NT6X60 card by typing
>SWRG UNIT unit_no
and pressing the Enter key.
OPM card replacement procedures
DMS-100 Family OPM Maintenance Manual XPM14 and up
in an OPM HIE
Do
step 18
step 23
8-179
NT6X60
(continued)