Nortel DMS-100 Series Replacement Procedures page 1013

b Gently slide the card into the shelf.
16 Seat and lock the card.
a Using your fingers or thumbs, push on the upper and lower edges of the
faceplate to ensure the card is fully seated in the shelf.
b Close the locking levers.
17 Power up the inactive RCC2 unit as follows:
a Ensure the NTMX72 circuit card is fully inserted. A major audible alarm
may sound. The alarm is silenced when power is restored to the
NTMX72 circuit card.
Note:
b If the power converter replaced is an NTMX72AA, set the switch on the
power converter to the Reset position. Set the associated circuit breaker
on the MSP to the ON position.
If both the converter FAIL LED and FRAME FAIL lamp on the MSP go
OFF, go to step 18.
DMS-100 Family NA100 Card Replacement Procedures Volume 6 of 7 LET0015 and up
XPM card replacement procedures (continued)
in an RSC-S (DS-1) Model B RCC2
1-981
NTMX72
(continued)