Nortel DMS-100 Series Replacement Procedures page 555

14 Seat and lock the card.
a 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.
b Close the locking levers.
15 Power up the inactive SMS-R unit as follows:
a Ensure that the power converter (NT2X70) is inserted. A major audible
alarm may sound. This alarm is silenced when power is restored to the
converter.
DMS-100 Family NA100 Card Replacement Procedures Volume 4 of 7 LET0015 and up
XPM card replacement procedures
in an SMS-R
1-523
NT2X70
(continued)