Nortel DMS-100 Series Replacement Procedures page 391

a Locate the card to be removed on the appropriate shelf.
b Open the locking levers on the card to be replaced and gently pull the
card towards you until it clears the shelf.
c Ensure the replacement card has the same PEC including suffix, as the
card you just removed.
d Set the switch settings on the card to match those of the card you are
replacing.
7 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.
DMS-100 Family NA100 Card Replacement Procedures Volume 4 of 7 LET0015 and up
XPM card replacement procedures
in an RSC RMM
1-359
NT2X57
(continued)