Nortel DMS-100 Series Replacement Procedures page 523

in an RSC-S (PCM-30) Model A RCO2
c Ensure the replacement card has the same PEC, including suffix, as the
card you just removed.
23 Open the locking levers on the replacement card.
a Align the card with the slots in the shelf.
b Gently slide the card into the shelf.
DMS-100 Family NA100 Card Replacement Procedures Volume 6 of 7 LET0015 and up
XPM card replacement procedures (continued) 1-491
NTBX02
(continued)