Nortel DMS-100 Series Replacement Procedures page 1020

1-988 XPM card replacement procedures (continued)
NTMX72
in an RSC-S (PCM-30) Model A RCO2
9
10
11
12
297-8021-547 Standard 14.02 May 2001
where
unit_no
is the number of the faulty RCO2 unit
Use the following information to determine where to proceed:
If the card you are replacing has
a suffix of
AA
AB
WARNING
Static electricity damage
Before removing any cards, put on a wrist strap and connect
it to the wrist strap grounding point on the left side of the
frame supervisory panel (FSP) of the RCO2. This protects
the equipment against damage caused by static electricity.
Power down the NTMX72 power converter by setting the POWER switch on
the face plate to the OFF position.
Go to step 12.
DANGER
Equipment damage
Take the following precautions when removing or inserting a
card:
1. Do not apply direct pressure to the components.
2. Do not force the cards into the slots.
Power down the NTMX72AB power converter by setting the circuit breaker on
the FSP for the inactive unit to the OFF position.
Go to step 12.
Remove the NTMX72 card as shown in the following figures.
a Locate the card to be removed on the appropriate shelf.
(continued)
Do
step 10
step 11