Nortel DMS-100 Series Maintenance Manual page 551

At the OPM cabinet
6
Turn switch on front of the BCC (NT8X02) card to the OFF position.
7 Replace the NT8X02 card by using the common replacing a card procedure
in this document. When the card is replaced, return to this step.
8 Turn the switch on the BCC (NT8X02) card to the ON position.
If you were directed to this procedure from the Alarm Clearing Procedures ,
9
return now to the alarm clearing procedure that directed you here. Otherwise,
continue with step 10.
At the MAP terminal
10 Perform diagnostics by typing
>TST
and pressing the Enter key.
If test
passed
failed
11 Return the BCCDVR card to service by typing
>RTS BCCDVR
and pressing the Enter key.
If RTS
passes
fails
12 Send any faulty cards for repair according to local procedure.
13 Record the following items in office records:
• date the card was replaced
• serial number of the card
• symptoms that prompted replacement of the card
OPM card replacement procedures
DANGER
Possible loss of service during BCC (NT8X02) replacement
Do not turn off more than one BCC NT8X02 at a time or
service is lost if AC power is interrupted. Turn off BCC0
when working on battery strings 0, 1, 2, or 3. Turn off BCC1
when working on battery strings 4, 5, 6, or 7.
DMS-100 Family OPM Maintenance Manual XPM14 and up
in an OPM BCU
Do
step 11
step 14
Do
step 12
step 14
8-211
NT8X02
(continued)