Nortel DMS 100 Series Maintenance Manual page 168

6-16 RSC-M card replacement procedures
NT6X78
in an RSC-M
(continued)
8
At the cabinet
9
At the shelf
10
11
297-8223-550 Standard 04.02 November 2000
Unit0: Inact SysB
Unit1: Act
RCO2 0 SwAct Passed
Note: A maintenance flag (Mtce) can appear. This Mtce indicates
system-initiated maintenance tasks are in progress. Wait until the flag
disappears from the status lines for both PM units before you proceed to
the next step.
If the MAP response is
is SWACT passed
is other than listed here
To busy the inactive unit, type:
>BSY UNIT unit_no
and press the Enter key.
where
unit_no
is the number of the inactive RCO2 unit zero or one
Place a sign with the words Active unit-Do not touch on the active unit. Do
not attach the sign with magnets or tape.
WARNING
Static electricity damage
Wear with a strap that connects the wrist-strap grounding
modular supervisory panel (MSP) to handle circuit cards.
The wrist strap protects the cards against static electricity
damage.
Locate the circuit card to be replaced.
Note: The NT6X78 circuit cards, are in slot five of unit zero, and slot 23 of
unit one.
To replace the card, use the common replacing a card procedure in this
document. Complete the procedure and return to this point.
Note: If the circuit card you replace has switches, make sure the switches
on the replacement circuit card have the same settings.
Mtce
ISTb
Do
step 8
step 19
CMR