Nortel DMS-100 Series Maintenance Manual page 328

7-122 Card replacement procedures
NTMX71
SMS
(continued)
9
10
11
At the equipment frame
12
At the MAP terminal
13
297-8231-550 Standard 09.01 August 1998
pre-SWACT query failure
unit is jammed inactive
unit is in overload
pre-SWACT difficulties
You must clear all faults on the inactive unit and switch activity to the inactive
unit before attempting to change the faulty card on the active unit.
A problem has been detected as a result of your attempt to SWACT to the
inactive unit. Check the alarm banner for alarms.
If there is a
new alarm
no new alarm
Go to the appropriate procedure in the "SMS alarm clearing procedures"
section of this document to determine what steps to take to clear the problem
on the inactive unit.
Clear the problem then return to this step.
When the trouble on the inactive unit is cleared, force a SWACT to the active
unit by typing
>SWACT FORCE
and pressing the Enter key.
Hang a sign on the active unit bearing the words: Active unit—Do not touch.
This sign should not be attached by magnets or tape.
Observe the MAP display and determine the state of the inactive unit. The
example in step 3 shows the status of the PM as in-service on the active unit
and in-service trouble on the inactive unit.
If state is
ManB
SysB, CBsy, ISTb, or InSv
Do
step 10
step 33
Do
step 19
step 14