Nortel DMS-100 Series Replacement Procedures page 175

and pressing the Enter key.
The system determines the type of SwAct it can perform. The system
displays a confirmation prompt for the selected SwAct.
If SwAct
can continue at this time
cannot continue at this time
6 Switch the activity of the unit by typing
>YES
and pressing the Enter key.
The system runs a pre-SwAct audit to determine the ability of the inactive unit
to accept activity reliably.
Note: A maintenance flag appears when maintenance tasks are in
progress. Wait until the flag disappears before proceeding with the next
maintenance action.
If the message is
SwAct passed
SwAct failed
SwAct
XPM SwActback
SwAct refused by SwAct
controller
7 Return to the Alarm Clearing Procedures to clear the alarm condition on the
inactive unit. After the alarm is cleared, return to step 1 of this procedure.
At the frame:
8 Put a sign on the active unit bearing the following words: "Active unit—Do not
touch."
At the MAP terminal:
9 Busy the inactive PM unit by typing
>BSY UNIT
and pressing the Enter key.
where
unit_no
is the number of the faulty SMU unit
DMS-100 Family NA100 Card Replacement Procedures Volume 6 of 7 LET0015 and up
XPM card replacement procedures (continued)
failed Reason:
unit_no
in an SMU
Do
step 6
step 20
Do
step 8
step 7
step 7
step 7
1-143
NT6X92
(continued)