Nortel DMS-100 Series Maintenance Manual page 327

The system determines the type of SWACT it can perform and displays a
confirmation prompt for the selected SWACT.
If SWACT
can continue at this time
cannot continue at this time
6 Confirm the system prompt 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
XPM SWACTback
SWACT refused by SWACT
Controller
7 The inactive unit could not establish two-way communication with the central
control and has switched activity back to the originally active unit. You must
clear all faults on the inactive unit before attempting to clear the alarm condition
on the active unit.
Go to step 9.
8 The SWACT controller does not recommend a SWACT for one of the following
reasons:
IMC link failures
message link failures
parity audit failures
superframe sync failures
inactive unit was unable to keep activity last time
dropping activity
Reason:
DMS-100 Family SMS Maintenance Manual XPM10 and up
Card replacement procedures 7-121
SMS
Do
step 6
step 23
Do
step 12
step 7
step 8
NTMX71
(continued)