Nortel DMS-100 Series Maintenance Manual page 59

REx state machine actions
Start
Test the inactive unit
(InSv tests only)
PM600 log is output
that identifes the REx
failure reason
A
SysB the inactive unit
after recovery failure
Note 1: Pre-SWACT audit failed .
Note 2: SWACT failed.
Note 3: Post-SWACT audit failed.
SysB the inactive unit
SWACT back
to original
active unit
SWACT
passes
Perform a recovery
warm SWACT
DMS-100 Family SMS Maintenance Manual XPM10 and up
Maintenance overview 1-43
RTS the inactive unit
(out-of-service tests only)
Wait for superframe and
data synchronization to
occur
Initiate a pre-SWACT audit
(See note 1)
to determine if you must
request a SWACT
(See note 2)
Initiate a warm SWACT
(See note 3)
Initiate post-SWACT
audit of new active unit
SysB the new inactive
unit
RTS and SysB the new
inactive unit
Wait for superframe and
data synchronization to
occur
Perform InSv diagnostics
(TST) on the new active
unit
Perform InSv diagnostics
A
(TST) on the new
inactive unit
Indicates process failed
Indicates process passed
Finish