Nortel DMS-100 Series Maintenance Manual page 374

9-10 Trouble isolation and correction
PM181 JUL23 23:29:16 5561 INFO SMS 0 UNIT 0
Node:
Parity audit detected hard parity fault
Site Flr
SMS 00
Other problem indicators include the following:
The SysB means that the system removed the inactive unit from service and
cannot process calls. Both units were InSv and the system removed the
inactive unit from service. The system performed a warm SWACT on the
active unit and removed the active unit from service.
CM action
The CM sets the inactive unit to SysB. If the the active unit is defective, the
CM performs a warm SWACT and busies the new inactive unit.
User action
Replace the card in the list of the PM181 log. Manually busy (ManB) the
inactive unit with the command BSY UNIT n. Test the ROM with the
command TST UNIT n ROM to make sure that the correct card is chosen.
After you replace the card, use the LOADPM UNIT n CM DATA load the
PM again. Use the RTS UNIT n command to RTS the PM. The unit is
correctly RTS.
PM181—Hard parity fault, the inactive unit OOS
The following is an example of a PM181 log:
PM181 JUL23 23:29:16 5561 INFO SMS 0 Unit 0
Node:
Parity audit detected hard parity fault
Site
SMS
297-8231-550 Standard 09.01 August 1998
ISTb, Unit 0 Act: InSv, Unit 1, Inact:
RPos Bay_id
C05 SME 00
PM128—The SMS is set ISTb, with the inactive unit OOS.
PM128 JUL23 23:29:16 5561 TBL
Node: ISTb, (Inact OOS) From InSv
Unit 0 Inact: SysB (Parity errors detected) from InSv
Unit 1 Act: InSv
PM189—The inactive unit of the SMS has a hard fault.
PM189 JUL23 23:29:17 5561 INFO PM SW INFORMATION REPORT
SMS 0 Unit 0: Inact
TASKID: 00370037 PARAUDT, TIME:
COMID: FF NILCID
TEXT: hard_flt 00 00 57 F6 00 00
—SysB reason: the system detected a hard parity fault.
>QUERYPM FLT
ISTb, Unit 0 Act:
Flr RPos Bay_id
00 C05 SME 00
Shf Description
18 SMR: 000
ISTb SMS 0
22: 29:16.68
InSv, Unit 1, Inact:
Shf Description
18 SMS: 000
InSv
Slot EqPEC
12 MX77AA
OOS
Slot EqPEC
12 MX77AA