Replacing Scsi Crossover Circuit Pack - Nortel DMS-100 Series Manual

14-2 SCSI Crossover circuit pack (NT6M93xx) - Turbo only

Replacing SCSI Crossover circuit pack

To replace the SCSI Crossover circuit pack, use the following procedure.
Procedure 14-1
Replacing the SCSI XOVR circuit pack (NT6M93AA or NT6M93BA)
Step Description
CAUTION
Since all DPP circuit packs are static sensitive, be careful when handling them. Wear
a wrist grounding strap when working with the DPP.
WARNING
Since the DPP is powered up during this procedure, observe all safety procedures for
operations on live equipment.
18
Make sure no polling is occurring. Wait for a low traffic period, if possible.
19
Locate the failing SCSI Crossover circuit pack and change the disk mode to the other disk
ONLY mode, if necessary. The other disk is the one not in the same chassis as the
suspected SCSI Crossover circuit pack.
Enter:
>DISK MODE xx (cr)
where: xx = disk mode = AO = A ONLY
Proper response:
DISK MODE: AO
or
DISK MODE: BO
297-1001-539 Standard 01.03 September 2000
(at the terminal)
= BO = B ONLY
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