Northern Telecom DMS-100 Series Maintenance Manual page 147

Procedure 4-49
Disk drive hardware error messages - procedures
Notes:
Note 1: SECTOR data appears only if the disk drive returns a sector number as part of this output.
Note 2: Before moving the locations of any cables and/or connector arrangements, verify the locations of the cables in the
Site Configuration Specifications for the particular Office. Consult with technical assistance personnel before making any
cabling changes.
(continued)
iii) After making any necessary corrections, repeat
steps a and b. If still unsuccessful, switch
processors. Repeat steps A and B. If
successful, to to step D. If unsuccessful, go to
step E.
d. Replace the Disk (SCSI Intf) Interface PCA in slot
11 of the standby chassis
i) See Printed Circuit Assembly Replacement in
297-1001-536: DPP Card Replacement Guide .
ii) If the problem is not cleared after PCA
replacement and restart, go to step e. Return
the original PCA to its position before
proceeding.
e. Replace the suspect disk drive.
i) See Disk Drive Procedures, Replacing Disk
Drive.
ii) Repeat steps a and b. (If unsuccessful, go to
step f.)
f. Call for technical assistance.
End
DPP Recovery and Routine Maintenance Guide BCS35 and up
Disk drive procedures 4-113