Qpc659 Dual Loop Peripheral Buffer Card - Nortel Meridian 1 Replacement Manual

QPC659 Dual Loop Peripheral Buffer Card

8 Test the MSI card:
LD 37
MSI 0
— If there is a problem, an IOD system message is generated and the
red LED lights on the faceplate of the card.
— If there is no problem, exit LD 37:
****
9 Restore the current data configuration:
LD 43
RES
****
Note: If three system software disks are used, disks A1 and B1 must be
installed in the disk drive units after the restore operation.
10 Tag defective equipment with a description of the problem and package
it for return to a repair center.
Use this procedure to replace a dual loop peripheral buffer (DLB) card.
See the X11 Administration (553-3001-311) for a description of all
maintenance commands, and the X11 System Messages Guide
(553-3001-411) for interpreting system messages.
Module covers are not hinged; do not let go of the cover. Lift the cover
away from the module and set it out of your work area.
Service is interrupted when a loop is disabled.
Replacing equipment
WARNING
CAUTION
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Hardware replacement