Replacing bus terminator circuit pack 97
DPP Card Replacement Guide BCS35 and up
Procedure 11–1
Replacing bus terminator circuit pack – model numbers G12 or earlier
( D09 or E12 for example)
Step
Notes
Description
12
Insert the replacement bus terminator
circuit pack.
This pack requires high
insertion force for proper
seating. Use a thimble or
other mechanical aid.
13
Fold the DSI cables back into position
along the outer wall of the chassis.
14
Remount the ribbon cable shield over
the DSI cables.
If it does not fit properly,
check the folding of the DSI
cables. Do not crimp these
cables.
15
Insert the two screws to hold the cable
shield in place.
Do not overtighten.
16
Reinsert the DSI circuit packs in slots
12 and 13 and the Disk Interface
circuit pack in slot 11.
Return the DSI circuit packs
to the appropriate locations.
17
Reattach the DSI cables.
18
Apply power to the chassis.
20
Wait for startup activity to end and the
message "S/W loaded." Set the DPP
ONLY processor to PRIME mode.
Set the O/P selector switch to
P. Turn the mode insert key
45
o
to the right and release.
20
If alarm status shows active alarms,
troubleshoot all alarm conditions .
At the maintenance terminal, enter:
TEST ACT (cr)
TEST STDBY (cr)
21
Reinstall the front panel on the DPP.
End
