IBM iSeries 270 Service Manual page 582

2) Increment to A1 and press Enter. This will send out a Rack Power On command on the
SPCN Network which will restore power to the expansion tower or unit, which has become
powered off.
24. Were you sent here from a tower card remove and replace procedure?
v No: Continue with the next step.
v Yes: Choose from the following options:
– If you have not set the configuration ID, return to the tower card remove and replace procedure
to set it.
– If you have already set the configuration ID, then continue with the next step of this procedure.
25. From the Packaging Hardware Resources display, select Associated Logical Resource(s) for the
expansion tower or unit.
The Logical Hardware Resources Associated a Packaging Resource display shows the status of
devices and IOPs.
When all expected resources appear with an operational status, work with the customer to bring the
system to the operational state.
Note: For V4R3 and following (more recent) releases, a resource that has been removed will show a
status of "Not Connected". For earlier systems the status will show as "Disabled".
Work with the customer to restart all bus activity:
Start all subsystems that were ended.
v
v Vary on all devices, lines, and controllers for the expansion tower or unit that was powered off.
Start customer applications.
v
Was the tower configured as a switchable tower under iSeries OptiConnect for HSL when you
entered this procedure?
v Yes: Continue with the next step.
v No: If you moved the ac power cords of an expansion unit from this tower to an alternate ac
power source during this procedure, then move them back to this expansion tower. Move only one
of the expansion unit's ac power cords at a time to this tower to prevent the expansion unit from
loosing ac power.
This ends the procedure.
26. Did you change the tower's mode to Private using HSM?
No: Continue with the next step.
v
v Yes: Work with the customer to restore the mode of the tower to Switchable using the Service
Reference Procedures in the iSeries Service Functions
information.
Then, continue with the next step.
27. Work with the customer to start the CRG that you ended during this procedure. Refer to the
OptiConnect for OS/400 information.
Were you able to start the CRG?
Yes: Continue with the next step.
v
No: Contact your next level of support.
v
This ends the procedure.
28. Work with the customer to restore ownership of the tower's HSL I/O bridge resource to the system
that the customer prefers. Refer to the OptiConnect for OS/400 information.
Were you able to restore the ownership of the tower's HSL I/O bridge resource to the system that the
customer prefers?
Yes: This ends the procedure.
v
570
Hardware (Remove and Replace; Part Locations and Listings)