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1. Make sure a wrap plug is properly installed on the connector. Refer to Figure 1-2 on page 1-4 for views
of the switch wrap plugs.
2. Have customer check (and update if necessary) the switch configuration file appropriately before
continuing:
v For code level 1.02 and higher, use the Etopology command.
3. Did you just correct a problem with a wrap plug or correct the switch configuration?
v If yes, go to “Step 0620-043” on page 1-36.
v If no, go to “Step 0620-041” on page 1-35 to service or replace the switch assembly.
Step 0620-008
You have a switch cable connected to the indicated jack on the SP Switch.
1. Check cable connection at SP Switch and processor node.
2. Does the cable appear to be fully connected at the SP Switch and the processor node?
v If yes, go to “Step 0620-009”.
v If no:
a. Fix the cable connection problem.
b. Go to “Step 0620-043” on page 1-36.
Step 0620-009
The cable appears to be fully connected at both the SP Switch and at the processor node.
1. From the front of the RS/6000 SP frame or from the control workstation, check the Power (green) LED
on the processor node to make sure it is lit.
2. Is the Power (green) LED lit, indicating the processor node is powered on?
v If yes, go to “Step 0620-011”.
v If no, go to “Step 0620-010”.
Step 0620-010
The processor must be powered on for the switch to recognize the port.
1. Power on this processor node, and check the Power (green) LED.
2. Does the Power (green) LED stay lit, indicating the processor node is powered on?
v If yes, go to “Step 0620-043” on page 1-36.
v If no:
a. The processor node has a power problem.
b. Go to ″Processor node diagnostics and descriptions (MAP 0130)″ in
RS/6000 SP: System
Service Guide
to fix problem.
Step 0620-011
The Power (green) LED is lit, indicating the processor node is powered on.
1. Run advanced diagnostics in service mode on device “css0” on this processor node and its associated
switch port.
v Refer to ″Running diagnostics in a processor node″ in
RS/6000 SP: System Service Guide
and
“Running diagnostics on a switch port” on page 3-12.
Notes:
a. Advanced cable wrap tests will not run successfully for 15- and 20-meter SPS data cables. If 15- or
20-meter data cables are used, swap or change the suspected cable.
b. Advanced “css0” diagnostics will require a male and a female wrap plug to perform the card wrap
and cable wrap tests. When testing the SPS adapter, cable part number 46H9699 will also be
required to perform card diagnostics. This cable is part of the SPS feature bill of materials.
c. If unable to run diagnostics, reseat or replace the card.
2. Do you get a Service Request Number (SRN) from “css0” diagnostics?
SP Switch function (MAP 0620)
Chapter 1. Maintenance Analysis Procedures (MAPs) 1-23