After you have corrected any problems with I/O towers and system units, or
after you have re-configured the loop, return to this procedure at step 4 on
page 289. You may also start at the beginning of the procedure.
This ends the procedure.
7. Power on the I/O towers or system units on the loop that were powered off.
Wait for the frame number to appear in the OP Panel of the I/O towers that
you powered on.
Wait until the DST or system sign on screen appears on the console of the
system units that you powered on.
8. Did the I/O towers and system units power on successfully?
Yes No
↓ Go to step 6 on page 289 of this procedure.
9. Perform “BUS PIP HSL-02” on page 298 to examine the loop using the
″Display HSL Information″ screens looking for failed ports. Then, return here
and continue with the next step of this procedure.
10. Did you find a failed link?
Yes No
↓ Close the problem. The loop is now functioning properly.
This ends the procedure.
11. Use the information that you recorded in “Appendix G. HSL Link Status
Diagnosis Form” on page 967 to answer the following question:
Is the frame ID # recorded in column ’A’ for the first failing resource the same
frame ID number recorded in column ’A’ for the second failing resource?
No Yes
↓ Go to step 37 on page 293 of this procedure.
12. Is the first failing resource a system unit or base I/O tower (FC 9074 or FC
9079)?
No Yes
↓ Go to step 46 on page 294 of this procedure.
13. Is the second failing resource a system unit or base I/O tower (FC 9074 or FC
9079)?
No Yes
↓ Go to step 59 on page 296 of this procedure.
14. Refer to the information that you recorded in “Appendix G. HSL Link Status
Diagnosis Form” on page 967.
Locate and move to the frame identified in column ’A’ for the first failing
resource. Label the cables in order to restore them later.
15. Disconnect the HSL cables.
16. Are the connections optical links?
No Yes
↓ Clean the HSL cable connector and port using the tools and
procedures listed in symbolic FRU “OPT_CLN” on page 561. Go to
step 18 on page 291 of this procedure.
17. Wait at least 30 seconds.
Bus, High-Speed Link (HSL) PIPs
290
iSeries Model 830, 840, SB2, and SB3 Problem Analysis, Repair and Parts V5R1
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