v HSL I/O Bridge on a Model 830 (see “SIIOADP” on page 585).
v Network interface controller (NIC) on a Model 840 (see “SICNTRL” on
page 584).
Then go to step 79 on page 298 of this procedure.
59. Is the first failing resource an I/O expansion tower?
Yes No
↓ Go to step 74 on page 297 of this procedure.
60. Locate and move to the frame identified in column ’A’ for the first failing
resource. Label the cables so you can restore them later.
61. Disconnect the HSL cables.
62. 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 64 of this procedure.
63. Wait at least 30 seconds.
64. Connect each of the cables to the other port (the one to which the other cable
was originally attached). The following will now be true:
v The cable originally connected to port 0 will now be connected to port 1.
v The cable originally connected to port 1 will now be connected to port 0.
Attention: You must fully connect the cable and tighten the connector’s
screws within 30 seconds of when the cable makes contact with the port. If
you do not the link will fail and you must disconnect and reconnect again. If
the connector screws are not tightened errors will occur on the link and it will
fail.
65. Refresh the port status by:
a. Wait 1 minute.
b. Select the Cancel function until you return to ″Logical Hardware Resources
Associated with HSL Loops″.
c. Select the Refresh function.
d. Select the Display detail option for the first failing resource.
66. For the first failing resource, did the failing port number change?
Yes No
↓ Exchange the HSL I/O Bridge in the frame of the first failing resource
(see “SIIOADP” on page 585). Then go to step 79 on page 298 of this
procedure.
67. Is the HSL cable an optical HSL cable?
Yes No
↓ Go to step 69 of this procedure.
68. Examine the state of the LEDs associated with the optical ports where the
HSL cable connections are by performing the following: Determine which
LEDs to examine using the 13 table.
Examine both LEDs at the ports for each end of the optical cable. Are all four
(4) LEDs lighted?
No Yes
Bus, High-Speed Link (HSL) PIPs
296
iSeries Model 830, 840, SB2, and SB3 Problem Analysis, Repair and Parts V5R1
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