v BUSCBL2 indicates the connection is a copper HSL cable (it will have yellow connectors) unless stated
differently in a FRU locations table.
v BUSCBL3 indicates the connection is a copper HSL-2 connection (it will have silver connectors).
v BUSCBLx indicates the connection type could not be determined.
Note: When exchanging HSL optical cables use the optical cleaning kit and procedures. See symbolic
FRU “OPT_CLN” on page 407 for additional information. If an interposer card is called for, be sure the
interposer type matches the cable type (optical or copper).
1. Exchange the HSL cable, see HSL cables - concurrent. The cable ports may be displayed in the
location information in the Service Action Log.
Note: When connecting any copper cable between a system unit and an I/O tower, start with the port
of an I/O Tower.
2. If the error has been corrected, then the cable was the failing item. See Verify the repair. If the error
persists, continue with the next step. To see if the error is corrected:
v Select Start a service tool —> Hardware service manager —> Logical hardware resource —>
High-speed link (HSL) resources.
v Move the cursor to the HSL loop containing the cable you just replaced and select Display detail.
v Select F8 to move through the loop until you find the link containing the cable you just replaced in
the Leading Port or Trailing Port display. If the status is ″operational″, then changing the cable fixed
the problem.
3.
Locate the frame type or types on which you are working in the table below. Exchange the HSL loop
connections (external or embedded), or the HSL interposer card. See the Remove and replace
procedure - Cards (concurrent or dedicated) for the model you are working on.
4. If the error has been corrected, then the FRU you replaced was the failing item. See Verify the repair.
If the error persists, call your next level of support.
This
ends the procedure.
Table 1. HSL cable or connections
System model, tower, expansion unit, or machine
type HSL cable or connections
Model 810 with processor features 7428, 7429, or 7430
See Locations — Models 800 and 810
The Network Interface Controller (NIC) is embedded in
the system processor card (position M02).
v There is an HSL ribbon cable from the system unit
backplane (position MB1) to the external HSL ports on
the frame.
v There is an internal HSL connection from the NIC in
the Processor Card to the HSL I/O bridge embedded in
the system unit backplane.
v There is an internal HSL connection from the HSL I/O
bridge component embedded in the system unit
backplane to the HSL ribbon cable port on the system
unit backplane.
Analyze hardware problems 293
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