Comm-Pip1 - IBM i 830 Repair Manual

Communications PIPs
DANGER
DANGER
DANGER

COMM-PIP1

Note: Determine if the system has logical partitions. Go to "Determining if the
Note: If the system has logical partitions, perform this procedure from the logical
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iSeries Model 830, 840, SB2, and SB3 Problem Analysis, Repair and Parts V5R1
To prevent a possible electrical shock during an electrical storm, do not
connect or disconnect cables or station protectors for communications lines,
display stations, printers, or telephones. (RSFTD003)
To prevent a possible electrical shock from touching two surfaces with
different electrical grounds, use one hand, when possible, to connect or
disconnect signal cables. (RSFTD004)
To prevent power from switching on automatically during service procedures,
select manual or secure mode on the system unit control panel or disconnect
the cables that connect to J15 and J16 on the frame being serviced.
(RSFTD211)
System Has Logical Partitions" on page 943, before continuing with this
procedure.
partition that reported the problem.
1. To determine which communications hardware to test, use the SRC from the
problem summary form, or problem log, For details on line description
information, see the "Starting a Trace" section of "Work with Communications
Trace" in the iSeries Service Functions information.
2. Perform the following:
a. Vary off the resources.
b. Go to the Start a Service Tool display.
c. Select the Hardware service manager option.
d. Select the Logical hardware resources option.
e. Select the System bus resources option.
f. Select the Resources associated with IOP option for the attached IOPs in the
list until you display the suspected failing hardware.
g. Select the Verify option on the hardware you want to test.
Note: The Verify option may be valid on the IOP, IOA, or port resource.
When the Verify option is valid on the IOP resource, any replaceable
memory will be tested. Communications IOAs are tested by using
the Verify option on the port resource.
3. Run the IOA/IOP test(s). This may include any of the following:
v Adapter internal test.
v Adapter wrap test (requires adapter wrap plug- available from IBM or your
Hardware Service Provider).
v Processor internal test.
v Memory test.