IBM 2109 Service Guide - Page 115

portLoopbackTest, Port register test, Push button test, DIAG-TIMEOUT, DIAG-ERRSTAT, DIAG-STATS

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0x10199a10 len 13091456 ramTest: passed Figure 39. ramTest Related error messages: DIAG-MEMORY, DIAG-MEMSZ, DIAG-MEMNULL. portLoopbackTest The portLoopbackTest command verifies the intended functional operation of the switch by sending frames from the transmitter on each port back to the receiver on the same port using an internal hardware loopback. Pressing Enter while the portLoopbackTest is selected displays a reminder to take the switch offline, if it is not offline. If the message is displayed, take the switch offline. The portLoopbackTest command is an internal test that continues to run until you press any button. While the test is running, all GBIC module front-panel LEDs rapidly flicker green; that indicates that the test is finding no errors and is processing. To stop the test, press any button. The panel activates the display shown in Figure 40. Port Loopback Test: Aborted Figure 40. portLoopbackTest command example Related error messages: DIAG-INIT, DIAG-PORTDIED, DIAG-XMIT, DIAG-TIMEOUT, DIAG-ERRSTAT, DIAG-STATS, DIAG-DATA, DIAG-PORTABSENT. Port register test Figure 41 shows the portRegTest command, which checks each register and static memory that are located on the system board. Registers are set under firmware control and control the hardware route selection and other internal hardware functions. Attention: This command cannot be performed on an operational switch. Before issuing the portRegTest command, disable the switch by using the switchDisable command. Disabling the switch halts all operation on the switch. This test validates that all registers can be successfully accessed. switch:admin> portRegTest Running Port Register Test . . . . . .passed. Figure 41. portRegTest command example Related error messages: DIAG-REGERR, DIAG-REGERR_UNRST, DIAG-BUS_TIMEOUT. Push button test Pressing Enter while the push button test is running activates the display shown in Figure 42 on page 100. Appendix B. Diagnostics 99

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Related error messages
: DIAG-MEMORY, DIAG-MEMSZ, DIAG-MEMNULL.
portLoopbackTest
The
portLoopbackTest
command verifies the intended functional operation of the
switch by sending frames from the transmitter on each port back to the receiver on
the same port using an internal hardware loopback.
Pressing Enter while the
portLoopbackTest
is selected displays a reminder to take
the switch offline, if it is not offline. If the message is displayed, take the switch
offline.
The
portLoopbackTest
command is an internal test that continues to run until you
press any button. While the test is running, all GBIC module front-panel LEDs
rapidly flicker green; that indicates that the test is finding no errors and is
processing.
To stop the test, press any button. The panel activates the display shown in
Figure 40.
Related error messages:
DIAG-INIT, DIAG-PORTDIED, DIAG-XMIT,
DIAG-TIMEOUT, DIAG-ERRSTAT, DIAG-STATS, DIAG-DATA, DIAG-PORTABSENT.
Port register test
Figure 41 shows the
portRegTest
command, which checks each register and static
memory that are located on the system board. Registers are set under firmware
control and control the hardware route selection and other internal hardware
functions.
Attention:
This command cannot be performed on an operational switch. Before
issuing the
portRegTest
command, disable the switch by using the
switchDisable
command. Disabling the switch halts all operation on the switch.
This test validates that all registers can be successfully accessed.
Related error messages:
DIAG-REGERR, DIAG-REGERR_UNRST,
DIAG-BUS_TIMEOUT.
Push button test
Pressing Enter while the
push button
test is running activates the display shown in
Figure 42 on page 100.
0x10199a10 len 13091456
ramTest: passed
Figure 39. ramTest
Port Loopback Test: Aborted
Figure 40. portLoopbackTest command example
switch:admin> portRegTest
Running Port Register Test
......
passed.
Figure 41. portRegTest command example
Appendix B. Diagnostics
99