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32 Quick Start Guide
Maintenance and Diagnostic Tests
The FC 16B does not require any regular physical maintenance, and is
designed to minimize the chance of failure, including diagnostic tests and
field-replaceable units.
Diagnostic tests are provided to help troubleshoot the hardware and the
firmware. The diagnostic tests provided on the switch include tests of
internal connections and circuitry, fixed media, and any SFP modules and
fiber optic cables in use. The tests are implemented by command, either
through a telnet session or through a terminal set up for a serial connection
to the switch. Some tests require the ports to be connected by external
cables, to allow diagnostics to verify the serializer/deserializer interface, as
well as the attached SFP and cable.
All diagnostic tests are run at link speeds of both 1 Gbps and 2 Gbps. For
detailed information about the specific diagnostic tests and how to run
them, refer to the Fabric OS Procedures Guide.
Test Command Description
Error Log errDump Displays the error log without
page breaks.
Switch Offline switchDisable Sets the switch to offline state
necessary to run certain switch
diagnostics.
Memory Test ramTest Checks CPU RAM memory. Run
offline or online.
Port Register
Test
portRegTest Checks that the registers and static
memory in each ASIC can be
successfully accessed. Run
offline.
Central Memory
Test
centralMemoryTest Checks that the central memory in
each ASIC can be successfully
accessed. Run offline.
Control Message
Interface (CMI)
Conn Test
cmiTest Verifies that control messages can
be sent from ASIC to ASIC.
Run offline.