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Chapter 5. Fault monitoring and diagnostics
Fault monitoring, diagnostic tests, and system status indicators simplify switch
management and ensure the availability of the M12 and M14 switches.
Diagnostic tests
Diagnostic testing occurs in three areas: power-on self test (POST), switch level
testing, and manufacturing tests.
v The POST tests are blade oriented and ensure that the switch is ready for use.
v Switch level tests are done at the user port level. The tests rely on the standard
v Manufacturing support includes long duration testing.
System status indicators
LEDs on the noncable side of the switch summarize the system status of each
switch blade assembly, each CP blade assembly, and each power supply module.
The blowers, which are accessible on the noncable side, also have LEDs that
indicate their status.
Cable-side LEDs
Table 4 describes the appearance of the LEDs on the cable side of the system:
© Copyright IBM Corp. 2004
Testing is performed on physical ports.
Fabric OS support to provide routing and port setup.
Table 4. Cable side LEDs
LED location
System status panel
CP blade assembly
Each port on a switch card
Indication
v Green indicates that the blade assembly
has power.
v Amber indicates that the blade assembly
needs attention.
Contains two additional LEDs for its Ethernet
ports
v Green indicates link speed.
– On indicates 100 Mbps operation.
– Off indicates 10 Mbps operation.
v Amber indicates link status.
– Solid on indicates a link is not good.
– Flashing indicates a link is OK.
– Off indicates that no link is detected.
Contains two LEDs.
v Top LED:
– Green indicates 2.125 Gbps.
– Off indicates 1.0625 Gbps.
v Bottom LED:
– Green indicates the port is operational.
– Amber indicates the port is off or
disabled.
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