6-2 Sun Datacenter Switch 3456 Service Manual • August 2008
6.2 Troubleshooting Fabric Cards
The status LEDs on the fabric cards can help you determine the problem with the
fabric cards. See
TABLE 6-1.
Additionally, the following commands can provide basic status information:
■ showpresent
■ checkpwrfault
■ checkvoltages
■ checkswitches
■ showtemps
More complex and verbose commands are available for troubleshooting. See the Sun
Datacenter Switch 3456 Administration Guide and Sun Datacenter Switch 3456 Reference
Manual for further information.
TABLE 6-1 Fabric Card Status LEDs
Glyph Name Color State and Meaning
Locator White On – No function.
Off – Normal operation.
Flashing – The fabric card is identifying itself.
Ready-to-Remove Blue On – Fabric card has been disabled and is ready to be removed.
Off – Do not remove
Flashing – No function.
Attention Amber On – Fault detected.
Off – No fault detected.
Flashing – Critical error.
Ok Green On – Normal operation at full power.
Off – Standby voltage, or no power at all applied.
Flashing – No Function.