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 TABLE6-1.
Additionally,the following commands can provide basic status information:
■showpresent
■checkpwrfault
■checkvoltages
■checkswitches
■showtemps
Morecomplex and verbosecommands are available for troubleshooting. See the Sun
Datacenter Switch 3456 Administration Guide and Sun Datacenter Switch 3456 Reference
Manual for further information.
TABLE6-1 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 disabledand is readyto be removed.
Off– Do notremove
Flashing – No function.
Attention Amber On – Fault detected.
Off– No faultdetected.
Flashing – Critical error.
Ok Green On– Normaloperation at full power.
Off– Standby voltage, or no power at all applied.
Flashing – No Function.