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7-2 Sun Datacenter Switch 3456 Service Manual • August 2008
You must inspect the front and back line card connectors, and retainers before
installing the line card into the switch chassis.
7.2 Troubleshooting Line Cards
The status LEDs on the line cards can help you determine the problems with the line
cards. See
TABLE 7-1.
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 7-1 Line Card Status LEDs
Glyph Name Color State and Meaning
Locator White On – No function.
Off – Normal operation.
Flashing – The line card is identifying itself.
Ready-to-Remove Blue On – Line 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.
N/A Link Green On – Link established.
Off – No link or link down.
Flashing – Symbol error.