You must inspect the front and back line card connectors, and retainers before installing the line card into the switch chassis.

7.2Troubleshooting Line Cards

The status LEDs on the line cards can help you determine the problems with the line cards. See TABLE 7-1.

TABLE 7-1Line 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.

 

 

 

 

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.

7-2Sun Datacenter Switch 3456 Service Manual • August 2008

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Sun Microsystems 820-4733-10 service manual Troubleshooting Line Cards, 1Line Card Status LEDs