Power Supply (PEM) LEDs
Each power supply has two LEDs on the cra interface that indicate its status. The LEDs—labeled 0
through 3—are located on the cra interface next to the PEM label. Table 9 on page 33 describes the
funcons of the power supply LEDs on the cra interface.
Table 9: Power Supply LEDs on the Craî™› Interface
Label Status Descripon
OK Green Power supply is funconing normally.
O Power supply in not installed.
FAIL Red Power supply has failed.
O Power supply is not installed or funconing normally.
Switch Fabric LEDs and Control Buons
Each Switch Fabric module has two LEDs on the cra interface that indicates its status. The LEDs—OK
and FAIL—are associated with control buons and are located along the boom of the cra interface.
You can turn the SF modules on or o by pressing these buons on the cra interface.
Table 10 on page 33 describes the status of the SF module LEDs.
Table 10: Switch Fabric Module LEDs on the
Craî™› Interface
Label Status Descripon
OK Green On steadily—The SF module is funconing
normally.
Blinking—The SF module is coming online or
going oine.
Unlit The SF module is not online.
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