Avid Technology MEDIAswitch, Manual, Page: 10 / 34

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Other LED indications:
Again, the switch will need to be replaced.
NOTE: When all memory and other internal tests successfully complete, the port LED’s are
turned OFF. The MEDIAswitch is now ready for operation. When a device establishes successful
communication with a port, that port LED will turn ON solidly, indicating that it is operational and
working successfully.
LED Indications
After all self-tests have completed, the port LEDs are turned OFF . The port LEDs then begin to
indicate Fibre Channel link states.
For a loop port, the port LED will begin blinking as it goes into loop arbitration. It will go to ON as
long as the loop is operational. An OFF LED indicates that it is resetting the hardware. Then it will
re-initialize the ports and start the process over again.
For a point-to-point connection, when the port is activated its LED will begin blinking (it may take
up to 10 seconds for some hardware devices to properly set up and begin communicating).
During this time and until the communication begins, the LED will blink.
A blinking Power LED indicates that a power supply has gone offline or that a brownout has
occurred. If there is a redundant power supply, it will have taken over. (Note: This LED will
continue to blink even if the offline power supply comes back online or until power is cycled.)
Check the Event Message log through SNMP to see if a message was logged. If this situation
happens repeatedly, it can mean that the power supply is failing.
A fast-blinking Fault LED (about two blinks per second) indicates that a system fan has stopped
running and the redundant fan has taken over.