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T320 Power Supply LEDs

 

One LED on each power supply faceplate indicated the status of the power supply. In addition, a power supply failure triggers the red alarm LED on the craft interface. Table 1 describes the functions of the power supply LEDs.

Table 1: T320 Power Supply LED

LED

Color

State

Description

DC OK

Blue

Off

No power applied to power supply.

Blinking

  • Power supply LED blinks for five seconds after initial power on.

  • Power supply is installed, but not powered on, and is receiving bias power from a powered on power supply.

  • Input voltage is invalid.

  • Power supply has failed.

On steadily

Power supply is installed correctly and is functioning normally.