27
LEDs
The following table describes the meaning and states of the LEDs on the front panel of
the DSLAM chassis. For individual card LEDs, see the appropriate card Installation
Instructions.
LED
LED is . . .
Indicating . . .
PWR A
Green
Off
Normal operation for Power Source A.
Low, high, or no voltage for Power Source A.
PWR B
Green
Off
Normal operation for Power Source B.
Low, high, or no voltage for Power Source B.
FAN ALM
Yellow
Off
Fan failure or a single fan in the Fan Module is
working at less than 50% of its normal output.
Normal operation or no power to mounting.