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Power Supply Status LED Indicator Patterns
LED Pattern
Green
Off
1 Hz blinking green
Amber
1 Hz blinking amber
Amber
2 Hz blinking green
Removing and Installing the Front Bezel
The NMS-A-25 engine comes with an optional front panel bezel that can be
attached to the front of the chassis by snapping the bezel onto the chassis
handles. A key lock allows you to lock the bezel in place so that front panel
controls cannot be used. You can still monitor system status indicators with the
bezel in place.
Removing the Front Bezel
To remove the front bezel:
1. Unlock the bezel if it is locked.
2. Remove the left end of the front bezel from rack handle.
3. Rotate the front bezel counterclockwise to release the latches on the right end from
the rack handle.
Installing the Front Bezel
Note: Before installing the bezel, you must install the rack handles. See
Installing the Engine into a
To install the front bezel:
Removing and Installing the Front Bezel
Power Supply Condition
Output on and OK
No AC power to all power supplies
AC present / Only 12VSB on (PS off) or PS in cold redundant state
AC power cord unplugged or AC power lost. With a 2nd PS in parallel
still with AC input power
Power supply warning events where PS continues to operate — high
temp, high power, high current, slow fan
Power supply critical event causing a shutdown, failure, OCP, OVP, fan
fail
Power supply firmware updating
Rack.
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