FlexSym
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OLT-mini Installation and Turnup Guide
Page 18 of 35
LED Behavior
LED
Indications
Comments
FAIL
Red Solid
Board has failed power up self test or has detected a hardware fault and must
be replaced.
Red Blink
Board hardware Initializing and performing Power On Self Test
Dark
Power is off or board is in normal state.
ACTV
Green Solid
The board is up an operating normally.
Green Blink
Fast
The board is initializing.
Green Blink
Slow
The board is performing software download.
Dark
If both ACTV and FAIL are dark the power is off.
PON
LNK
Green Solid
All configured ONTs are ranged on the PON and there are no unexpected
ONTs.
Amber Solid
At least one configured ONT is failed with LOP-LOS or one or more
unexpected ONTs are present on the PON.
Red Solid
All configured ONTs are failed on the PON.
Dark
There are no configured ONTs on the PON or the PON is disabled.
PON
LOS
Green Solid
All ONTs upstream are above the SD threshold and no ONTs are LOS. Missing
or Unexpected ONTs are not reflected in this LED.
Amber Solid
One or more Ranged ONTs are above the SD BER threshold or one or more are
failed.
Red Solid
All configured ONTs are above the SD BER threshold or failed.
