AN5506-04-A GPON Optical Network Unit User Manual
4-2
Version: A
Q: LAN indicator LED is off.
A:
1) Check whether the network cable is damaged or its connection is
loose.
2) Check whether the network cable is made correctly. If it is
incorrect, replace it with a new network cable made according to
the standard method (for making a CAT 5 twisted-pair cable).
3) Check whether the network cable length exceeds allowable range.