Baudcom BD-ONU-802RWT-H User Manual page 46

SHANGHAI BAUDCOM COMMUNICATION DEVICE CO.,LTD
Chapter 5 FAQ
1. After power, why are all the lights lit?
Reasons:
1) Power connection errors;
2) Power is not normal.
Solution:
1) Check that the power cable is connected;
2) The rear panel of the power supply is turned on.
2. Why does LED of LAN not light?
Reasons:
1) Network cable is damaged or loose connection;
2) Cable type errors;
3) Long lines outside the allowable range.
Solution:
1) Replace the network cable, and pay attention to the standard Ethernet cable must be
parallel or crossing lines.
3.Why is LED of LOS always blinking?
Reasons:
1) Fiber failure;
2) Center office equipment failure.
Solution:
1) Inspect fiber is connected property, is connected to the correct connector, optical power is
normal;
2) Contact your operator.
5. Why does LED of PON flashes instead of always on?
Reasons:
1) Fiber optic connector is loose;
2) Central office equipment failure;
3) Fiber optic connector is dust.
Solution:
1) Inspect fiber is connected property;
2) Cotton ball with alcohol swabbing fiber optic connectors;
3) Contact your operator.
3. Why does ONU stop working after working for a long time？
Reasons:
1) Power supply is not working properly;
2) The equipment from overheating.
Solution:
1) Check if there is contact with abnormal voltage is too high or too low;
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