AN5506-04-F GPON Optical Network Unit User Manual
4-2 Version A
2) The upstream equipment is faulty.
3) The optical power is out of the normal range (such as
overload).
Q: Why does the Battery indicator blink or turn off?
A: 1) If the Battery indicator blinks, the battery works abnormally or
the voltage is over low. In the case, charge the battery in time.
2) If the Battery indicator turns off, check whether the power
cable connection is correct and whether the storage battery is
faulty.
Q: Why is the LAN indicator off?
A: 1) Check whether the network cable is damaged or the
connection is loose.
2) Check whether the network cable is made correctly. If it is
incorrect, refer to the standard method to make a Cat. 5
twisted-pair cable and use the new network cable.
3) Check whether the network cable exceeds the length range.