In GPON network, which of the following reasons may cause ONU to fail to go online?

In GPON network, which of the following reasons may cause ONU to fail to go online?
A . The optical power received by the ONU is greater than the overload optical power.
B . The optical power received by the ONU is less than the sensitivity value
C . There is abnormal attenuation on the ODN line.
D . The ODN line is too long and exceeds the online distance set by the system.

View Answer

Answer: A,B,C,D