IEEE 802.3ah EPON
China telecom/Unicom GEPON standard
20Km for single fibber
Access 64 terminals for single
fibber PON
Uplink and downlink
triple churning encrypted function
ONU terminal legitimacy certification, report illegal ONU registration
DBA algorithm
Standard OAM and extended OAM
ONU batch software upgrade, fixed
time upgrade, real time upgrade
PON transmit and inspect receiving
optical power
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