... , it can meet subscribers’ difference needs in the “ Three-Network-In-One " and FTTx. It relies on the protect reliability ... the FTTH, FTTP, FTTB and FTTC optical fiber switch-in network...Feature1. Structure performances Technification:GEPON,L2 switch coupler functions, VoIP ... voice over IP(VOIP) callsSupport SIP2.0 VoIP, MGCP, H.3233. CATV ReceiverHigh performance, applicable for multi-channel AM-VSB ...