... PON+1 port CATV input EDFA, 32 ports of coupled 1550nm /1490nm /1310nm out FTTH,FTTB High-Power Fiber Amplifier,YEDFA FWAP-1550HA ... Series,PON+CATV EDFA Combiner,32 ports of PON+1 port ... out , Each output port for optical amplifier has built-in well-performed CWDM, and 1550nm CATV’s out-put optical port multiplexes ...