G.703 E1, V35 optical fiber modem PDH, fiber mux, fom, fiber multiplexer, optical multiplexer fiber converter, media converter Optical Fiber ModemOP-FE1 Fiber Modem Modulate 1 E1 signal to ... feature:Comply with G.832 standards. ConnectorQ9(75Ω),RJ45(120Ω) Frame structure:Optional (2)V.35 data interfaceRate: N*64Kbit/s ...