... .good price ethernet optical modemSpecifications fiber modem, optical modem fiber converter, media converter PDH, fiber mux, fom, fiber multiplexer, optical muxOptical Fiber ... 64Kbps to 2,048Kbps.TECHNICAL SPECIFICATION:(1)G.703 E1 interface Rate: n*64Kbit/s (n=1~32) ... . Please specify when ordering).Clock mode Master, external and salve clocks optional(3)Fiber interfaceInterface: FC/SCWavelenth: ...