... PDH Multiplexer1.OverviewPDH Multiplexer can multiplex 4/8/16E1,Ethernet (2*10/100Mbps) and V.35 signals in one fiber channel to ... 0~50Relative Humidity: 20~90%5.Order InformationF9-120-04FA 4E1 port Multiplexer, 75&120ohm both OK, Optical port: distance:40km, FC ... :40km, FC/PC, SM1310nm, Standalone, 220VAC power supplyF9-120-04FD 4E1 port Multiplexer, 75&120ohm both OK, Optical port: distance:40km, FC ...