... 0~50Relative Humidity: 20~90%5.Order InformationF9-120-04FA 4E1 port Multiplexer, 75&120ohm both OK, Optical port: distance:40km, FC ... /PC, SM1310nm, Standalone, 220VAC power supplyF9-120-04F23A 4E1 port Multiplexer, 75&120ohm both OK, 2-port 10/100Mbps line-speed ... , FC/PC, SM1310nm, Standalone, 220VAC power supplyF9-120-04FD 4E1 port Multiplexer, 75&120ohm both OK, Optical port: distance:40km, FC ...