... CE,UL,RoHS 10km ~ 160km Optional SFP,GBIC,XFP, SFP Module Material:High temperature thermoplastic Glass fiber, UL94V0Contact:Copper Alloy, Hard ... :Gold flash, 3u'', 6u'', 15u'', 30u'', 50u'', etcElectrical:Current Rating: Signal application onlyVoltage Rating: 120VACDifferenitial impedance:100 OHMS Mechanical:Durability:100 ...