Features: UL approved 19 inch 4U rackmount Meets TIA/EIA-568B.2/568B.2-1 Cat.6 ISO/IEC 11801 and EN 50173-1 specification Support T568A & B wiring Wire diameter : 22 ~ 26AWG Insulation diameter range : 0.70 to 1.40mm Jack contacts : Phosphor bronze, 50micron gold plate over nickel plating. IDC contacts : Phosphor bronze, 50micron gold plate over nickel plating. Safty : UL1863 Flamability : UL 94 VO Operating temperature : -40 to +70 dgree Celsius Weight : 1.55LBS Mounting Hinge: 102227 25 years warranty