utpcat5e network cable

Structure Description:?? ☆ stranded bare copper or single soft copper conductor ??? ☆ Optional insulation (solid polyolefin, chlorine-free low smoke flame retardant polyolefin, polyethylene FEP) ??? ☆?? optional jacket material (PVC, chlorine-free low smoke flame-retardant polyolefin, fluoropolymer) ☆ choose Ripcord reference standard:??? UL758, UL1581, UL444, TIA / EIA-568 CSA C22? .2, ISO / IEC 11801 YD / T1019-2001 electrical properties (electric capability):? DC resistance unbalance (Unbaiance of DCresistance) ≤2.5% Insulation Resistance (Insulated resistance) ≥5000MΩ · km ???? Capacitance ( Work capacitance) ≤5.6nF / 100m ???? line-to-ground capacitance unbalance (Unbalance capacitance between wire and earth) ≤330pF / 100m ???? cable installation temperature (Temperature for dixing cable): 0 ~ 50 ℃ ?? ?? frequency requirement impedance (Ω) maximum attenuation (dB / 100m) NEXT (dB) Worst maximum DC resistance (100m / 20 ℃) ??256kHz - 1.1 - 9.38Ω 512kHz - 1.5 - 772kHz - 1.8 66 1MHz 85 ~ 115 2.1 64 4MHz 4.3 55 10MHz 6.6 49 16MHz 8.2 46 20MHz 9.2 44 31.25MHz 11.8 42 62MHz 17.1 37 100MHz 22.0 34 Uses: ??? digital communication horizontal than the cable, due to the building cabling system Workspace communication terminals and user communication handover between outgoing wire between the patch panel, and residential end cabling system wiring between the patch panel, in order to meet the different needs of users, this cable shielding and unshielded, plus When using shielded cable from outside interference will reduce errors, shielded cables are generally used in hospitals, telecommunications, airports and other places. Standard wiring length of these lines is 90m, the general T568A or T568B installed.