HYA communication cable

HYA communication cable Standard: YD/T 322-1996 Conductor: Solid Bare copper Insulation: HDPE Twisted Pairs: From 5Pairs to 1200Pairs Cores Assembly(optional ointment filler) Shield: Pe-tap + AL-tap Jacket: LLDPEApplication For outdoor communication system Construction: HYA, HYAT, HYAC.Telecommunication Cable Electric Performance Serial numberItemUnitStranded1 D-C Resistance of each Core( 20ºC) Ω/km Conductor Dia.: 0.4 0.5 0.6 0.7 0.8Max: 148 95 65.8 48.0 36.6 2Imbalance of D-C Resistance upon cores% Conductor Dia.: 0.4 0.5 0.6 0.7 0.8The average less than:1.5Max:5.0 3Insulation resistance between each insulation core and other drain or shield(20ºC)DC100 500VMΩ.km Unfilled filledMin: 10X103 3X103 4Insulation electric DC Exert tension Time Conductor Dia. is between 0.4 0.8mm Between conductor: Conductor Between: kvSolid polyolefin insulation 3s 1min 2.0 1.0 6.0 3.0 5Working Capacitance 0.8kHz or 1kHznF/kmCable nominal pair 10 >10 Max 58 57 Average 52+/-4 52+/-2 6Working Capacitance Difference( 100 pairs and up to 100 pairs filled cable) 0.8kHz or 1kHz %Max: 27Imbalance of Capacitance 0.8kHz or 1kHz Imbalance of Capacitance Between the Every pairs Imbalance of Capacitance Between the Cores and land 25.0 Numbers of nominal pair: 10 >10 Max: 250 250 Max: 2630 2630 The average less than: 570 8Natural attenuation(20ºC) Up to 10 pairs: 150kHz 1024kHz dB/kmConductor Dia.: 0.4 0.5 0.6 0.7 0.8 Solid polyolefin insulation cable the average less than:12.1 9.0 7.2 6.4 5.7 the average less than:27.3 22.5 18.5 15.8 13.7 Solid polyolefin insulation filled cable the average less than:11.7 8.2 6.7 5.7 4.7 the average less than:23.6 18.6 15.8 13.8 12.39 Next 1024kHz Length≥0.3km The Next between pair inside the 10 pairs cable total combinationThe Next between pair inside 12pair,13pair son unit total combinationThe ext between pair inside 20pair,30pair cable or basic unit total combinationThe Next between pair inside close together 12pair and 13pair son unit total combinationThe Next between pair inside close together basic unit total combinationThe Next between pair inside different the big basic unit or son unit total combination dB (M-S) not less than 53(M-S) not less than 54(M-S) not less than 58(M-S) not less than 63(M-S) not less than 64(M-S) not less than 79