1對(duì)—白蘭 2對(duì)—白桔 3對(duì)—白綠 4對(duì)—白棕 5對(duì)—白灰6對(duì)—紅蘭 7對(duì)—紅桔 8對(duì)—紅綠 9對(duì)—紅棕 10對(duì)—紅灰11對(duì)—黑蘭 12對(duì)—黑桔 13對(duì)—黑綠 14對(duì)—黑棕 15對(duì)—黑灰16對(duì)—黃蘭。5種主色：白色、甘肅張掖同城紅色、甘肅張掖附近黑色、甘肅張掖本地黃色、甘肅張掖當(dāng)?shù)刈仙?種次色：蘭色、甘肅張掖本地桔色、甘肅張掖當(dāng)?shù)鼐G色、甘肅張掖棕色、甘肅張掖同城灰色通信電纜線序色譜認(rèn)識(shí)舉例說(shuō)明：10對(duì)通信電纜色譜線序表1對(duì)—白蘭2對(duì)—白桔3對(duì)—白綠4對(duì)—白棕5對(duì)—白灰6對(duì)—紅蘭7對(duì)—紅桔8對(duì)—紅綠9對(duì)—紅棕10對(duì)—紅灰20對(duì)通信電纜色譜線序表1對(duì)—白蘭2對(duì)—白桔3對(duì)—白綠4對(duì)—白棕5對(duì)。設(shè)計(jì)使用循環(huán)彎曲壽命為500萬(wàn)次,實(shí)際使用已超過(guò)600萬(wàn)次。通常HYA通信電纜分為：10對(duì)，20對(duì)，30對(duì)，50對(duì)，100對(duì)，200對(duì)，300對(duì)。。。。。2400對(duì)。。有一小把是用“白蘭”標(biāo)識(shí)線纏著的，另有5對(duì)線用“白桔”標(biāo)識(shí)纏著。（注意：這25對(duì)用“白蘭”色環(huán)標(biāo)識(shí)線纏著）1對(duì)—白蘭2對(duì)—白桔3對(duì)—白綠4對(duì)—白棕5對(duì)—白灰6對(duì)—紅蘭7對(duì)—紅桔8對(duì)—紅綠9對(duì)—紅棕10對(duì)—紅灰11對(duì)—黑蘭12對(duì)—黑桔13對(duì)—黑綠14對(duì)—黑棕15對(duì)—黑灰16對(duì)—黃蘭17對(duì)—黃桔18對(duì)—黃綠19對(duì)—黃棕20對(duì)—黃灰21對(duì)—紫蘭22對(duì)—紫桔23對(duì)—紫綠。