定做通信電纜 礦用通訊電纜供應(yīng)
HYA通信電纜的特點(diǎn):HYA型市內(nèi)通信電纜采用全色譜絕緣,鋁塑綜合護(hù)套(即電纜的縱包屏蔽鋁帶與護(hù)套粘結(jié)成一體,形成密封護(hù)層),具有電氣性能*,施工方便的特點(diǎn)。
50對(duì)通信電纜色譜線序:說(shuō)明:50對(duì)的通信電纜要注意了,50對(duì)通信電纜里有2種標(biāo)識(shí)線,前25對(duì)是用“白蘭”標(biāo)識(shí)線纏著的,后25對(duì)是用“白桔”標(biāo)識(shí)線纏著的。(注意:這25對(duì)用“白蘭”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24對(duì)—紫棕25對(duì)—紫灰(用“白桔”標(biāo)識(shí)線纏著)26對(duì)—白蘭27對(duì)—白桔28對(duì)—白綠29對(duì)—白棕30對(duì)—白灰31對(duì)—紅蘭32對(duì)—紅桔33對(duì)—紅綠34對(duì)—紅棕35對(duì)—紅灰36對(duì)—黑蘭37對(duì)—黑桔38對(duì)—黑綠39對(duì)—黑棕40對(duì)—黑灰41對(duì)—黃蘭42對(duì)—黃桔43對(duì)—黃綠44對(duì)—黃棕45對(duì)—黃灰46對(duì)—紫蘭47對(duì)—紫桔48對(duì)—紫綠49對(duì)—紫棕50對(duì)—紫灰
屏蔽通信電纜: 屏蔽通信電纜型號(hào)HYAP、HYVP、HYYP、HJYVP、HYAP22、HYVP22、 ZR-HYVP、HYAP2、HYVP2 屏蔽通信電纜執(zhí)行標(biāo)準(zhǔn):YD/T322-1996 屏蔽通信電纜結(jié)構(gòu)特點(diǎn): HYAP型市內(nèi)通信電纜采用全色譜絕緣,鋁塑綜合護(hù)套(即電纜的縱包屏蔽鋁帶與護(hù)套粘結(jié)成一體,形成密封護(hù)層),具有電氣性能*,施工方便的特點(diǎn)。 屏蔽通信電纜主要電氣性能: 1.屏蔽通信電纜直流電阻:20℃,0.5mm銅線,小于等于95Ω/km。 2.屏蔽通信電纜絕緣電氣強(qiáng)度:導(dǎo)體之間1min 1kv不擊穿 導(dǎo)體與屏蔽1min 3kv不擊穿 3.屏蔽通信電纜絕緣電阻:每根芯線與其余線芯接地,HYA電纜大于10000MΩ.km,HYAT電纜大于3000MΩ.km。 4.屏蔽通信電纜工作電容:平均值 52±2nF/km 5.屏蔽通信電纜遠(yuǎn)端串音防衛(wèi)度:150kHZ時(shí)組合的功率平均值大于69dB/km。