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    公司介紹

    行業動態

    光纖是怎么到你家的?

    作者: 來源: 日期:2018/8/9 11:10:07 人氣:93 加入收藏 評論:0 標簽:

    這么熱的天,你一定都不想出門吧,在家里吹著空調上著網,看著高清IPTV,刷著朋友圈,但你知道光纖寬帶是怎么到你家的嗎?


    一根細細的光纖要走進尋常百姓家,可不容易啊!


    光纖到家叫FTTH(Fiber To The Home),它指從運營商的OLT機房直接把光纖接到用戶的家中的ONU。



    OLT機房和ONU之間的網絡稱為ODN(Optical Distribution Network)光配線網,光配線網由光交接箱、光接頭盒、光配線箱、光纜等多種設備組成,在OLT和ONU之間提供傳輸通道。


    在ODN中,光纜是光信號傳輸最底層的基礎設施,分為主干光纜、配線光纜和入戶光纜。


    主干光纜


    主干光纜:就是饋線光纜,是指從端局到光交接箱之間的那段光纜,一般選用通用室外型的光纜,主干光纜纖芯數會比較多,少則上百芯,多則幾百芯,甚至上千芯。 


    主干光纜的敷設通常包括管道、直埋和架空方式。



    配線光纜


    配線光纜:是指從光交接箱到光配線箱之間的那段光纜,一般選用通用室外型的光纜。


    配線光纜施工方式參考主干光纜。在城市的樓與樓之間,我們經常能看到沿著現有管道或外墻壁綁扎整齊牢固的配線光纜。


    入戶光纜


    入戶光纜:就是皮線光纜,是指連接到用戶家中的單芯或多芯皮線光纜。



    一般FTTH入戶光纜采用蝶形光纜,通常具備彎曲性能好、抗側壓、抗扭曲、結構簡單、方便開剝、具備現場成端光纖端接功能等,這也便于在室內環境下通過豎井、暗管、明管、線槽或室內釘固方式等敷設,提升用戶對施工的滿意度。


    不管哪一段光纜,通信人在施工的時候,都必須遵照嚴格的驗收標準執行,以保證工程質量,為用戶提供更高質量的服務。



    在ODN里,光纜連接OLT、光交箱、光接頭盒、光配線箱等各種設備,經過各種分纖、跳線、掏接、測試等步驟,最終將光信號送到你家里。


    光纖終于到你家了...



    但還沒有完,接下來寬帶裝維工程師們還要完成光纖接續成對,以連接你家的光貓,開通用戶端。


    一般操作流程如下:



    剝線


    清潔光纖


    切割光纖


    熔接


    現在,將光貓連接到你家的WiFi路由器你就可以上網了。


    經過長距離傳輸,各種設備轉發,光纖終于到你家了。


    光纖到家不容易,可更不容易的是那群建設和維護光纖網絡的通信人。


    如上所知,ODN網絡主要分布在室外,建設和維護ODN網絡的通信人不得不長期奔波于野外,無論風吹日曬、刮風下雨,他們都必須堅守一線,為千家萬戶上網保駕護航。


    時值酷暑盛夏,當你在家里一邊開著空調一邊上網時,正是這群人,頂著烈日,為你撐起了一個完美的夏天。



    所以,如果遇到上不了網,或者網速慢,請不要著急,不要上火,更不要投訴。他們一定會幫你處理好,他們正在趕來的路上,肯定在忙,你們催,他們也急。希望大家體諒一下,他們真的很努力。


    這個夏天,感謝空調,感謝WiFi,更要感謝這群在背后默默支撐著高速上網的人!


      本文網址:http://www.gxkspx.com/show.asp?id=196
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