布設(she)波分復用器(qi)的(de)說明

如果空間建筑允許，初次布(bu)設(she)的(de)(de)(de)時候應該(gai)布(bu)設(she)足夠(gou)的(de)(de)(de)光(guang)(guang)纖以便于日后擴容采用(yong)(yong)(yong)(yong)。數(shu)據(ju)中(zhong)(zhong)心(xin)和骨干城域(yu)網不(bu)同(tong)，光(guang)(guang)纖放(fang)大(da)(da)器， 骨干城域(yu)網的(de)(de)(de)光(guang)(guang)纜(lan)建設(she)已經完成(cheng)，不(bu)管是(shi)(shi)之(zhi)前思慮不(bu)周還是(shi)(shi)沒(mei)有(you)了望(wang)到更長遠的(de)(de)(de)需(xu)求，地底下被埋設(she)的(de)(de)(de)光(guang)(guang)纜(lan)資源(yuan)都是(shi)(shi)有(you)限(xian)的(de)(de)(de)，因此必須啟用(yong)(yong)(yong)(yong)波(bo)(bo)分(fen)復用(yong)(yong)(yong)(yong)技術(shu)(shu)。但是(shi)(shi)數(shu)據(ju)中(zhong)(zhong)心(xin)不(bu)同(tong)，數(shu)據(ju)中(zhong)(zhong)心(xin)屬于初次建設(she)，光(guang)(guang)纖放(fang)大(da)(da)器報價， 它不(bu)需(xu)要(yao)采用(yong)(yong)(yong)(yong)未來(lai)還不(bu)明確的(de)(de)(de)在哪種速率和帶寬下的(de)(de)(de)波(bo)(bo)分(fen)復用(yong)(yong)(yong)(yong)技術(shu)(shu)。不(bu)能(neng)為波(bo)(bo)分(fen)復用(yong)(yong)(yong)(yong)而去(qu)做波(bo)(bo)分(fen)系統，光(guang)(guang)纖放(fang)大(da)(da)器廠家，波(bo)(bo)分(fen)復用(yong)(yong)(yong)(yong)僅現(xian)有(you)光(guang)(guang)纖資源(yuan)的(de)(de)(de)一個有(you)效(xiao)利用(yong)(yong)(yong)(yong)手段，這(zhe)個手段需(xu)要(yao)付(fu)出很多成(cheng)本代(dai)價，但是(shi)(shi)在現(xian)在的(de)(de)(de)需(xu)求看(kan)來(lai)基本是(shi)(shi)沒(mei)有(you)必要(yao)付(fu)出的(de)(de)(de)。光(guang)(guang)纖放(fang)大(da)(da)器

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波分復用器簡介

在這個光通信(xin)時代，波(bo)(bo)(bo)(bo)分(fen)復用(yong)器(qi)是(shi)無源器(qi)件之(zhi)一(yi)。波(bo)(bo)(bo)(bo)分(fen)復用(yong)器(qi)也是(shi)光纖(xian)通信(xin)傳(chuan)輸的***器(qi)件之(zhi)一(yi)。波(bo)(bo)(bo)(bo)分(fen)復用(yong)器(qi)是(shi)使用(yong)2個和(he)2個以上的波(bo)(bo)(bo)(bo)長(chang)光信(xin)號合(he)并到(dao)同一(yi)條(tiao)光纖(xian)進行傳(chuan)輸的光無源器(qi)件。濾波(bo)(bo)(bo)(bo)片波(bo)(bo)(bo)(bo)分(fen)復用(yong)器(qi)的型號有：粗波(bo)(bo)(bo)(bo)分(fen)復用(yong)器(qi)和(he)密集波(bo)(bo)(bo)(bo)分(fen)復用(yong)器(qi)。而(er)(er)粗波(bo)(bo)(bo)(bo)分(fen)復用(yong)器(qi)又分(fen)為：三端(duan)口波(bo)(bo)(bo)(bo)分(fen)復用(yong)器(qi)，迷你波(bo)(bo)(bo)(bo)分(fen)復用(yong)器(qi)，普通波(bo)(bo)(bo)(bo)分(fen)復用(yong)器(qi)等。而(er)(er)特點(dian)是(shi)低插(cha)入損耗，高(gao)隔離度等。光纖(xian)放大器(qi)

粗波分復用結構分析

DWDM從結(jie)構(gou)上分，目前有集成(cheng)系(xi)(xi)(xi)統(tong)和(he)開(kai)(kai)放(fang)(fang)(fang)系(xi)(xi)(xi)統(tong)。集成(cheng)式(shi)系(xi)(xi)(xi)統(tong)：要(yao)求(qiu)接(jie)入的(de)(de)單(dan)光(guang)(guang)傳輸設備終端的(de)(de)光(guang)(guang)信號(hao)是(shi)滿足G．692標(biao)準的(de)(de)光(guang)(guang)源。開(kai)(kai)放(fang)(fang)(fang)系(xi)(xi)(xi)統(tong)，是(shi)在(zai)合波(bo)(bo)器(qi)前端及分波(bo)(bo)器(qi)的(de)(de)后(hou)端，加波(bo)(bo)長(chang)(chang)轉移(yi)單(dan)元(yuan)OTU，將(jiang)當(dang)前通(tong)常使(shi)用(yong)(yong)(yong)的(de)(de)G．957接(jie)口波(bo)(bo)長(chang)(chang)轉換(huan)(huan)為G．692標(biao)準的(de)(de)波(bo)(bo)長(chang)(chang)光(guang)(guang)接(jie)口。這樣，開(kai)(kai)放(fang)(fang)(fang)式(shi)系(xi)(xi)(xi)統(tong)采用(yong)(yong)(yong)波(bo)(bo)長(chang)(chang)轉換(huan)(huan)技術？使(shi)任意滿足G．957建議(yi)要(yao)求(qiu)的(de)(de)光(guang)(guang)信號(hao)能運(yun)用(yong)(yong)(yong)光(guang)(guang)－電－光(guang)(guang)的(de)(de)方法(fa)，光(guang)(guang)纖放(fang)(fang)(fang)大(da)器(qi)資料，通(tong)過(guo)波(bo)(bo)長(chang)(chang)變換(huan)(huan)之(zhi)后(hou)轉換(huan)(huan)至滿足G．692要(yao)求(qiu)的(de)(de)規范波(bo)(bo)長(chang)(chang)光(guang)(guang)信號(hao)，再通(tong)過(guo)波(bo)(bo)分復用(yong)(yong)(yong)，從而在(zai)DWDM系(xi)(xi)(xi)統(tong)上傳輸。光(guang)(guang)纖放(fang)(fang)(fang)大(da)器(qi)