【單模光纖(xian)(xian)收(shou)(shou)發(fa)(fa)器(qi)】單模光纖(xian)(xian)收(shou)(shou)發(fa)(fa)器(qi)簡介(jie) 單模光纖(xian)(xian)收(shou)(shou)發(fa)(fa)器(qi)的(de)常見分類(lei)

單模光纖收發器簡介

光纖收發器的(de)(de)(de)(de)(de)種類也很繁(fan)雜。光纖(xian)(xian)(xian)網(wang)(wang)(wang)絡(luo)的(de)(de)(de)(de)(de)發展成為(wei)(wei)了一(yi)(yi)個必然(ran)的(de)(de)(de)(de)(de)趨勢，故此現在(zai)的(de)(de)(de)(de)(de)企(qi)業在(zai)自身網(wang)(wang)(wang)絡(luo)建設(she)時(shi)就(jiu)直接使用光纖(xian)(xian)(xian)作為(wei)(wei)傳輸(shu)介質來建立(li)骨干網(wang)(wang)(wang)，還有很多(duo)企(qi)業基于商業的(de)(de)(de)(de)(de)需要也紛紛升級原(yuan)有的(de)(de)(de)(de)(de)網(wang)(wang)(wang)絡(luo)。但(dan)是(shi)出于資金、人力或時(shi)間的(de)(de)(de)(de)(de)考慮，很多(duo)企(qi)業用戶都(dou)迫切需要一(yi)(yi)種廉價的(de)(de)(de)(de)(de)方案，既能將成本降低，同(tong)時(shi)也讓原(yuan)有的(de)(de)(de)(de)(de)設(she)備得到最大的(de)(de)(de)(de)(de)保值。　所以很多(duo)的(de)(de)(de)(de)(de)企(qi)業的(de)(de)(de)(de)(de)做法就(jiu)是(shi)主(zhu)干網(wang)(wang)(wang)為(wei)(wei)光纖(xian)(xian)(xian)，而內部(bu)局域(yu)網(wang)(wang)(wang)的(de)(de)(de)(de)(de)傳輸(shu)介質一(yi)(yi)般(ban)為(wei)(wei)銅線(xian)、雙(shuang)絞線(xian)。但(dan)如何實現局域(yu)網(wang)(wang)(wang)同(tong)光纖(xian)(xian)(xian)主(zhu)干網(wang)(wang)(wang)相(xiang)連呢？這就(jiu)需要在(zai)不(bu)同(tong)端口、不(bu)同(tong)線(xian)形、不(bu)同(tong)光纖(xian)(xian)(xian)間進行(xing)轉(zhuan)換并(bing)保證鏈接質量。光纖(xian)(xian)(xian)收發器是(shi)一(yi)(yi)種將短距(ju)離(li)的(de)(de)(de)(de)(de)雙(shuang)絞線(xian)電信號和長距(ju)離(li)的(de)(de)(de)(de)(de)光信號進行(xing)互(hu)換的(de)(de)(de)(de)(de)以太(tai)網(wang)(wang)(wang)傳輸(shu)媒體轉(zhuan)換單元，在(zai)很多(duo)地方也被稱(cheng)之為(wei)(wei)光電轉(zhuan)換器或光纖(xian)(xian)(xian)轉(zhuan)換器（Fiber Converter）。

簡單的講，光纖收發器一端是接光傳輸系統，另一端（用戶端）出來的是10/100M以太網接口，其主要原理是通過光電耦合來實現的，對信號的編碼格式沒有什么變化。光纖收發器具有提供超低時延的數據傳輸、對網絡協議完全透明、多采用專用ASIC芯片實現數據線速轉發、設備多采用1+1的電源設計等等的優點，支持超寬電源電壓，實現電源保護和自動切換。同(tong)時支(zhi)持超寬的工作溫度范(fan)圍，支(zhi)持0～120公里(li)齊全的傳(chuan)輸(shu)距離。

單模(mo)收發器(qi)(qi)覆蓋(gai)的(de)(de)范(fan)圍可以(yi)從(cong)20公(gong)(gong)里至120公(gong)(gong)里。需要(yao)指出的(de)(de)是因傳輸距離的(de)(de)不同(tong)，光纖收發器(qi)(qi)本身的(de)(de)發射功(gong)(gong)率(lv)、接(jie)收靈(ling)敏(min)度(du)(du)和(he)使用(yong)波長也會不一樣(yang)。如20公(gong)(gong)里光纖收發器(qi)(qi)的(de)(de)發射功(gong)(gong)率(lv)一般在(zai)-15～-7db之(zhi)間(jian)(jian)，接(jie)收靈(ling)敏(min)度(du)(du)為-30db，使用(yong)1310nm的(de)(de)波長；而120公(gong)(gong)里光纖收發器(qi)(qi)的(de)(de)發射功(gong)(gong)率(lv)多在(zai)-5～0dB之(zhi)間(jian)(jian)，接(jie)收靈(ling)敏(min)度(du)(du)為-38dB，使用(yong)1550nm的(de)(de)波長。

常見分類

光(guang)(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)(xian)(xian)收(shou)發(fa)(fa)(fa)(fa)(fa)器(qi)(qi)的(de)(de)(de)(de)(de)種類很繁雜，按(an)(an)速(su)率來分(fen)(fen)(fen)，光(guang)(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)(xian)(xian)收(shou)發(fa)(fa)(fa)(fa)(fa)器(qi)(qi)可以(yi)(yi)分(fen)(fen)(fen)為(wei)單10M、100M的(de)(de)(de)(de)(de)光(guang)(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)(xian)(xian)收(shou)發(fa)(fa)(fa)(fa)(fa)器(qi)(qi)、10/100M自適應的(de)(de)(de)(de)(de)光(guang)(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)(xian)(xian)收(shou)發(fa)(fa)(fa)(fa)(fa)器(qi)(qi)和(he)(he)1000M光(guang)(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)(xian)(xian)收(shou)發(fa)(fa)(fa)(fa)(fa)器(qi)(qi)。按(an)(an)結構來分(fen)(fen)(fen)，可以(yi)(yi)分(fen)(fen)(fen)為(wei)桌面(mian)式(shi)（獨(du)立(li)式(shi)）光(guang)(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)(xian)(xian)收(shou)發(fa)(fa)(fa)(fa)(fa)器(qi)(qi)和(he)(he)機(ji)架式(shi)光(guang)(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)(xian)(xian)收(shou)發(fa)(fa)(fa)(fa)(fa)器(qi)(qi)。按(an)(an)光(guang)(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)(xian)(xian)來分(fen)(fen)(fen)，可以(yi)(yi)分(fen)(fen)(fen)為(wei)多模光(guang)(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)(xian)(xian)收(shou)發(fa)(fa)(fa)(fa)(fa)器(qi)(qi)和(he)(he)單模光(guang)(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)(xian)(xian)收(shou)發(fa)(fa)(fa)(fa)(fa)器(qi)(qi)。按(an)(an)光(guang)(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)(xian)(xian)數量來分(fen)(fen)(fen)，可以(yi)(yi)分(fen)(fen)(fen)為(wei)單纖(xian)(xian)(xian)(xian)(xian)(xian)(xian)光(guang)(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)(xian)(xian)收(shou)發(fa)(fa)(fa)(fa)(fa)器(qi)(qi)和(he)(he)雙纖(xian)(xian)(xian)(xian)(xian)(xian)(xian)光(guang)(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)(xian)(xian)收(shou)發(fa)(fa)(fa)(fa)(fa)器(qi)(qi)。按(an)(an)網管來分(fen)(fen)(fen)，可以(yi)(yi)分(fen)(fen)(fen)為(wei)網管型光(guang)(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)(xian)(xian)收(shou)發(fa)(fa)(fa)(fa)(fa)器(qi)(qi)和(he)(he)非網管型光(guang)(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)(xian)(xian)收(shou)發(fa)(fa)(fa)(fa)(fa)器(qi)(qi)。總(zong)體(ti)上(shang)看，光(guang)(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)(xian)(xian)收(shou)發(fa)(fa)(fa)(fa)(fa)器(qi)(qi)將會(hui)(hui)朝(chao)著(zhu)高智能、高穩定性、可網管、低成本的(de)(de)(de)(de)(de)方向繼續發(fa)(fa)(fa)(fa)(fa)展。同時(shi)為(wei)了(le)保證與其他(ta)廠家的(de)(de)(de)(de)(de)網卡、中繼器(qi)(qi)、集線器(qi)(qi)和(he)(he)交換機(ji)等網絡設備的(de)(de)(de)(de)(de)完全兼(jian)容，光(guang)(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)(xian)(xian)收(shou)發(fa)(fa)(fa)(fa)(fa)器(qi)(qi)產品必(bi)須嚴格(ge)符(fu)合10Base-T、100Base-TX、100Base-FX、IEEE802.3和(he)(he)IEEE802.3u等以(yi)(yi)太網標準(zhun)，否則(ze)所能連接(jie)的(de)(de)(de)(de)(de)距離(li)定會(hui)(hui)縮(suo)短。在EMC防電磁輻射方面(mian)也應符(fu)合FCC Part15標準(zhun)。除此之外，選購時(shi)還有(you)很多方面(mian)需要(yao)了(le)解并注(zhu)意的(de)(de)(de)(de)(de)。

單模光纖收發器適用范圍

單模光(guang)纖(xian)收發(fa)器中單模的(de)帶(dai)(dai)寬(kuan)(kuan)潛(qian)力(li)使其成為高(gao)速(su)和(he)長(chang)距離數據(ju)傳輸(shu)的(de)最(zui)佳選擇。單模光(guang)纖(xian)收發(fa)器特別適用(yong)于電(dian)信、有線(xian)電(dian)視、鐵路、軍事、金融證券、海(hai)關、民航、海(hai) 運、電(dian)力(li)、水利及(ji)油田等各種(zhong)寬(kuan)(kuan)帶(dai)(dai)數據(ju)網(wang)及(ji)要求高(gao)可靠性(xing)數據(ju)傳輸(shu)或組(zu)建IP數據(ju)傳輸(shu)專網(wang)的(de)領域。是(shi)寬(kuan)(kuan)帶(dai)(dai)校園網(wang)、寬(kuan)(kuan)帶(dai)(dai)有線(xian)電(dian)視網(wang)及(ji)智(zhi)能化寬(kuan)(kuan)帶(dai)(dai)小(xiao)區光(guang)纖(xian)到樓、光(guang)纖(xian)到戶的(de)最(zui)理想(xiang)應(ying)用(yong)設(she)備。解決數據(ju)遠距離傳輸(shu)的(de)問(wen)題(ti)。