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href="http://m.cdcfah.com/zh/"><span>展會(huì)信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="xgi7bwf" class="twoCol"><div id="74pwse8" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://m.cdcfah.com/">首頁?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://m.cdcfah.com/cp/second-_txcp/">通信產(chǎn)品</a>?<a href="http://m.cdcfah.com/cp/third-txcp_jrsbtn/">接入設(shè)備</a>?新疆銷售光傳輸設(shè)備烽火PEOW 深圳市騰云科創(chuàng)供應(yīng)</p><div id="uxetfbw" class="leftbox clearfix"><h1>新疆銷售光傳輸設(shè)備烽火PEOW 深圳市騰云科創(chuàng)供應(yīng)</h1><div id="eda3fmn" class="proBig"><div id="oxt9p8m" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244847603603516/458709.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="fzl98qm" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244847603603516/458709.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="qgsmcdu" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>新疆銷售光傳輸設(shè)備烽火PEOW,烽火</p><p><span>***更新：</span>2020-09-02 19:12:36</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="tlduv8x" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市騰云科創(chuàng)信息咨詢有限公司</a></p><p><span>聯(lián)系人：</span>夏永 </p><p><span>郵箱: </span>87993378@qq.com</p><p><span>電話: </span>16625147809</p><p><span>傳真: </span>1550_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>1550-2042477</p><p><span>地址: </span>沙井街道蠔四社區(qū)街尾塘一巷5號(hào)幸福家園A棟、B棟、C棟、D棟D棟110D</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="peg4jij" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="anzovmt" class="box"><p><p> 隨著骨干傳輸容量不斷增大，城域傳輸網(wǎng)絡(luò)的接入能力也多樣化。但以IP為主的網(wǎng)絡(luò)業(yè)務(wù)仍然是不可預(yù)知的，新疆銷售光傳輸設(shè)備烽火PEOW，這需要傳輸網(wǎng)絡(luò)具有更好的自適應(yīng)能力，而這種自適應(yīng)能力不**是網(wǎng)絡(luò)接口或網(wǎng)絡(luò)容量的適應(yīng)能力，而且要求網(wǎng)絡(luò)連接的自適應(yīng)能力?？偟膩碚f，低成本、靈活快速的完成運(yùn)營商端局到用戶端的業(yè)務(wù)接入和業(yè)務(wù)收斂是對未來城域網(wǎng)接入系統(tǒng)的主要需求。 </p> <p> 簡單地講，這種采用SDH傳輸以太網(wǎng)等多種業(yè)務(wù)的方式就是將不同的網(wǎng)絡(luò)層次的業(yè)務(wù)通過ＶＣ級(jí)聯(lián)的方式映射到SDH電路的各個(gè)時(shí)隙中，由SDH網(wǎng)絡(luò)提供完全透明的傳輸通道，從物理層的設(shè)備角度上看是一個(gè)集成的整體。這種解決方案可以大幅度地降低投資規(guī)模，新疆銷售光傳輸設(shè)備烽火PEOW，減少設(shè)備占地面積，降低功耗，進(jìn)而降低網(wǎng)絡(luò)運(yùn)營商的運(yùn)營成本，新疆銷售光傳輸設(shè)備烽火PEOW。同時(shí)，提供多業(yè)務(wù)的能力還可以使網(wǎng)絡(luò)運(yùn)營商能夠快速地部署網(wǎng)絡(luò)業(yè)務(wù)，提高業(yè)務(wù)收入，增強(qiáng)市場競爭能力。 </p> <p> <br /> 它的作用是將支路端口的低速信號(hào)復(fù)用到線路端口的高速信號(hào)STM-N中。新疆銷售光傳輸設(shè)備烽火PEOW</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆銷售光傳輸設(shè)備烽火PEOW,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244847603603516/458709.jpg"></div><p> SDH的特點(diǎn) </p> <p> （1）由于SDH多種網(wǎng)絡(luò)拓?fù)浣Y(jié)構(gòu)，它所組成的網(wǎng)絡(luò)非常靈活，它能增強(qiáng)網(wǎng)監(jiān)，運(yùn)行管理和自動(dòng)配置功能，優(yōu)化了網(wǎng)絡(luò)性能有，同時(shí)也使網(wǎng)絡(luò)運(yùn)行靈活、安全、可靠，使網(wǎng)絡(luò)的功能非常齊全和多樣化； </p> <p> （2）SDH有傳輸和交換的性能它的系列設(shè)備的構(gòu)成能通過功能塊的自由組合，實(shí)現(xiàn)了不同層次和各種拓?fù)浣Y(jié)構(gòu)的網(wǎng)絡(luò)，十分靈活； </p> <p> （3）SDH并不專屬于某種傳輸介質(zhì)，它可用于雙絞線、同軸電纜，但SDH用于傳輸高數(shù)據(jù)率則需用光纖。這一特點(diǎn)表明，SDH既適合用作干線通道，也可作支線通道。例如，我國的國家與省級(jí)有線電視干線網(wǎng)就是采用SDH，而且它也便于與光纖電纜混合網(wǎng)(HFC)相兼容。 </p> <p> （4）從OSI模型的觀點(diǎn)來看，SDH屬于其比較低層的物理層，并未對其高層有嚴(yán)格的限制，便于在SDH上采用各種網(wǎng)絡(luò)技術(shù)，支持ATM或IP傳輸； </p> <p> （5）SDH是嚴(yán)格同步的，從而保證了整個(gè)網(wǎng)絡(luò)穩(wěn)定可靠，誤碼少，且便于復(fù)用和調(diào)整； </p> <p> （6）標(biāo)準(zhǔn)的開放型光接口 </p> <p> 可以在基本光纜段上實(shí)現(xiàn)橫向兼容，降低了聯(lián)網(wǎng)成本。新疆銷售光傳輸設(shè)備烽火PEOW將所有網(wǎng)元節(jié)點(diǎn)兩兩相連，就形成了網(wǎng)孔形網(wǎng)絡(luò)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆銷售光傳輸設(shè)備烽火PEOW,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244847651777344/7289118.jpg"></div><p style="text-indent:25px">SDH出現(xiàn)以前，沿用的數(shù)字傳輸設(shè)備均屬準(zhǔn)同步數(shù)字系（ Plesiochronous Digital Hierarchy，縮寫為PDH）。SDH技術(shù)的誕生有著其必然性。隨著通信的發(fā)展，要求傳送的信息不*是話音，還有文字、數(shù)據(jù)、圖像和視頻等。加之?dāng)?shù)字通信和計(jì)算機(jī)技術(shù)的發(fā)展，在70至80年代，陸續(xù)出現(xiàn)了T1(DS1)／E1載波系統(tǒng)(1.544／2.048Mbps)、X.25幀中繼、ISDN(綜合業(yè)務(wù)數(shù)字網(wǎng)) 和FDDI(光纖分布式數(shù)據(jù)接口)等多種網(wǎng)絡(luò)技術(shù)。隨著信息社會(huì)的到來，人們希望現(xiàn)代信息傳輸網(wǎng)絡(luò)能快速、經(jīng)濟(jì)、有效地提供各種電路和業(yè)務(wù)，而上述網(wǎng)絡(luò)技術(shù)由于其業(yè)務(wù)的單調(diào)性，擴(kuò)展的復(fù)雜性，帶寬的局限性，*在原有框架內(nèi)修改或完善已無濟(jì)于事。SDH就是在這種背景下發(fā)展起來的。</p><p> SDH網(wǎng)絡(luò)的常見網(wǎng)元和功能 </p> <p> REG——再生中繼器 </p> <p> 光傳輸網(wǎng)的再生中繼器有兩種，一種是純光的再生中繼器，主要進(jìn)行光功率放大以延長光傳輸距離；另一種是用于脈沖再生整形的電再生中繼器，主要通過光/電變換、電信號(hào)抽樣、判決、再生整形、電/光變換，以達(dá)到不積累線路噪聲，保證線路上傳送信號(hào)波形的完好性。此處講的是后一種再生中繼器，REG是雙端口器件，只有兩個(gè)線路端口——W、E。 </p> <p> 它的作用是將w/e側(cè)的光信號(hào)經(jīng)O/E、抽樣、判決、再生整形、E/O在e或w側(cè)發(fā)出。注意到?jīng)]有，REG與ADM相比*少了支路端口，所以ADM若本地不上/下話路（支路不上/下信號(hào)）時(shí)完全可以等效一個(gè)REG。 </p> <p> 真正的REG只需處理STM-N幀中的RSOH，且不需要交叉連接功能（w—e直通即可），而ADM和TM因?yàn)橐瓿蓪⒌退僦沸盘?hào)分/插到STM-N中，所以不*要處理RSOH，而且還要處理MSOH；另外ADM和TM都具有交叉復(fù)用能力（有交叉連接功能），因此用ADM來等效REG有點(diǎn)大材小用了。為滿足整個(gè)電力部門目前和將來的所有通信需求, 需要做到話音。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆銷售光傳輸設(shè)備烽火PEOW,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845101689454/4175838.jpg"></div><p> <p> 二纖單向通道保護(hù)環(huán)，無論從實(shí)現(xiàn)控制的復(fù)雜性，還是設(shè)備的開發(fā)和制作難度來說，都是各種倒換環(huán)中**簡單的。由于它不涉及APS的協(xié)議處理過程，因而業(yè)務(wù)倒換時(shí)間也**短。二纖雙向復(fù)用段保護(hù)環(huán)的控制邏輯和設(shè)備開發(fā)制作則是各種倒換環(huán)中**復(fù)雜的。 </p> <p> 兼容性 </p> <p> 二纖單向通道保護(hù)環(huán)*使用已經(jīng)完全預(yù)定好了的規(guī)則，由通道AIS信號(hào)來觸發(fā)倒換，與現(xiàn)行SDH標(biāo)準(zhǔn)完全相容，因而也容易滿足多廠家產(chǎn)品兼容性要求。 </p> <p> 二纖雙向復(fù)用段保護(hù)環(huán)使用APS協(xié)議控制倒換，而APS協(xié)議尚未標(biāo)準(zhǔn)化，所以復(fù)用段倒換環(huán)目前都不能滿足多廠家產(chǎn)品兼容性的要求。 </p> </p> <p> <br /> 在進(jìn)行字節(jié)間插復(fù)用過程中，各幀的信息凈負(fù)荷和指針字節(jié)按原值進(jìn)行字節(jié)間插復(fù)用。新疆光傳輸設(shè)備SDH烽火IBAS 180</p><p style="text-indent:25px">例如一條鏈的兩個(gè)端點(diǎn)上，它是一個(gè)雙端口器件。新疆銷售光傳輸設(shè)備烽火PEOW</p><p style="text-indent:25px">隨著工業(yè)化與信息化的融合不斷加快，加上相關(guān)部門公共安全加入不斷增加，專通信產(chǎn)品市場規(guī)模近年來不斷擴(kuò)大。近年來，通信技術(shù)突飛猛進(jìn)，通信產(chǎn)業(yè)成為全世界發(fā)展速度**快的產(chǎn)業(yè)之一。SDH光傳輸設(shè)備，光端機(jī)，PCM接入設(shè)備，PTN OTN光傳輸設(shè)備業(yè)是一個(gè)以技術(shù)為導(dǎo)向的行業(yè)，新型通信技術(shù)的開發(fā)及應(yīng)用對行業(yè)的發(fā)展起著巨大的推動(dòng)作用。隨著3G技術(shù)的逐漸成熟、4G技術(shù)的試點(diǎn)推廣與商用化和5逐步試點(diǎn)，通信運(yùn)營商進(jìn)行了相應(yīng)的大規(guī)?；A(chǔ)設(shè)施完善。目前，國內(nèi)貿(mào)易型企業(yè)數(shù)量眾多。在這些通信網(wǎng)絡(luò)技術(shù)服務(wù)商中，中通服及旗下各省工程公司的總體規(guī)模和市場占比處于優(yōu)勢地位，設(shè)備制造商也占據(jù)一小部分市場占比。中國通信產(chǎn)業(yè)年度**事件和通信產(chǎn)業(yè)年度**技術(shù)趨勢的發(fā)布已經(jīng)成為中國通信產(chǎn)業(yè)大會(huì)的鮮明標(biāo)簽，持續(xù)十年之久。每年大會(huì)發(fā)布的年度判斷，被貿(mào)易企業(yè)普遍引用和期待，成為過去年度的一個(gè)行業(yè)烙印總結(jié)，成為未來一年技術(shù)市場方向的一個(gè)預(yù)測。新疆銷售光傳輸設(shè)備烽火PEOW</p><p style="text-indent:25px">深圳市騰云科創(chuàng)信息咨詢有限公司是一家電力設(shè)備、電子元器件、電子產(chǎn)品、建筑材料、通信設(shè)備(中興通訊及華為技術(shù)各系列產(chǎn)品板件及整套設(shè)備的銷售與安裝，設(shè)備維護(hù)及板件返修，以及各設(shè)備可配置的單板，用戶電纜，中繼電纜等)、辦公設(shè)備、五金交電、化工原料（不含危險(xiǎn)及監(jiān)控化學(xué)品）的銷售；經(jīng)濟(jì)信息咨詢；經(jīng)營進(jìn)出口業(yè)務(wù)。的公司，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠實(shí)可信的企業(yè)。騰云科創(chuàng)深耕行業(yè)多年，始終以客戶的需求為向?qū)В瑸榭蛻籼峁?**的SDH光傳輸設(shè)備，光端機(jī)，PCM接入設(shè)備，PTN OTN光傳輸設(shè)備。騰云科創(chuàng)致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對用戶產(chǎn)品上的貼心，為用戶帶來良好體驗(yàn)。騰云科創(chuàng)創(chuàng)始人卓龍飛，始終關(guān)注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務(wù)。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/1132063.html</p></div></div></div></div></div><div id="4rn4rdu" class="page-right twoColRt"><div id="3suj3ul" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="vd3subx" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img 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