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"index_news"><a href="http://m.cdcfah.com/zx/"><span>新聞資訊</span></a></li><li id = "index_article"><a href="http://m.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://m.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="u78bjgi" class="twoCol"><div id="hi2hovm" 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>?貴州光端機烽火千兆以太網(wǎng)出線卡深圳市騰云科創(chuàng)供應(yīng)</p><div id="smyahjq" class="leftbox clearfix"><h1>貴州光端機烽火千兆以太網(wǎng)出線卡深圳市騰云科創(chuàng)供應(yīng)</h1><div id="3vsjvhj" class="proBig"><div id="8m2g2x9" 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="qpwdfmt" 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="onp27i9" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>貴州光端機烽火千兆以太網(wǎng)出線卡,烽火</p><p><span>***更新：</span>2020-08-02 08:13:11</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="wfce3kj" 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: </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="cvxzgxe" class="page-proshow02"><p class="title">詳細說明</p><div id="324t8ei" class="box"><p><p> 近些年，點播電視、多媒體業(yè)務(wù)和其他寬帶業(yè)務(wù)如雨后春筍般紛紛出現(xiàn)，為SDH應(yīng)用在接入網(wǎng)中提供了廣闊的空間。SDH技術(shù)應(yīng)用于接入網(wǎng)的好處是：1）對于要求高可靠，貴州光端機烽火千兆以太網(wǎng)出線卡、高質(zhì)量業(yè)務(wù)的大型企事業(yè)用戶，SDH可以提供較為理想的網(wǎng)絡(luò)性能和業(yè)務(wù)可靠性。2）可以將網(wǎng)管范圍擴展至用戶端，簡化維護工作。3）利用SDH固有靈活性，可使網(wǎng)絡(luò)運營者更快，貴州光端機烽火千兆以太網(wǎng)出線卡、更有效地提供用戶所需的長期和短期業(yè)務(wù)需求，貴州光端機烽火千兆以太網(wǎng)出線卡。 </p> <p> <br /> </p> <p> 深圳騰云科創(chuàng)信息咨詢有限公司主營中興ZXMP系列產(chǎn)品：ZXMP S200｜ZXMP S320｜ZXMP S330｜ZXMP S325｜ZXMP S385｜ZXMP S390整機及各型號單板。華為Metro系列產(chǎn)品：Metro1000｜Metro2050｜Metro3000｜Optix2500+｜Metro5000整機及各型號單板。華為OSN系列產(chǎn)品：OSN1500B｜OSN2000｜OSN2500｜OSN3500｜OSN7500整機及各型號單板。烽火IBAS系列產(chǎn)品： IBAS780A｜IBAS780B， PCM綜合接入設(shè)備介紹：FA16接入設(shè)備｜BX10接入設(shè)備由于采用了較先進的分插復(fù)用器（ADM）、數(shù)字交叉連接（DXC）。貴州光端機烽火千兆以太網(wǎng)出線卡</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州光端機烽火千兆以太網(wǎng)出線卡,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244847603603516/458709.jpg"></div><p> SDH的基本傳輸原理 </p> <p> SDH采用的信息結(jié)構(gòu)等級稱為同步傳送模塊STM－N（Synchronous Transport，N=1，4， 16，64），**基本的模塊為STM－1，四個STM－1同步復(fù)用構(gòu)成STM－4，16個STM－1或四個 STM－4同步復(fù)用構(gòu)成STM－16；SDH采用塊狀的幀結(jié)構(gòu)來承載信息，每幀由縱向9行和橫向 270×N列字節(jié)組成，每個字節(jié)含8bit，整個幀結(jié)構(gòu)分成段開銷（Section OverHead，SOH）區(qū)、STM－N凈負荷區(qū)和管理單元指針（AU PTR）區(qū)三個區(qū)域，其中段開銷區(qū)主要用于網(wǎng)絡(luò)的運行、管理、維護及指配以保證信息能夠正常靈活地傳送，它又分為再生段開銷和復(fù)用段開銷；貴州銷售光傳輸設(shè)備烽火千兆以太網(wǎng)出線卡電力系統(tǒng)一旦發(fā)生故障, 如果通信不暢, 不能及時調(diào)度指揮,就會擴大***范圍。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州光端機烽火千兆以太網(wǎng)出線卡,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845105205079/5635847.jpg"></div><p> SDH的概念 </p> <p> SDH[1]（Synchronous Digital Hierarchy，同步數(shù)字系列）光端機容量較大，一般是16E1到4032E1。 SDH是一種將復(fù)接、線路傳輸及交換功能融為一體、并由統(tǒng)一網(wǎng)管系統(tǒng)操作的綜合信息傳送網(wǎng)絡(luò)，是美國貝爾通信技術(shù)研究所提出來的同步光網(wǎng)絡(luò)（SONET）。國際電話電報咨詢**會（CCITT）（現(xiàn)ITU-T）于1988年接受了SONET 概念并重新命名為SDH，使其成為不*適用于光纖也適用于微波和衛(wèi)星傳輸?shù)耐ㄓ眉夹g(shù)體制。它可實現(xiàn)網(wǎng)絡(luò)有效管理、實時業(yè)務(wù)監(jiān)控、動態(tài)網(wǎng)絡(luò)維護、不同廠商設(shè)備間的互通等多項功能，能**提高網(wǎng)絡(luò)資源利用率、降低管理及維護費用、實現(xiàn)靈活可靠和***的網(wǎng)絡(luò)運行與維護，因此是當(dāng)今世界信息領(lǐng)域在傳輸技術(shù)方面的發(fā)展和應(yīng)用的熱點，受到人們的***重視。 </p> <p> <br /> </p><p> SDH的特點 </p> <p> 1）SDH傳輸系統(tǒng)在國際上有統(tǒng)一的幀結(jié)構(gòu)數(shù)字傳輸標(biāo)準速率和標(biāo)準的光路接口，使網(wǎng)管系統(tǒng)互通，因此有很好的橫向兼容性，它能與現(xiàn)有的PDH完全兼容，并容納各種新的業(yè)務(wù)信號，形成了全球統(tǒng)一的數(shù)字傳輸體制標(biāo)準，提高了網(wǎng)絡(luò)的可靠性； </p> <p> （2）SDH接入系統(tǒng)的不同等級的碼流在幀結(jié)構(gòu)凈負荷區(qū)內(nèi)的排列非常有規(guī)律，而凈負荷與網(wǎng)絡(luò)是同步的，它利用軟件能將高速信號一次直接分插出低速支路信號，實現(xiàn)了一次復(fù)用的特性，克服了PDH準同步復(fù)用方式對全部高速信號進行逐級分解然后再生復(fù)用的過程，由于**簡化了DXC，減少了背靠背的接口復(fù)用設(shè)備，改善了網(wǎng)絡(luò)的業(yè)務(wù)傳送透明性； </p> <p> （3）由于采用了較先進的分插復(fù)用器（ADM）、數(shù)字交叉連接（DXC）、網(wǎng)絡(luò)的自愈功能和重組功能就顯得非常強大，具有較強的生存率。因SDH幀結(jié)構(gòu)中安排了信號的5％開銷比特，它的網(wǎng)管功能顯得特別強大，并能統(tǒng)一形成網(wǎng)絡(luò)管理系統(tǒng)，為網(wǎng)絡(luò)的自動化、智能化、信道的利用率以及降低網(wǎng)絡(luò)的維管費和生存能力起到了積極作用；為滿足整個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="貴州光端機烽火千兆以太網(wǎng)出線卡,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845105136719/8556415.jpg"></div><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、電信號抽樣、判決、再生整形、電/光變換，以達到不積累線路噪聲，保證線路上傳送信號波形的完好性。此處講的是后一種再生中繼器，REG是雙端口器件，只有兩個線路端口——W、E。 </p> <p> 它的作用是將w/e側(cè)的光信號經(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）時完全可以等效一個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因為要完成將低速支路信號分/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有點大材小用了。將所有網(wǎng)元節(jié)點兩兩相連，就形成了網(wǎng)孔形網(wǎng)絡(luò)。貴州光傳輸設(shè)備價格烽火千兆以太網(wǎng)出線卡</p><p style="text-indent:25px">維護，產(chǎn)品維修，計算機系統(tǒng)集成施工。為客戶提供質(zhì)量產(chǎn)品、完善的解決方案。貴州光端機烽火千兆以太網(wǎng)出線卡</p><p> <p> 近些年，點播電視、多媒體業(yè)務(wù)和其他寬帶業(yè)務(wù)如雨后春筍般紛紛出現(xiàn)，為SDH應(yīng)用在接入網(wǎng)中提供了廣闊的空間。SDH技術(shù)應(yīng)用于接入網(wǎng)的好處是：1）對于要求高可靠、高質(zhì)量業(yè)務(wù)的大型企事業(yè)用戶，SDH可以提供較為理想的網(wǎng)絡(luò)性能和業(yè)務(wù)可靠性。2）可以將網(wǎng)管范圍擴展至用戶端，簡化維護工作。3）利用SDH固有靈活性，可使網(wǎng)絡(luò)運營者更快、更有效地提供用戶所需的長期和短期業(yè)務(wù)需求。 </p> <p> 從技術(shù)上來看，接入層的相對帶寬需求較小，需要提供IP、TDM，可能還有ATM等綜合業(yè)務(wù)傳送。以SDH 系統(tǒng)為基礎(chǔ)并能夠提供IP 、ATM 傳送與處理的系統(tǒng)（包括TDM、IP與ATM接口，甚至包括IP 和ATM 交換模塊）將是解決接入層傳送的主要方法，這種方式可廉價地在一個業(yè)務(wù)提供點（POP）上提供高質(zhì)量專線、ATM 、IP 等業(yè)務(wù)的接入、傳送和保護。 </p> </p> <p> <br /> </p> <p> <br /> 貴州光端機烽火千兆以太網(wǎng)出線卡</p><p style="text-indent:25px">深圳市騰云科創(chuàng)信息咨詢有限公司坐落沙井街道蠔四社區(qū)街尾塘一巷5號幸福家園A棟、B棟、C棟、D棟D棟110D，交通便利，環(huán)境優(yōu)美，是一家貿(mào)易型企業(yè)。是一家有限責(zé)任公司企業(yè)，隨著市場的發(fā)展和生產(chǎn)的需求，與多家企業(yè)合作研究，在原有產(chǎn)品的基礎(chǔ)上經(jīng)過不斷改進，追求新型，在強化內(nèi)部管理，完善結(jié)構(gòu)調(diào)整的同時，優(yōu)良的質(zhì)量、合理的價格、完善的服務(wù)，在業(yè)界受到***好評。公司業(yè)務(wù)涵蓋[ "SDH光傳輸設(shè)備", "光端機", "PCM接入設(shè)備", "PTN OTN光傳輸設(shè)備" ]，價格合理，品質(zhì)有保證，深受廣大客戶的歡迎。騰云科創(chuàng)自成立以來，一直堅持走正規(guī)化、專業(yè)化路線，得到了廣大客戶及社會各界的普遍認可與大力支持。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/781874.html</p></div></div></div></div></div><div id="xvn3b8z" class="page-right twoColRt"><div id="azlszg7" class="box01 margin10 clearfix"><h3><a 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