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href="http://m.cdcfah.com/cp/second-_txcp/">通信產(chǎn)品</a>?<a href="http://m.cdcfah.com/cp/third-txcp_jrsbtn/">接入設備</a>?四川SDH光傳輸設備烽火CONT 深圳市騰云科創(chuàng)供應</p><div id="wkhelsu" class="leftbox clearfix"><h1>四川SDH光傳輸設備烽火CONT 深圳市騰云科創(chuàng)供應</h1><div id="7s92n2n" class="proBig"><div id="qeew3ca" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244847797656250/1749392.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="j3xr9x7" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244847797656250/1749392.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="hl8e7x4" 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)品關鍵詞：</span>四川SDH光傳輸設備烽火CONT,烽火</p><p><span>***更新：</span>2020-09-20 10:05:13</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="hkmj47w" 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="qfcey8c" class="page-proshow02"><p class="title">詳細說明</p><div id="oheb9nm" class="box"><p><p style="text-indent:25px">凈負荷區(qū)用于存放真正用于信息業(yè)務的比特和少量的用于通道維護管理的通道開銷字節(jié)；管理單元指針用來指示凈負荷區(qū)內(nèi)的信息首字節(jié)在STM－N幀內(nèi)的準確位置以便接收時能正確分離凈負荷。SDH的幀傳輸時按由左到右、由上到下的順序排成串型碼流依次傳輸，每幀傳輸時間為125μs，每秒傳輸1／125×1000000幀，對STM－1而言每幀字節(jié)為8bit×（9×270×1）=19440bit，則STM－1的傳輸速率為19440×8000=155.520Mbit／s；而STM－4的傳輸速率為4×155.520Mbit／s=622，四川SDH光傳輸設備烽火CONT.080Mbit／s；STM－16的傳輸速率為16×155，四川SDH光傳輸設備烽火CONT.520（或4×622，四川SDH光傳輸設備烽火CONT.080）=2488.320Mbit／s。隨著網(wǎng)絡傳輸技術的不斷發(fā)展, 電力系統(tǒng)中基于寬帶數(shù)據(jù)網(wǎng)的應用也越來越多。四川SDH光傳輸設備烽火CONT</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川SDH光傳輸設備烽火CONT,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244847797656250/1749392.jpg"></div><p> SDH的特點 </p> <p> （1）由于SDH多種網(wǎng)絡拓撲結構，它所組成的網(wǎng)絡非常靈活，它能增強網(wǎng)監(jiān)，運行管理和自動配置功能，優(yōu)化了網(wǎng)絡性能有，同時也使網(wǎng)絡運行靈活、安全、可靠，使網(wǎng)絡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備的構成能通過功能塊的自由組合，實現(xiàn)了不同層次和各種拓撲結構的網(wǎng)絡，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模型的觀點來看，SDH屬于其比較低層的物理層，并未對其高層有嚴格的限制，便于在SDH上采用各種網(wǎng)絡技術，支持ATM或IP傳輸； </p> <p> （5）SDH是嚴格同步的，從而保證了整個網(wǎng)絡穩(wěn)定可靠，誤碼少，且便于復用和調(diào)整； </p> <p> （6）標準的開放型光接口 </p> <p> 可以在基本光纜段上實現(xiàn)橫向兼容，降低了聯(lián)網(wǎng)成本。甘肅全新光傳輸設備烽火STM-4主要進行光功率放大以延長光傳輸距離；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川SDH光傳輸設備烽火CONT,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845105000000/3722756.jpg"></div><p> SDH網(wǎng)絡的常見網(wǎng)元和功能 </p> <p> ADM——分/插復用器 </p> <p> 分/插復用器用于SDH傳輸網(wǎng)絡的轉接站點處，例如鏈的中間結點或環(huán)上結點，是SDH網(wǎng)上使用**多、**重要的一種網(wǎng)元，它是一個三端口的器件。 </p> <p> ADM有兩個線路端口和一個支路端口。兩個線路端口各接一側的光纜（每側收/發(fā)共兩根光纖），為了描述方便我們將其分為西（W）向、東向（E）兩個線路端口。ADM的作用是將低速支路信號交叉復用進東或西向線路上去，或從東或西側線路端口收的線路信號中拆分出低速支路信號。另外，還可將東/西向線路側的STM-N信號進行交叉連接，例如將東向STM-16中的3#STM-1與西向STM-16中的15#STM-1相連接。 </p> <p> ADM是SDH**重要的一種網(wǎng)元，通過它可等效成其它網(wǎng)元，即能完成其它網(wǎng)元的功能，例如：一個ADM可等效成兩個TM。 </p><p> <br /> </p> <p> SDH的特點 </p> <p> （1）由于SDH有多種網(wǎng)絡拓撲結構，它所組成的網(wǎng)絡非常靈活，它能增強網(wǎng)監(jiān)，運行管理和自動配置功能，優(yōu)化了網(wǎng)絡性能，同時也使網(wǎng)絡運行靈活、安全、可靠，使網(wǎng)絡的功能非常齊全和多樣化； </p> <p> （2）SDH有傳輸和交換的性能，它的系列設備的構成能通過功能塊的自由組合，實現(xiàn)了不同層次和各種拓撲結構的網(wǎng)絡，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模型的觀點來看，SDH屬于其比較低層的物理層，并未對其高層有嚴格的限制，便于在SDH上采用各種網(wǎng)絡技術，支持ATM或IP傳輸； </p> <p> （5）SDH是嚴格同步的，從而保證了整個網(wǎng)絡穩(wěn)定可靠，誤碼少，且便于復用和調(diào)整； </p> <p> （6）標準的開放型光接口可以在基本光纜段上實現(xiàn)橫向兼容，降低了聯(lián)網(wǎng)成本。 </p> <p> <br /> </p> <p> <br /> ADM是SDH**重要的一種網(wǎng)元，通過它可等效成其它網(wǎng)元。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川SDH光傳輸設備烽火CONT,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845101923829/7728521.jpg"></div><p> 隨著骨干傳輸容量不斷增大，城域傳輸網(wǎng)絡的接入能力也多樣化。但以IP為主的網(wǎng)絡業(yè)務仍然是不可預知的，這需要傳輸網(wǎng)絡具有更好的自適應能力，而這種自適應能力不**是網(wǎng)絡接口或網(wǎng)絡容量的適應能力，而且要求網(wǎng)絡連接的自適應能力。總的來說，低成本、靈活快速的完成運營商端局到用戶端的業(yè)務接入和業(yè)務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)務的方式就是將不同的網(wǎng)絡層次的業(yè)務通過ＶＣ級聯(lián)的方式映射到SDH電路的各個時隙中，由SDH網(wǎng)絡提供完全透明的傳輸通道，從物理層的設備角度上看是一個集成的整體。這種解決方案可以大幅度地降低投資規(guī)模，減少設備占地面積，降低功耗，進而降低網(wǎng)絡運營商的運營成本。同時，提供多業(yè)務的能力還可以使網(wǎng)絡運營商能夠快速地部署網(wǎng)絡業(yè)務，提高業(yè)務收入，增強市場競爭能力。 </p> <p> <br /> 在各種寬帶光纖接入網(wǎng)技術中，采用SDH技術的接入網(wǎng)系統(tǒng)是應用**普遍的。四川SDH光傳輸設備烽火CONT</p><p style="text-indent:25px">標準的開放型光接口可以在基本光纜段上實現(xiàn)橫向兼容，降低了聯(lián)網(wǎng)成本。四川SDH光傳輸設備烽火CONT</p><p> SDH的主要設備 </p> <p> SDH設備是實現(xiàn)光同步傳輸網(wǎng)的重要物理手段。SDH設備只要有終端復用器（TM）、分插復用器（ADM）和書籍交叉連接設備（DXC）等。這些設備的功能不同，但都有統(tǒng)一的標準光接口，不同廠家的產(chǎn)品能夠實現(xiàn)橫向兼容。 </p> <p> 深圳騰云科創(chuàng)信息咨詢有限公司，擁有專業(yè)的技術團隊，由 (中興通訊，華為技術)服務10年以上從業(yè)經(jīng)驗的技術****，并有多名專業(yè)技術人員為您提供專業(yè)的商務技術和專業(yè)解決方案。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綜合接入設備介紹：FA16接入設備｜BX10接入設備，我司積極面向市場為廣大行業(yè)用戶提供設計、安裝、調(diào)試、培訓、維護的“一條龍”***服務。四川SDH光傳輸設備烽火CONT</p><p style="text-indent:25px">深圳市騰云科創(chuàng)信息咨詢有限公司致力于通信產(chǎn)品，以科技創(chuàng)新實現(xiàn)***管理的追求。騰云科創(chuàng)擁有一支經(jīng)驗豐富、技術創(chuàng)新的專業(yè)研發(fā)團隊，以高度的專注和執(zhí)著為客戶提供SDH光傳輸設備，光端機，PCM接入設備，PTN OTN光傳輸設備。騰云科創(chuàng)不斷開拓創(chuàng)新，追求出色，以技術為先導，以產(chǎn)品為平臺，以應用為重點，以服務為保證，不斷為客戶創(chuàng)造更高價值，提供更優(yōu)服務。騰云科創(chuàng)始終關注自身，在風云變化的時代，對自身的建設毫不懈怠，高度的專注與執(zhí)著使騰云科創(chuàng)在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/1354321.html</p></div></div></div></div></div><div id="2rbicdp" class="page-right twoColRt"><div id="onphgnp" 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