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深圳市騰云科創(chuàng)供應</p><div id="n87rya8" class="leftbox clearfix"><h1>廣西SDH光端機烽火Citrans 550F 深圳市騰云科創(chuàng)供應</h1><div id="3wvhj2g" class="proBig"><div id="aztlnpy" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244845103808594/6520524.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="yn2bdkm" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244845103808594/6520524.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="32tk8fx" 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>產品關鍵詞：</span>廣西SDH光端機烽火Citrans 550F,烽火</p><p><span>***更新：</span>2021-01-28 05:07:37</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="hvp27ik" 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="edaugs7" class="page-proshow02"><p class="title">詳細說明</p><div id="fj2fmtk" class="box"><p><p style="text-indent:25px">它可實現(xiàn)網絡有效管理、實時業(yè)務監(jiān)控、動態(tài)網絡維護、不同廠商設備間的互通等多項功能，能**提高網絡資源利用率、降低管理及維護費用，廣西SDH光端機烽火Citrans 550F、實現(xiàn)靈活可靠和***的網絡運行與維護，因此是當今世界信息領域在傳輸技術方面的發(fā)展和應用的熱點，廣西SDH光端機烽火Citrans 550F，受到人們的***重視。深圳騰云科創(chuàng)信息咨詢有限公司主營中興ZXMP系列產品：ZXMP S200｜ZXMP S320｜ZXMP S330｜ZXMP S325｜ZXMP S385｜ZXMP S390整機及各型號單板。華為Metro系列產品：Metro1000｜Metro2050｜Metro3000｜Optix2500+｜Metro5000整機及各型號單板。華為OSN系列產品：OSN1500B｜OSN2000｜OSN2500｜OSN3500｜OSN7500整機及各型號單板。烽火IBAS系列產品： IBAS780A｜IBAS780B，廣西SDH光端機烽火Citrans 550F， PCM綜合接入設備介紹：FA16接入設備｜BX10接入設備SDH并不專屬于某種傳輸介質，它可用于雙絞線、同軸電纜。廣西SDH光端機烽火Citrans 550F</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣西SDH光端機烽火Citrans 550F,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845103808594/6520524.jpg"></div><p> <span style="font-size:16px;font-family:"Microsoft YaHei";"> 二纖雙向復用段保護環(huán)將每根光纖的前一半時隙傳送主用業(yè)務，后一半時隙傳送額外業(yè)務，也就是說一根光纖的保護時隙用來保護另一根光纖上的主用業(yè)務。業(yè)務容量為四纖雙向復用段保護環(huán)的1/2，即M/2（STM-N），其中M是節(jié)點數(shù)。它在組網中使用得較多，主要用于622M和2.5G系統(tǒng)，也是適用于業(yè)務分散的網絡。</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";">二纖單向通道保護環(huán)和二纖雙向復用段保護環(huán)的比較：</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";"> 業(yè)務容量（單考慮主用業(yè)務）：</span><span style="font-family:"Microsoft YaHei";font-size:16px;">單向通道保護環(huán)的比較大業(yè)務容量是STM-N，二纖雙向復用段保護環(huán)的業(yè)務容量為M/2 ×STM-N（M是環(huán)上節(jié)點數(shù)）。</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";"> 復雜性：</span><span style="font-family:"Microsoft YaHei";font-size:16px;">二纖單向通道保護環(huán)，無論從實現(xiàn)控制的復雜性，還是設備的開發(fā)和制作難度來說，都是各種倒換環(huán)中比較簡單的。由于它不涉及APS的協(xié)議處理過程，因而業(yè)務倒換時間也比較短。二纖雙向復用段保護環(huán)的控制邏輯和設備開發(fā)制作則是各種倒換環(huán)中比較復雜的。</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";"> 兼容性。</span> 云南銷售光傳輸設備烽火Citrans 550FSDH的誕生解決了由于入戶媒質的帶寬限制而跟不上骨干網和用戶業(yè)務需求的發(fā)展。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣西SDH光端機烽火Citrans 550F,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845105000000/3722756.jpg"></div><p> <span style="font-size:16px;font-family:"Microsoft YaHei";"> 同步數(shù)字系列（Synchronous Digital Hierarchy，縮寫為SDH）是一種將復接、線路傳輸及交換功能融為一體、并由統(tǒng)一網管系統(tǒng)操作的綜合信息傳送網絡，是美國貝爾通信技術研究所提出來的同步光網絡（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，這使其成為不單適用于光纖也適用于微波和衛(wèi)星傳輸?shù)耐ㄓ眉夹g體制。它可實現(xiàn)網絡有效管理、實時業(yè)務監(jiān)控、動態(tài)網絡維護、不同廠商設備間的互通等多項功能，能**提高網絡資源利用率、降低管理及維護費用、實現(xiàn)靈活可靠和的網絡運行與維護。</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";"></span> </p><p> <span style="font-size:16px;font-family:"Microsoft YaHei";">SDH的特點：</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";">（1）SDH傳輸系統(tǒng)在國際上有統(tǒng)一的幀結構數(shù)字傳輸標準速率和標準的光路接口，使網管系統(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)務信號，形成了全球統(tǒng)一的數(shù)字傳輸體制標準，提高了網絡的可靠性。</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";">（2）SDH接入系統(tǒng)的不同等級的碼流在幀結構凈負荷區(qū)內的排列非常有規(guī)律，而凈負荷與網絡是同步的，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)了一次復用的特性，克服了PDH準同步復用方式對全部高速信號進行逐級分解然后再生復用的過程，由于**簡化了DXC，減少了背靠背的接口復用設備，改善了網絡的業(yè)務傳送透明性。</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";">（3）由于采用了較先進的分插復用器（ADM）、數(shù)字交叉連接（DXC）、網絡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幀結構中安排了信號的5％開銷比特，它的網管功能顯得特別強大，并能統(tǒng)一形成網絡管理系統(tǒng)，為網絡的自動化、智能化、信道的利用率以及降低網絡的維管費和生存能力起到了積極作用。</span> 目前環(huán)形網絡的拓撲結構用得很多，因為環(huán)形網具有較強的自愈功能。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣西SDH光端機烽火Citrans 550F,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845103378907/6385040.jpg"></div><p> <span style="font-size:16px;font-family:"Microsoft YaHei";">傳輸網上的業(yè)務按流向可分為單向業(yè)務和雙向業(yè)務。以環(huán)網為例說明單向業(yè)務和雙向業(yè)務的區(qū)別。</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";">若A和C之間互通業(yè)務，A到C的業(yè)務路由假定是A→B→C，若此時C到A的業(yè)務路由是C→B→A，則業(yè)務從A到C和從C到A的路由相同，稱為一致路由。</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";">若此時C到A的路由是C→D→A，那么業(yè)務從A到C和業(yè)務從C到A的路由不同，稱為分離路由。</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";">我們稱一致路由的業(yè)務為雙向業(yè)務，分離路由的業(yè)務為單向業(yè)務。常見組網的業(yè)務方向和路由。</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";">深圳市騰云科創(chuàng)信息咨詢有限公司以質量好的服務、良好的信譽、雄厚的技術力量為廣大客戶提供質量好服務。我司供應中興ZXMP系列產品：ZXMP S200｜ZXMP S320｜ZXMP S330｜ZXMP S325｜ZXMP S385｜ZXMP S390整機及各型號單板。供應華為Metro系列產品：Metro1000｜Metro2050｜Metro3000｜Optix2500+｜Metro5000整機及各型號單板。供應華為OSN系列產品：OSN1500B｜OSN2000｜OSN2500｜OSN3500｜OSN7500整機及各型號單板。供應烽火IBAS系列產品： IBAS780A｜IBAS780B供應PCM綜合接入設備：FA16接入設備｜BX10接入設備。努力奉獻，您的滿意是我們一直的追求！</span> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> 星形網絡拓撲是將網中一網元做為中心節(jié)點設備與其他各網元節(jié)點相連。云南銷售光傳輸設備烽火Citrans 550F</p><p style="text-indent:25px">例如一條鏈的兩個端點上，它是一個雙端口器件。廣西SDH光端機烽火Citrans 550F</p><p> 傳輸網上的業(yè)務按流向可分為單向業(yè)務和雙向業(yè)務。以環(huán)網為例說明單向業(yè)務和雙向業(yè)務的區(qū)別。 </p> <p> 若A和C之間互通業(yè)務，A到C的業(yè)務路由假定是A→B→C，若此時C到A的業(yè)務路由是C→B→A，則業(yè)務從A到C和從C到A的路由相同，稱為一致路由。 </p> <p> 若此時C到A的路由是C→D→A，那么業(yè)務從A到C和業(yè)務從C到A的路由不同，稱為分離路由。 </p> <p> 我們稱一致路由的業(yè)務為雙向業(yè)務，分離路由的業(yè)務為單向業(yè)務。常見組網的業(yè)務方向和路由。 </p> <p> 深圳市騰云科創(chuàng)信息咨詢有限公司以質量的服務、良好的信譽、雄厚的技術力量為廣大客戶提供質量服務。我司供應中興ZXMP系列產品：ZXMP S200｜ZXMP S320｜ZXMP S330｜ZXMP S325｜ZXMP S385｜ZXMP S390整機及各型號單板。供應華為Metro系列產品：Metro1000｜Metro2050｜Metro3000｜Optix2500+｜Metro5000整機及各型號單板。供應華為OSN系列產品：OSN1500B｜OSN2000｜OSN2500｜OSN3500｜OSN7500整機及各型號單板。供應烽火IBAS系列產品： IBAS780A｜IBAS780B供應PCM綜合接入設備：FA16接入設備｜BX10接入設備。努力奉獻，您的滿意是我們一直的追求！廣西SDH光端機烽火Citrans 550F</p><p style="text-indent:25px">深圳市騰云科創(chuàng)信息咨詢有限公司主要經營范圍是通信產品，擁有一支專業(yè)技術團隊和良好的市場口碑。公司自成立以來，以質量為發(fā)展，讓匠心彌散在每個細節(jié)，公司旗下SDH光傳輸設備，光端機，PCM接入設備，PTN OTN光傳輸設備深受客戶的喜愛。公司從事通信產品多年，有著創(chuàng)新的設計、強大的技術，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產品及服務。騰云科創(chuàng)立足于全國市場，依托強大的研發(fā)實力，融合前沿的技術理念，飛快響應客戶的變化需求。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/3043985.html</p></div></div></div></div></div><div id="h22qnu2" class="page-right twoColRt"><div id="l7xjgsp" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3q8liu7" 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