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class="twoCol"><div id="7v9rhpf" 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>?寧夏光傳輸設(shè)備SDH烽火10/100M自適應(yīng)以太網(wǎng)板卡深圳市騰云科創(chuàng)供應(yīng)</p><div id="d7z7jz9" class="leftbox clearfix"><h1>寧夏光傳輸設(shè)備SDH烽火10/100M自適應(yīng)以太網(wǎng)板卡深圳市騰云科創(chuàng)供應(yīng)</h1><div id="jfdlj77" class="proBig"><div id="l7djhnv" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244845102001954/2472236.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="nlrrxdb" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244845102001954/2472236.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="dbrz9lt" 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>寧夏光傳輸設(shè)備SDH烽火10/100M自適應(yīng)以太網(wǎng)板卡,烽火</p><p><span>最后更新：</span>2021-01-28 05:07:37</p><p><span id="click" >瀏覽次數(shù)：5次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="nb9rpd7" 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="7x5vtpv" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="7p5tbhn" class="box"><p><p> 在各種寬帶光纖接入網(wǎng)技術(shù)中，采用SDH技術(shù)的接入網(wǎng)系統(tǒng)是應(yīng)用比較普遍的，寧夏光傳輸設(shè)備SDH烽火10/100M自適應(yīng)以太網(wǎng)板卡。SDH的誕生解決了由于入戶媒質(zhì)的帶寬限制而跟不上骨干網(wǎng)和用戶業(yè)務(wù)需求的發(fā)展,而產(chǎn)生了用戶與**網(wǎng)之間的接入"瓶頸"的問題，同時提高了傳輸網(wǎng)上大量帶寬的利用率，寧夏光傳輸設(shè)備SDH烽火10/100M自適應(yīng)以太網(wǎng)板卡。SDH技術(shù)自從90年代引入以來，至今已經(jīng)是一種成熟、標(biāo)準(zhǔn)的技術(shù)，在骨干網(wǎng)中被***采用，且價格越來越低，在接入網(wǎng)中應(yīng)用可以將SDH技術(shù)在**網(wǎng)中的巨大帶寬優(yōu)勢和技術(shù)優(yōu)勢帶入接入網(wǎng)領(lǐng)域，充分利用SDH同步復(fù)用，寧夏光傳輸設(shè)備SDH烽火10/100M自適應(yīng)以太網(wǎng)板卡、標(biāo)準(zhǔn)化的光接口、強(qiáng)大的網(wǎng)管能力、靈活網(wǎng)絡(luò)拓?fù)淠芰透呖煽啃詭砗锰?，在接入網(wǎng)的建設(shè)發(fā)展中長期受益。 </p> <p> <br /> STM-N的信號是9行×270×N列的幀結(jié)構(gòu)。此處的N與STM-N的N相一致。寧夏光傳輸設(shè)備SDH烽火10/100M自適應(yīng)以太網(wǎng)板卡</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧夏光傳輸設(shè)備SDH烽火10/100M自適應(yīng)以太網(wǎng)板卡,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845102001954/2472236.jpg"></div><p> <span style="font-size:16px;font-family:"Microsoft YaHei";">SDH網(wǎng)絡(luò)的常見網(wǎng)元和功能</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";">DXC——數(shù)字交叉連接設(shè)備</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";">數(shù)字交叉連接設(shè)備完成的主要是STM-N信號的交叉連接功能，它是一個多端口器件，它實際上相當(dāng)于一個交叉矩陣，完成各個信號間的交叉連接。</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";">DXC可將輸入的m路STM-N信號交叉連接到輸出的n路STM-N信號上，上圖表示有m條入光纖和n條出光纖。DXC的**是交叉連接，功能強(qiáng)的DXC能完成高速（例STM-16）信號在交叉矩陣內(nèi)的低級別交叉（例如VC12級別的交叉）。</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";">通常用DXCm/n來表示一個DXC的類型和性能（注m≥n），m表示可接入DXC的比較高速率等級，n表示在交叉矩陣中能夠進(jìn)行交叉連接的比較低速率級別。m越大表示DXC的承載容量越大；n越小表示DXC的交叉靈活性越大。</span> </p> <p> <br /> </p> <p> <br /> 廣西全新光傳輸設(shè)備烽火CKUSDH并不專屬于某種傳輸介質(zhì)，它可用于雙絞線、同軸電纜。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧夏光傳輸設(shè)備SDH烽火10/100M自適應(yīng)以太網(wǎng)板卡,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845105136719/8556415.jpg"></div><p> SDH的產(chǎn)生背景 </p> <p> SDH技術(shù)的誕生有其必然性，隨著通信的發(fā)展，要求傳送的信息不僅是話音，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，僅在原有框架內(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 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，要求傳送的信息不僅是話音，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，僅在原有框架內(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。標(biāo)準(zhǔn)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><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧夏光傳輸設(shè)備SDH烽火10/100M自適應(yīng)以太網(wǎng)板卡,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845103378907/6385040.jpg"></div><p style="text-indent:25px">同PDH相比, SDH組網(wǎng)的巨大的優(yōu)越性完全發(fā)揮出來了。用雙環(huán)相切、多環(huán)相切的主干網(wǎng)絡(luò)拓?fù)浣Y(jié)構(gòu), 采用相切環(huán)時可在兩環(huán)相切的節(jié)點上采用雙環(huán)網(wǎng)元設(shè)備交叉保護(hù), 克服雙環(huán)相切時節(jié)點保護(hù)可靠性差的問題。支路可根據(jù)實際需要采用鏈形、星形、樹形等結(jié)構(gòu)。另外, 采用SDH 設(shè)備的光纖自愈環(huán)可實現(xiàn)多種形式的通道保護(hù), 而且SDH 光纖環(huán)有較強(qiáng)的自愈能力。傳統(tǒng)的組網(wǎng)概念中,提高傳輸設(shè)備利用率是比較關(guān)鍵的,為了增加線路的占空比,在每個節(jié)點都建立了許多直接通道，致使網(wǎng)絡(luò)結(jié)構(gòu)非常復(fù)雜。而利用SDH 組網(wǎng),使用SDH提供的豐富的開銷字節(jié),就可以極大簡化網(wǎng)絡(luò)結(jié)構(gòu),實現(xiàn)強(qiáng)大的OAM功能,降低傳輸費(fèi)用并支持新業(yè)務(wù)的發(fā)展, 這正符合了現(xiàn)代通信發(fā)展的目標(biāo)。同PDH相比, SDH組網(wǎng)的巨大的優(yōu)越性完全發(fā)揮出來了。網(wǎng)絡(luò)節(jié)點設(shè)備（網(wǎng)元）和傳輸線路的幾何排列就構(gòu)成了網(wǎng)絡(luò)的拓?fù)浣Y(jié)構(gòu)。云南銷售光傳輸設(shè)備烽火Citrans 550F</p><p style="text-indent:25px">電力通信要求確保電能的生產(chǎn)、輸送、分配、消費(fèi)在瞬間是同時完成的。寧夏光傳輸設(shè)備SDH烽火10/100M自適應(yīng)以太網(wǎng)板卡</p><p style="text-indent:25px">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(hù)、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(hù)費(fèi)用、實現(xiàn)靈活可靠和***的網(wǎng)絡(luò)運(yùn)行與維護(hù)，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。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(jī)及各型號單板。華為Metro系列產(chǎn)品：Metro1000｜Metro2050｜Metro3000｜Optix2500+｜Metro5000整機(jī)及各型號單板。華為OSN系列產(chǎn)品：OSN1500B｜OSN2000｜OSN2500｜OSN3500｜OSN7500整機(jī)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)備寧夏光傳輸設(shè)備SDH烽火10/100M自適應(yīng)以太網(wǎng)板卡</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(jīng)營范圍是通信產(chǎn)品，擁有一支專業(yè)技術(shù)團(tuán)隊和良好的市場口碑。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細(xì)節(jié)，公司旗下SDH光傳輸設(shè)備，光端機(jī)，PCM接入設(shè)備，PTN OTN光傳輸設(shè)備深受客戶的喜愛。公司從事通信產(chǎn)品多年，有著創(chuàng)新的設(shè)計、強(qiáng)大的技術(shù)，還有一批獨(dú)立的專業(yè)化的隊伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。騰云科創(chuàng)立足于全國市場，依托強(qiáng)大的研發(fā)實力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/3043952.html</p></div></div></div></div></div><div id="zfll99t" class="page-right twoColRt"><div id="vtrpdb7" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="fl7xvl9" class="recomPic likePro"><a 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