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href="http://www.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="yzqshar" class="twoCol"><div id="oda2fq7" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/second-_txcp/">通信產(chǎn)品</a>?<a href="http://www.cdcfah.com/cp/third-txcp_jrsbtn/">接入設(shè)備</a>?四川代理光傳輸設(shè)備烽火CKU 深圳市騰云科創(chuàng)供應(yīng)</p><div id="dcuwtnz" class="leftbox clearfix"><h1>四川代理光傳輸設(shè)備烽火CKU 深圳市騰云科創(chuàng)供應(yīng)</h1><div id="p88pkho" class="proBig"><div id="i8z3wta" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244847651777344/7289118.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="she87d2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244847651777344/7289118.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3hb7jqs" 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>四川代理光傳輸設(shè)備烽火CKU,烽火</p><p><span>***更新：</span>2021-01-30 01:06:36</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="kolskrd" 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="bqszwtf" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="jifx77v" class="box"><p><p> <span style="font-size:16px;font-family:"Microsoft YaHei";"> 從技術(shù)上來看，接入層的相對(duì)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，四川代理光傳輸設(shè)備烽火CKU，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(jià)地在一個(gè)業(yè)務(wù)提供點(diǎn)（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(hù)。</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";"> 隨著骨干傳輸容量不斷增大，四川代理光傳輸設(shè)備烽火CKU，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，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)能力不單單是網(wǎng)絡(luò)接口或網(wǎng)絡(luò)容量的適應(yīng)能力，四川代理光傳輸設(shè)備烽火CKU，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(yíng)商端局到用戶端的業(yè)務(wù)接入和業(yè)務(wù)收斂是對(duì)未來城域網(wǎng)接入系統(tǒng)的主要需求。</span> </p> <p> <br /> </p> <p> <br /> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";"></span> 為了保證電網(wǎng)安全、經(jīng)濟(jì)地運(yùn)行, 必須配置調(diào)度、保護(hù)、遠(yuǎn)程控制等系統(tǒng)。四川代理光傳輸設(shè)備烽火CKU</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川代理光傳輸設(shè)備烽火CKU,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244847651777344/7289118.jpg"></div><p> 保護(hù)倒換系統(tǒng)：目前環(huán)形網(wǎng)絡(luò)的拓?fù)浣Y(jié)構(gòu)用得比較多，因?yàn)榄h(huán)形網(wǎng)具有較強(qiáng)的自愈功能。自愈環(huán)的分類可按保護(hù)的業(yè)務(wù)級(jí)別、環(huán)上業(yè)務(wù)的方向、網(wǎng)元節(jié)點(diǎn)間光纖數(shù)來劃分。按環(huán)上業(yè)務(wù)的方向可將自愈環(huán)分為單向環(huán)和雙向環(huán)兩大類；按網(wǎng)元節(jié)點(diǎn)間的光纖數(shù)可將自愈環(huán)劃分為雙纖環(huán)(一對(duì)收／發(fā)光纖)和四纖環(huán)(兩對(duì)收發(fā)光纖)；按保護(hù)的業(yè)務(wù)級(jí)別可將自愈環(huán)劃分為通道保護(hù)環(huán)和復(fù)用段保護(hù)環(huán)兩大類。 </p> <p> <br /> </p> <p> SDH通信網(wǎng)具有保護(hù)機(jī)制實(shí)現(xiàn)網(wǎng)絡(luò)的自愈，在發(fā)生短暫失效時(shí)會(huì)自動(dòng)切換到保護(hù)通道，而不需要人工切換。然而，由于人為因素或設(shè)備故障，一旦發(fā)生業(yè)務(wù)中斷，尤其是傳輸繼電保護(hù)信號(hào)的網(wǎng)絡(luò)發(fā)生故障，造成的巨大損失無法估計(jì)。SDH設(shè)備的保護(hù)方式應(yīng)符合ITU.T建議G．841規(guī)范及將來的<span>相關(guān)</span>建議要求。例如某地環(huán)采用二纖雙向復(fù)用段保護(hù)方式，當(dāng)線路出現(xiàn)故障時(shí)可通過傳輸系統(tǒng)的保護(hù)倒換機(jī)制，使業(yè)務(wù)迅速恢復(fù)(保護(hù)倒換時(shí)間在50rIls以內(nèi))。在二纖雙向復(fù)用段保護(hù)環(huán)上無專門的主、備用光纖，每一條光纖的前半個(gè)時(shí)隙是主用信道，后半個(gè)時(shí)隙是備信道，兩根光纖上業(yè)務(wù)流向相反。 </p> <p> <br /> </p> <p> <br /> 四川代理光傳輸設(shè)備烽火CKU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**普遍的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川代理光傳輸設(shè)備烽火CKU,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244847603603516/458709.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(jìn)行光功率放大以延長(zhǎng)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。 </p><p> <span style="font-size:16px;font-family:"Microsoft YaHei";"> STM-N信號(hào)幀結(jié)構(gòu)的安排應(yīng)盡可能使支路低速信號(hào)在一幀內(nèi)均勻、有規(guī)律的分布，以便于從高速信號(hào)中直接上/下低速支路信號(hào)。因此，ITU-T規(guī)定了STM-N的幀是以字節(jié)為單位的矩形塊狀結(jié)構(gòu)。</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";"> STM-N的信號(hào)是9行×270×N列的幀結(jié)構(gòu)。此處的N與STM-N的N相一致，取值范圍：1，4，16，64……。表示此信號(hào)由N個(gè)STM-1 信號(hào)通過字節(jié)間插復(fù)用而成。由此可知，STM-1信號(hào)的幀結(jié)構(gòu)是9行×270列的塊狀幀。并且，當(dāng)N個(gè)STM-1信號(hào)通過字節(jié)間插復(fù)用成STM-N信號(hào)時(shí)，單單是將STM-1信號(hào)的列按字節(jié)間插復(fù)用，行數(shù)恒定為9行不變。</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";"> 我們知道，信號(hào)在線路上串行傳輸時(shí)是逐個(gè)比特（bit）地進(jìn)行的，那么這個(gè)塊狀幀是怎樣在線路上進(jìn)行傳輸?shù)哪兀?STM-N信號(hào)的傳輸也遵循按比特的傳輸方式，SDH信號(hào)幀傳輸?shù)脑瓌t是：按幀結(jié)構(gòu)的順序從左到右，從上到下逐個(gè)字節(jié)，并且逐個(gè)比特地傳輸，傳完一行再傳下一行，傳完一幀再傳下一幀。</span> </p> <p> <br /> </p> <p> <br /> 管理單元指針位于STM-N幀中第4行的***到第9×N列。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川代理光傳輸設(shè)備烽火CKU,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845105136719/8556415.jpg"></div><p style="text-indent:25px">它可實(shí)現(xiàn)網(wǎng)絡(luò)有效管理、實(shí)時(shí)業(yè)務(wù)監(jiān)控、動(dòng)態(tài)網(wǎng)絡(luò)維護(hù)、不同廠商設(shè)備間的互通等多項(xiàng)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(shí)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(diǎn)，受到人們的***重視。深圳騰云科創(chuàng)信息咨詢有限公司主營(yíng)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(hào)單板。華為Metro系列產(chǎn)品：Metro1000｜Metro2050｜Metro3000｜Optix2500+｜Metro5000整機(jī)及各型號(hào)單板。華為OSN系列產(chǎn)品：OSN1500B｜OSN2000｜OSN2500｜OSN3500｜OSN7500整機(jī)及各型號(hào)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SDH網(wǎng)是由SDH網(wǎng)元設(shè)備通過光纜互連而成的。四川光傳輸設(shè)備價(jià)格烽火2路交換式千兆以太網(wǎng)處理板</p><p style="text-indent:25px">各種PDH支路信號(hào)復(fù)用進(jìn)STM-N幀的過程都要經(jīng)歷映射、定位、復(fù)用三個(gè)步驟。四川代理光傳輸設(shè)備烽火CKU</p><p> 近些年，點(diǎn)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(duì)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(kuò)展至用戶端，簡(jiǎn)化維護(hù)工作。3）利用SDH固有靈活性，可使網(wǎng)絡(luò)運(yùn)營(yíng)者更快、更有效地提供用戶所需的長(zhǎng)期和短期業(yè)務(wù)需求。 </p> <p> <br /> </p> <p> <br /> </p> <p> 深圳騰云科創(chuàng)信息咨詢有限公司主營(yíng)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(hào)單板。華為Metro系列產(chǎn)品：Metro1000｜Metro2050｜Metro3000｜Optix2500+｜Metro5000整機(jī)及各型號(hào)單板。華為OSN系列產(chǎn)品：OSN1500B｜OSN2000｜OSN2500｜OSN3500｜OSN7500整機(jī)及各型號(hào)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)備四川代理光傳輸設(shè)備烽火CKU</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，是一家貿(mào)易型的公司。公司業(yè)務(wù)分為SDH光傳輸設(shè)備，光端機(jī)，PCM接入設(shè)備，PTN OTN光傳輸設(shè)備等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司從事通信產(chǎn)品多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)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(guó)市場(chǎng)，依托強(qiáng)大的研發(fā)實(shí)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://www.cdcfah.com/cp/3069465.html</p></div></div></div></div></div><div id="uogn2qz" class="page-right twoColRt"><div id="8criu2p" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ga2qxeq" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="p2277hz" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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