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href="http://m.cdcfah.com/cp/">產(chǎn)品供應</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/">接入設備</a>?湖南光傳輸設備烽火千兆以太網(wǎng)出線卡深圳市騰云科創(chuàng)供應</p><div id="q2tkb8g" class="leftbox clearfix"><h1>湖南光傳輸設備烽火千兆以太網(wǎng)出線卡深圳市騰云科創(chuàng)供應</h1><div id="d3rctcy" class="proBig"><div id="hqmyagm" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244845101923829/7728521.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="g8kwiev" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244845101923829/7728521.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="2dwneqm" 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>湖南光傳輸設備烽火千兆以太網(wǎng)出線卡,烽火</p><p><span>***更新：</span>2020-09-23 09:51:51</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="enzlmne" 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="ktpghne" class="page-proshow02"><p class="title">詳細說明</p><div id="cgxopq2" class="box"><p><p> 免除了**困難的光纜輔設工程，比較適用于具有大規(guī)模用戶的企業(yè)。又如委托公眾網(wǎng)**為本企業(yè)或部門使用的虛擬**網(wǎng)，它所提供的功能和容量完全按照用戶的要求進行，這就免除了全部的投資風險和維護工作，應用機動靈活，使用部門可以專心致力于其本行業(yè)的業(yè)務工作。 </p> <p> 廣而言之，把企業(yè)非**的服務性職能交給社會的專業(yè)部門經(jīng)營，而集中力量從事自己的**業(yè)務，甚至**所謂的虛擬公司，湖南光傳輸設備烽火千兆以太網(wǎng)出線卡，這已經(jīng)成為上世紀90年代以來西方國家的企業(yè)為提高其競爭力而公認的世界性潮流?？傊?，依托穩(wěn)定的服務主體，有條件積極取得進入電信市場競爭的合法地位，或與公網(wǎng)聯(lián)合，間接進軍電信市場，是目前形勢下各大專網(wǎng)的主要選擇；這也是電信技術**的必然產(chǎn)物，湖南光傳輸設備烽火千兆以太網(wǎng)出線卡，更是我國由計劃經(jīng)濟向市場經(jīng)濟轉變的要求。 </p> <p> <br /> SDH并不專屬于某種傳輸介質，湖南光傳輸設備烽火千兆以太網(wǎng)出線卡，它可用于雙絞線、同軸電纜。湖南光傳輸設備烽火千兆以太網(wǎng)出線卡</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南光傳輸設備烽火千兆以太網(wǎng)出線卡,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845101923829/7728521.jpg"></div><p> <p> 近些年，點播電視、多媒體業(yè)務和其他寬帶業(yè)務如雨后春筍般紛紛出現(xiàn)，為SDH應用在接入網(wǎng)中提供了廣闊的空間。SDH技術應用于接入網(wǎng)的好處是：1）對于要求高可靠、高質量業(yè)務的大型企事業(yè)用戶，SDH可以提供較為理想的網(wǎng)絡性能和業(yè)務可靠性。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)絡運營者更快、更有效地提供用戶所需的長期和短期業(yè)務需求。 </p> <p> 從技術上來看，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)務傳送。以SDH 系統(tǒng)為基礎并能夠提供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)務提供點（POP）上提供高質量專線、ATM 、IP 等業(yè)務的接入、傳送和保護。 </p> </p> <p> <br /> </p> <p> <br /> 廣西光傳輸設備價格烽火 E1板卡維護，產(chǎn)品維修，計算機系統(tǒng)集成施工。為客戶提供質量產(chǎn)品、完善的解決方案。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南光傳輸設備烽火千兆以太網(wǎng)出線卡,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244847724550782/6753357.jpg"></div><p> 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(wǎng)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(wǎng)絡。 </p> <p> 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 </p> <p> 業(yè)務容量（*考慮主用業(yè)務） </p> <p> 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)）。 </p> <p> 復雜性 </p> <p> 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**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**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**復雜的。 </p> <p> 兼容性 </p><p> STM-N信號幀結構的安排應盡可能使支路低速信號在一幀內均勻、有規(guī)律的分布，以便于從高速信號中直接上/下低速支路信號。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構。 </p> <p> STM-N的信號是9行×270×N列的幀結構。此處的N與STM-N的N相一致，取值范圍：1，4，16，64……。表示此信號由N個STM-1 信號通過字節(jié)間插復用而成。由此可知，STM-1信號的幀結構是9行×270列的塊狀幀。并且，當N個STM-1信號通過字節(jié)間插復用成STM-N信號時，**是將STM-1信號的列按字節(jié)間插復用，行數(shù)恒定為9行不變。 </p> <p> 我們知道，信號在線路上串行傳輸時是逐個比特（bit）地進行的，那么這個塊狀幀是怎樣在線路上進行傳輸?shù)哪兀?STM-N信號的傳輸也遵循按比特的傳輸方式，SDH信號幀傳輸?shù)脑瓌t是：按幀結構的順序從左到右，從上到下逐個字節(jié)，并且逐個比特地傳輸，傳完一行再傳下一行，傳完一幀再傳下一幀。 </p> <p> <br /> STM-N的信號是9行×270×N列的幀結構。此處的N與STM-N的N相一致。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南光傳輸設備烽火千兆以太網(wǎng)出線卡,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244847603603516/458709.jpg"></div><p> <p> 傳輸網(wǎng)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(wǎng)為例說明單向業(yè)務和雙向業(yè)務的區(qū)別。 </p> <p> <br /> </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(wǎng)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(chǎn)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(chǎn)品：Metro1000｜Metro2050｜Metro3000｜Optix2500+｜Metro5000整機及各型號單板。供應華為OSN系列產(chǎn)品：OSN1500B｜OSN2000｜OSN2500｜OSN3500｜OSN7500整機及各型號單板。供應烽火IBAS系列產(chǎn)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！ </p> </p> <p> <br /> 各種PDH支路信號復用進STM-N幀的過程都要經(jīng)歷映射、定位、復用三個步驟。云南代理光傳輸設備烽火 E1板卡</p><p style="text-indent:25px">主要進行光功率放大以延長光傳輸距離；湖南光傳輸設備烽火千兆以太網(wǎng)出線卡</p><p> 電力通信**網(wǎng)的特點 </p> <p> 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, 如圖像監(jiān)控、實時數(shù)據(jù)采集、實時控制、各種管理信息系統(tǒng)(MIS) 等,原先采用窄帶數(shù)據(jù)網(wǎng)承載的業(yè)務也逐步轉移到寬帶數(shù)據(jù)網(wǎng)上。除此之外, 電力通信**網(wǎng)本身還具有一些特點: </p> <p> (1) 電力通信網(wǎng)基本上應以光纖通信為主, 以微波通信作備份或補充。 </p> <p> (2) 光纖網(wǎng)絡拓撲結構復雜, 整個網(wǎng)絡節(jié)點數(shù)非常多, 需要傳輸設備有很強的組網(wǎng)和網(wǎng)絡管理能力,且對設備的可靠性要求非常高。 </p> <p> (3) 電力系統(tǒng)所敷設光纜通常芯數(shù)較少, 考慮到今后可能作為電信運營商, 應盡量節(jié)約光纖通信系統(tǒng)所占用的光纖芯數(shù)。 </p> <p> (4) 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、視頻和數(shù)據(jù)多網(wǎng)融合。 </p> <p> （5) 目前的業(yè)務接口需求主要有POTS、2W/4W、E&M、V.24、V.35、ISDN、E1、E3/T 3、10Mb/100Mb以太網(wǎng)接口等, 未來的業(yè)務需求大,多基于寬帶數(shù)據(jù)網(wǎng)。采用基于SDH 和MSTP, 可使調度網(wǎng)實現(xiàn)計算機網(wǎng)絡的遠程互聯(lián), 在SDH平臺上實現(xiàn)以太網(wǎng)業(yè)務傳送功能, 從而實現(xiàn)二網(wǎng)合一, 且極大地降低網(wǎng)絡建設成本。湖南光傳輸設備烽火千兆以太網(wǎng)出線卡</p><p style="text-indent:25px">深圳市騰云科創(chuàng)信息咨詢有限公司是一家電力設備、電子元器件、電子產(chǎn)品、建筑材料、通信設備(中興通訊及華為技術各系列產(chǎn)品板件及整套設備的銷售與安裝，設備維護及板件返修，以及各設備可配置的單板，用戶電纜，中繼電纜等)、辦公設備、五金交電、化工原料（不含危險及監(jiān)控化學品）的銷售；經(jīng)濟信息咨詢；經(jīng)營進出口業(yè)務。的公司，是一家集研發(fā)、設計、生產(chǎn)和銷售為一體的專業(yè)化公司。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 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