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class="twoCol"><div id="ycriu82" 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>?西藏光傳輸設(shè)備烽火千兆以太網(wǎng)出線卡深圳市騰云科創(chuàng)供應(yīng)</p><div id="s7ws3oa" class="leftbox clearfix"><h1>西藏光傳輸設(shè)備烽火千兆以太網(wǎng)出線卡深圳市騰云科創(chuàng)供應(yīng)</h1><div id="e7d32ya" class="proBig"><div id="hovcwkl" 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="ts8czq3" 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="8qvsugs" 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>西藏光傳輸設(shè)備烽火千兆以太網(wǎng)出線卡,烽火</p><p><span>***更新：</span>2020-09-24 04:06:46</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="8rovct3" 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(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="ds3ipr3" class="page-proshow02"><p class="title">詳細說明</p><div id="mqk8p8i" class="box"><p><p> 在各種寬帶光纖接入網(wǎng)技術(shù)中，采用了SDH技術(shù)的接入網(wǎng)系統(tǒng)是應(yīng)用**普遍的。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。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，西藏光傳輸設(shè)備烽火千兆以太網(wǎng)出線卡，且價格越來越低，西藏光傳輸設(shè)備烽火千兆以太網(wǎng)出線卡，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、標(biāo)準(zhǔn)化的光接口、強大的網(wǎng)管能力，西藏光傳輸設(shè)備烽火千兆以太網(wǎng)出線卡、靈活網(wǎng)絡(luò)拓撲能力和高可靠性帶來好處，在接入網(wǎng)的建設(shè)發(fā)展中長期受益。 </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。西藏光傳輸設(shè)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="西藏光傳輸設(shè)備烽火千兆以太網(wǎng)出線卡,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845103808594/6520524.jpg"></div><p> 基本的網(wǎng)絡(luò)拓撲結(jié)構(gòu) </p> <p> SDH網(wǎng)是由SDH網(wǎng)元設(shè)備通過光纜互連而成的，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)的拓撲結(jié)構(gòu)。網(wǎng)絡(luò)的有效性、可靠性和經(jīng)濟性在很大程度上與其拓撲結(jié)構(gòu)有關(guān)。 </p> <p> 網(wǎng)絡(luò)拓撲的基本結(jié)構(gòu)有鏈形、星形、樹形、環(huán)形和網(wǎng)孔形。 </p> <p> 鏈形網(wǎng) </p> <p> 鏈形網(wǎng)絡(luò)拓撲是將網(wǎng)中的所有節(jié)點一一串聯(lián)，而首尾兩端開放。這種拓撲的特點是較經(jīng)濟，在SDH網(wǎng)的早期用得較多，主要用于專網(wǎng)如鐵路網(wǎng)中。 </p> <p> 星形網(wǎng) </p> <p> 星形網(wǎng)絡(luò)拓撲是將網(wǎng)中一網(wǎng)元做為中心節(jié)點設(shè)備與其他各網(wǎng)元節(jié)點相連，其他各網(wǎng)元節(jié)點之間互不相連，網(wǎng)元節(jié)點的業(yè)務(wù)都要經(jīng)過這個特殊節(jié)點轉(zhuǎn)接。 </p> <p> <br /> </p> <p> <br /> 海南銷售光傳輸設(shè)備烽火STM-4為了實時監(jiān)測貨物（打包的低速信號）在傳輸過程中是否有損壞。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="西藏光傳輸設(shè)備烽火千兆以太網(wǎng)出線卡,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845101689454/9165528.jpg"></div><p> <p> <p> 從技術(shù)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(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，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(wù)提供點（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。 </p> <p> 隨著骨干傳輸容量不斷增大，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**是網(wǎng)絡(luò)接口或網(wǎng)絡(luò)容量的適應(yīng)能力，而且要求網(wǎng)絡(luò)連接的自適應(yīng)能力?？偟膩碚f，低成本、靈活快速的完成運營商端局到用戶端的業(yè)務(wù)接入和業(yè)務(wù)收斂是對未來城域網(wǎng)接入系統(tǒng)的主要需求。 </p> </p> <p> <br /> </p> </p> <p> <br /> </p><p> SDH的應(yīng)用 </p> <p> 由于以上所述的SDH的眾多特性，使其在廣域網(wǎng)領(lǐng)域和**網(wǎng)領(lǐng)域得到了巨大的發(fā)展。中國移動、電信、聯(lián)通、廣電等電信運營商都已經(jīng)大規(guī)模建設(shè)了基于SDH的骨干光傳輸網(wǎng)絡(luò)。利用大容量的SDH環(huán)路承載IP業(yè)務(wù)、ATM業(yè)務(wù)或直接以租用電路的方式出租給企、事業(yè)單位。而一些大型的**網(wǎng)絡(luò)也采用了SDH技術(shù)，架設(shè)系統(tǒng)內(nèi)部的SDH光環(huán)路，以承載各種業(yè)務(wù)。比如電力系統(tǒng)，就利用SDH環(huán)路承載內(nèi)部的數(shù)據(jù)、遠控、視頻、語音等業(yè)務(wù)。 </p> <p> 而對于組網(wǎng)更加迫切、而又沒有可能架設(shè)**SDH環(huán)路的單位，很多都采用了租用電信運營商電路的方式。由于SDH基于物理層的特點，單位可在租用電路上承載各種業(yè)務(wù)而不受傳輸?shù)南拗?。承載方式有很多種，可以是利用基于TDM技術(shù)的綜合復(fù)用設(shè)備實現(xiàn)多業(yè)務(wù)的復(fù)用，也可以利用基于IP的設(shè)備實現(xiàn)多業(yè)務(wù)的分組交換。SDH技術(shù)可真正實現(xiàn)租用電路的帶寬保證，安全性方面也優(yōu)于VPN等方式。在****和對安全性非常注重的企業(yè)，SDH租用線路得到了***的應(yīng)用。一般來說，SDH可提供E1、E3、STM-1或STM-4等接口，完全可以滿足各種帶寬要求。同時在價格方面，也已經(jīng)為大部分單位所接受。為了保證電網(wǎng)安全、經(jīng)濟地運行, 必須配置調(diào)度、保護、遠程控制等系統(tǒng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="西藏光傳輸設(shè)備烽火千兆以太網(wǎng)出線卡,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845105205079/5635847.jpg"></div><p> 傳輸網(wǎng)上的業(yè)務(wù)按流向可分為單向業(yè)務(wù)和雙向業(yè)務(wù)。以環(huán)網(wǎng)為例說明單向業(yè)務(wù)和雙向業(yè)務(wù)的區(qū)別。 </p> <p> <br /> </p> <p> 若A和C之間互通業(yè)務(wù)，A到C的業(yè)務(wù)路由假定是A→B→C，若此時C到A的業(yè)務(wù)路由是C→B→A，則業(yè)務(wù)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(wù)從A到C和業(yè)務(wù)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(wù)為雙向業(yè)務(wù)，分離路由的業(yè)務(wù)為單向業(yè)務(wù)。常見組網(wǎng)的業(yè)務(wù)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(zhì)量的服務(wù)、良好的信譽、雄厚的技術(shù)力量為廣大客戶提供質(zhì)量服務(wù)。我司供應(yīng)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(yīng)華為Metro系列產(chǎn)品：Metro1000｜Metro2050｜Metro3000｜Optix2500+｜Metro5000整機及各型號單板。供應(yīng)華為OSN系列產(chǎn)品：OSN1500B｜OSN2000｜OSN2500｜OSN3500｜OSN7500整機及各型號單板。供應(yīng)烽火IBAS系列產(chǎn)品： IBAS780A｜IBAS780B供應(yīng)PCM綜合接入設(shè)備：FA16接入設(shè)備｜BX10接入設(shè)備。努力奉獻，您的滿意是我們一直的追求！環(huán)形網(wǎng)拓撲實際上是指將鏈形拓撲首尾相連。西藏SDH光傳輸設(shè)備烽火千兆以太網(wǎng)出線卡</p><p style="text-indent:25px">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。西藏光傳輸設(shè)備烽火千兆以太網(wǎng)出線卡</p><p> 免除了**困難的光纜輔設(shè)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(fēng)險和維護工作，應(yīng)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(wù)工作。 </p> <p> 廣而言之，把企業(yè)非**的服務(wù)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(wù)，甚至**所謂的虛擬公司，這已經(jīng)成為上世紀(jì)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。總之，依托穩(wěn)定的服務(wù)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(shù)**的必然產(chǎn)物，更是我國由計劃經(jīng)濟向市場經(jīng)濟轉(zhuǎn)變的要求。 </p> <p> <br /> 西藏光傳輸設(shè)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，PCM接入設(shè)備，PTN OTN光傳輸設(shè)備等，目前不斷進行創(chuàng)新和服務(wù)改進，為客戶提供良好的產(chǎn)品和服務(wù)。公司秉持誠信為本的經(jīng)營理念，在通信產(chǎn)品深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點，發(fā)揮人才優(yōu)勢，打造通信產(chǎn)品良好品牌。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(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/1399347.html</p></div></div></div></div></div><div id="ts7nugf" class="page-right twoColRt"><div id="8t87onj" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ys9jahj" class="recomPic likePro"><a 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