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<meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://www.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u 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class="proBig"><div id="q3jxwno" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637236134618779297/1165395.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="iomkq23" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637236134618779297/1165395.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="gz38oj2" 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>江蘇中興路由器設備板件中興8905雙交流雙主控,中興</p><p><span>***更新：</span>2021-01-22 05:08:38</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="hftp3al" 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="2gneari" class="page-proshow02"><p class="title">詳細說明</p><div id="2yfbxyz" class="box"><p><strong> <p> 深圳市騰云科創(chuàng)信息咨詢有限公司以質(zhì)量的服務，江蘇中興路由器設備板件中興8905雙交流雙主控、良好的信譽、雄厚的技術力量為廣大客戶提供質(zhì)量服務。我司供應光傳輸設備，中興ZXMP系列產(chǎn)品：ZXMPS200｜ZXMPS320｜ZXMPS330｜ZXMPS325｜ZXMPS385｜ZXMPS390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，江蘇中興路由器設備板件中興8905雙交流雙主控。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。 </p> <p> <br /> SDH已被各國列入21世紀高速通信網(wǎng)的應用項目，江蘇中興路由器設備板件中興8905雙交流雙主控，是電信界公認的數(shù)字傳輸網(wǎng)的發(fā)展方向，具有遠大的商用前景。江蘇中興路由器設備板件中興8905雙交流雙主控</p> </strong><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇中興路由器設備板件中興8905雙交流雙主控,中興" src="https://tyunfile.71360.com/UploadFile/sztykc/637236134618779297/1165395.jpg"></div><p> 近年來，SDH作為新一代理想的傳輸體系，具有路由自動選擇能力，上下電路方便，維護、控制、管理功能強，標準統(tǒng)一，便于傳輸更高速率的業(yè)務等優(yōu)點，能很好地適應通信網(wǎng)飛速發(fā)展的需要。SDH技術與一些先進技術相結合，如光波分復用（WDM）、ATM技術、Internet技術（IP </p> <p> over SDH）等，使SDH網(wǎng)絡的作用越來越大。SDH已被各國列入21世紀高速通信網(wǎng)的應用項目，是電信界公認的數(shù)字傳輸網(wǎng)的發(fā)展方向，具有遠大的商用前景。中興SDH光傳輸設備，光端機。認準深圳市騰云科創(chuàng)信息咨詢有限公司。貴州路由器光傳輸設備中興S1GT48A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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇中興路由器設備板件中興8905雙交流雙主控,中興" src="https://tyunfile.71360.com/UploadFile/sztykc/637236134618583985/8509324.jpg"></div><p> 中興SDH光傳輸設備，光端機。認準深圳市騰云科創(chuàng)信息咨詢有限公司。成立于2015年專業(yè)從事通信產(chǎn)品購銷以及施工，維護，產(chǎn)品維修，計算機系統(tǒng)集成施工。并供應中興ZXMP系列產(chǎn)品：ZXMP </p> <p> S200｜ZXMP S320｜ZXMP S330｜ZXMP S325｜ZXMP S385｜ZXMP </p> <p> 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。以質(zhì)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(zhì)量好服務，在業(yè)界贏得廣大客戶認可及一致好評。 </p> <p> <br /> </p><p> SDH網(wǎng)是由SDH網(wǎng)元設備通過光纜互連而成的，網(wǎng)絡節(jié)點設備（網(wǎng)元）和傳輸線路的幾何排列就構成了網(wǎng)絡的拓撲結構。網(wǎng)絡的有效性、可靠性和經(jīng)濟性在很大程度上與其拓撲結構有關。 </p> <p> 網(wǎng)絡拓撲的基本結構有鏈形、星形、樹形、環(huán)形和網(wǎng)孔形。 </p> <p> 鏈形網(wǎng)絡拓撲是將網(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)絡拓撲是將網(wǎng)中一網(wǎng)元做為中心節(jié)點設備與其他各網(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)務都要經(jīng)過這個特殊節(jié)點轉(zhuǎn)接。 </p> <p> 樹形網(wǎng)絡拓撲可看成是鏈形拓撲和星形拓撲的結合。 </p> <p> 環(huán)形網(wǎng)拓撲實際上是指將鏈形拓撲首尾相連，從而使網(wǎng)上任何一個網(wǎng)元節(jié)點都不對外開放的網(wǎng)絡拓撲形式。這是當前使用比較多的網(wǎng)絡拓撲形式，主要是因為它具有很強的生存性，即自愈功能較強。 </p> <p> 將所有網(wǎng)元節(jié)點兩兩相連，就形成了網(wǎng)孔形網(wǎng)絡。這種網(wǎng)絡拓撲為兩網(wǎng)元節(jié)點間提供多個傳輸路由，使網(wǎng)絡的可靠更強。但是由于系統(tǒng)的冗余度高，必會使系統(tǒng)有效性降低，成本高且結構復雜。 </p> <p> 當前用得多的網(wǎng)絡拓撲是鏈形和環(huán)形，通過它們的靈活組合，可構成更加復雜的網(wǎng)絡。 </p> <p> 中興SDH光傳輸設備，光端機。認準深圳市騰云科創(chuàng)信息咨詢有限公司 </p> <p> <br /> </p> <p> <br /> 中興傳輸各系列產(chǎn)品板件及整套設備的銷售與安裝設備主要有。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇中興路由器設備板件中興8905雙交流雙主控,中興" src="https://tyunfile.71360.com/UploadFile/sztykc/637236134621074219/7982813.jpg"></div><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(zhì)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。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 </p> <p> 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(chǎn)品：Metro1000｜Metro2050｜Metro3000｜Optix2500+｜Metro5000整機及各型號單板。華為OSN系列產(chǎn)品：OSN1500B｜OSN2000｜OSN2500｜OSN3500｜OSN7500整機及各型號單板。烽火IBAS系列產(chǎn)品： </p> <p> IBAS780A｜IBAS780B， PCM綜合接入設備介紹：FA16接入設備｜BX10接入設備 </p> <p> 為實現(xiàn)下一代高速PON接入提供了解決方案和符合傳輸標準的新技術。江蘇中興路由器設備板件中興8905雙交流雙主控</p><p style="text-indent:25px">SDH是數(shù)字傳輸體制上繼PDH之后的一次劃時代的飛躍。江蘇中興路由器設備板件中興8905雙交流雙主控</p><p> 騰云科創(chuàng)是一家專業(yè)從事中興傳輸設備、華為SDH光傳輸設備、PCM接入設備、以及設備所配置的業(yè)務板卡等通信產(chǎn)品銷售及通信智能化項目施工的公司。我們秉承“客戶至上，誠信務實”的服務理念，用心、創(chuàng)新、高效，以**的專業(yè)技術為客戶提供** 佳的需求服務。我司供應光傳輸設備，SDH光端機，中興ZXMP系列產(chǎn)品：ZXMP </p> <p> 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： </p> <p> IBAS780A｜IBAS780B供應PCM綜合接入設備：FA16接入設備｜BX10接入設備，您的滿意，是我們一直的追求！江蘇中興路由器設備板件中興8905雙交流雙主控</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)易型公司。公司業(yè)務涵蓋SDH光傳輸設備，光端機，PCM接入設備，PTN OTN光傳輸設備等，價格合理，品質(zhì)有保證。公司秉持誠信為本的經(jīng)營理念，在通信產(chǎn)品深耕多年，以技術為先導，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，融合前沿的技術理念，飛快響應客戶的變化需求。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2955240.html</p></div></div></div></div></div><div id="utpvmnj" class="page-right twoColRt"><div id="vdjklct" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="unzfgm8" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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