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href="http://m.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://m.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="jnkhtk2" class="twoCol"><div id="38zph3m" 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>?中興SDH光傳輸設(shè)備深圳市騰云科創(chuàng)供應(yīng)</p><div id="dm273p7" class="leftbox clearfix"><h1>中興SDH光傳輸設(shè)備深圳市騰云科創(chuàng)供應(yīng)</h1><div id="34ipwti" class="proBig"><div id="veqnpgd" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637236134615585938/7381469.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8ary77g" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637236134615585938/7381469.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="b2fc8hd" 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>中興SDH光傳輸設(shè)備</p><p><span>***更新：</span>2020-05-29 07:21:50</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="3g8ofhy" 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="jhegiuw" class="page-proshow02"><p class="title">詳細說明</p><div id="ae22n2t" class="box"><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)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)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，中興SDH光傳輸設(shè)備，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> 樹形網(wǎng)絡(luò)拓撲可看成是鏈形拓撲和星形拓撲的結(jié)合。 </p> <p> 環(huán)形網(wǎng)拓撲實際上是指將鏈形拓撲首尾相連，中興SDH光傳輸設(shè)備，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(luò)拓撲形式。這是當(dāng)前使用**多的網(wǎng)絡(luò)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，中興SDH光傳輸設(shè)備，就形成了網(wǎng)孔形網(wǎng)絡(luò)。這種網(wǎng)絡(luò)拓撲為兩網(wǎng)元節(jié)點間提供多個傳輸路由，使網(wǎng)絡(luò)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(jié)構(gòu)復(fù)雜。 </p> <p> 當(dāng)前用得**多的網(wǎng)絡(luò)拓撲是鏈形和環(huán)形，通過它們的靈活組合，可構(gòu)成更加復(fù)雜的網(wǎng)絡(luò)。 </p> <p> 中興SDH光傳輸設(shè)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><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="中興SDH光傳輸設(shè)備" src="https://tyunfile.71360.com/UploadFile/sztykc/637236134615585938/7381469.jpg"></div><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)光傳輸設(shè)備，中興ZXMP系列產(chǎn)品：ZXMP S200｜ZXMP S320｜ZXMP </p> <p> 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 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="中興SDH光傳輸設(shè)備" src="https://tyunfile.71360.com/UploadFile/sztykc/637236134621074219/7982813.jpg"></div><p> 華為光傳輸設(shè)備，SDH光端機。推薦深圳市騰云科創(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(yīng)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(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。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)，在業(yè)界贏得廣大客戶認可及一致好評。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="中興SDH光傳輸設(shè)備" src="https://tyunfile.71360.com/UploadFile/sztykc/637236134616074219/7795521.jpg"></div></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/75680.html</p></div></div></div></div></div><div id="8yxy78t" class="page-right twoColRt"><div id="hbnp7pq" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="p3jlse8" class="recomPic likePro"><a href="http://m.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配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="ktvn8a3" class="recomPic 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