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container clearfix"><div id="2taczt8" class="twoCol"><div id="mpr2o8n" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://m.cdcfah.com/">首頁?<a href="http://m.cdcfah.com/cp/">產品供應</a>?<a href="http://m.cdcfah.com/cp/second-_txcp/">通信產品</a>?<a href="http://m.cdcfah.com/cp/third-txcp_jrsbtn/">接入設備</a>?江門烽火STM-16 深圳市騰云科創(chuàng)供應「深圳市騰云科創(chuàng)供應」</p><div id="zj838hj" class="leftbox clearfix"><h1>江門烽火STM-16 深圳市騰云科創(chuàng)供應「深圳市騰云科創(chuàng)供應」</h1><div id="vk4rdkm" class="proBig"><div id="3qi798v" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244845105205079/5635847.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="a84vmta" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244845105205079/5635847.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="jlkrt7f" 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>產品關鍵詞：</span>江門烽火STM-16</p><p><span>***更新：</span>2020-07-03 00:32:34</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="j29wypm" 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="7z8843l" class="page-proshow02"><p class="title">詳細說明</p><div id="biczmog" class="box"><p><p><p> <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> 隨著骨干傳輸容量不斷增大，城域傳輸網絡的接入能力也多樣化。但以IP為主的網絡業(yè)務仍然是不可預知的，這需要傳輸網絡具有更好的自適應能力，而這種自適應能力不**是網絡接口或網絡容量的適應能力，而且要求網絡連接的自適應能力?？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)務接入和業(yè)務收斂是對未來城域網接入系統(tǒng)的主要需求。 </p> </p> <p> <br /> </p> </p> <p> <br /> </p></p><p><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244847724550782/6753357.jpg" /></p><p><p> SDH網絡的常見網元和功能 </p> <p> SDH傳輸網是由不同類型的網元通過光纜線路的連接組成的，通過不同的網元完成SDH網的傳送功能：上/下業(yè)務、交叉連接業(yè)務、網絡故障自愈等。下面我們講述SDH網中常見網元的特點和基本功能。 </p> <p> TM——終端復用器 </p> <p> 終端復用器用在網絡的終端站點上，例如一條鏈的兩個端點上，它是一個雙端口器件。它的作用是將支路端口的低速信號復用到線路端口的高速信號STM-N中，或從STM-N的信號中分出低速支路信號。請注意它的線路端口輸入/輸出一路STM-N信號，而支路端口卻可以輸出/輸入多路低速支路信號。在將低速支路信號復用進STM-N幀（將低速信號復用到線路）上時，有一個交叉的功能，例如：可將支路的一個STM-1信號復用進線路上的STM-16信號中的任意位置上，也就是指復用在1~16個STM-1的任一個位置上。將支路的2Mbit/s信號可復用到一個STM-1中63個VC12的任一個位置上去。對于華為設備，TM的線路端口（光口）一般以西向端口默認表示的。 </p></p><p><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244845101923829/7728521.jpg" /></p><p>深圳騰云科創(chuàng)信息咨詢有限公司，成立于2015年專業(yè)從事通信產品購銷以及施工，維護，產品維修，計算機系統(tǒng)集成施工。公司擁有專業(yè)的技術團隊，由廠家(中興通訊，華為技術，烽火通信)服務10年以上從業(yè)經驗的技術****，并有多名專業(yè)技術人員為您提供專業(yè)的商務技術和專業(yè)解決方案。公司主營中興通訊及華為技術各系列產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。公司業(yè)務涉及交通、金融、教育、衛(wèi)生、科研等系統(tǒng)已經建立了牢固的業(yè)務合作伙伴關系。積極面向市場為廣大行業(yè)用戶提供設計、安裝、調試、培訓、維護的“一條龍"服務。本公司以質量的服務、良好的信譽、雄厚的技術力量為廣大客戶提供質量服務。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江門烽火STM-16" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845105205079/5635847.jpg"></div></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/474445.html</p></div></div></div></div></div><div id="3pbyfm3" class="page-right twoColRt"><div id="yb78yhy" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ixcyvmj" class="recomPic likePro"><a 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