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深圳市騰云科創(chuàng)供應(yīng)「深圳市騰云科創(chuàng)供應(yīng)」</h1><div id="u39s2eu" class="proBig"><div id="vkmel8e" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244847603603516/458709.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8o43lwd" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244847603603516/458709.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="jtaxefm" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>四川SDH光端機(jī)烽火STM-4</p><p><span>***更新：</span>2020-07-30 04:02:09</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="8fugd8n" 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(jī): </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(hào)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="ue3ap3m" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="lvx7n8e" class="box"><p><p><p> 電力通信**網(wǎng)的特點(diǎn) </p> <p> 隨著網(wǎng)絡(luò)傳輸技術(shù)的不斷發(fā)展, 電力系統(tǒng)中基于寬帶數(shù)據(jù)網(wǎng)的應(yīng)用也越來(lái)越多, 如圖像監(jiān)控、實(shí)時(shí)數(shù)據(jù)采集、實(shí)時(shí)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(wù)也逐步轉(zhuǎn)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(diǎn): </p> <p> (1) 電力通信網(wǎng)基本上應(yīng)以光纖通信為主, 以微波通信作備份或補(bǔ)充。 </p> <p> (2) 光纖網(wǎng)絡(luò)拓?fù)浣Y(jié)構(gòu)復(fù)雜, 整個(gè)網(wǎng)絡(luò)節(jié)點(diǎn)數(shù)非常多, 需要傳輸設(shè)備有很強(qiáng)的組網(wǎng)和網(wǎng)絡(luò)管理能力,且對(duì)設(shè)備的可靠性要求非常高。 </p> <p> (3) 電力系統(tǒng)所敷設(shè)光纜通常芯數(shù)較少, 考慮到今后可能作為電信運(yùn)營(yíng)商, 應(yīng)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(gè)電力部門(mén)目前和將來(lái)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(wù)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(lái)的業(yè)務(wù)需求大,多基于寬帶數(shù)據(jù)網(wǎng)。采用基于SDH 和MSTP, 可使調(diào)度網(wǎng)實(shí)現(xiàn)計(jì)算機(jī)網(wǎng)絡(luò)的遠(yuǎn)程互聯(lián), 在SDH平臺(tái)上實(shí)現(xiàn)以太網(wǎng)業(yè)務(wù)傳送功能, 從而實(shí)現(xiàn)二網(wǎng)合一, 且極大地降低網(wǎng)絡(luò)建設(shè)成本。 </p></p><p><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244845103808594/6520524.jpg" /></p><p><p> <p> 二纖單向通道保護(hù)環(huán)，無(wú)論從實(shí)現(xiàn)控制的復(fù)雜性，還是設(shè)備的開(kāi)發(fā)和制作難度來(lái)說(shuō)，都是各種倒換環(huán)中**簡(jiǎn)單的。由于它不涉及APS的協(xié)議處理過(guò)程，因而業(yè)務(wù)倒換時(shí)間也**短。二纖雙向復(fù)用段保護(hù)環(huán)的控制邏輯和設(shè)備開(kāi)發(fā)制作則是各種倒換環(huán)中**復(fù)雜的。 </p> <p> 兼容性 </p> <p> 二纖單向通道保護(hù)環(huán)*使用已經(jīng)完全預(yù)定好了的規(guī)則，由通道AIS信號(hào)來(lái)觸發(fā)倒換，與現(xiàn)行SDH標(biāo)準(zhǔn)完全相容，因而也容易滿足多廠家產(chǎn)品兼容性要求。 </p> <p> 二纖雙向復(fù)用段保護(hù)環(huán)使用APS協(xié)議控制倒換，而APS協(xié)議尚未標(biāo)準(zhǔn)化，所以復(fù)用段倒換環(huán)目前都不能滿足多廠家產(chǎn)品兼容性的要求。 </p> </p> <p> <br /> </p></p><p><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244847603603516/458709.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(chǎn)品購(gòu)銷以及施工，維護(hù)，產(chǎn)品維修，計(jì)算機(jī)系統(tǒng)集成施工。公司擁有專業(yè)的技術(shù)團(tuán)隊(duì)，由廠家(中興通訊，華為技術(shù)，烽火通信)服務(wù)10年以上從業(yè)經(jīng)驗(yàn)的技術(shù)****，并有多名專業(yè)技術(shù)人員為您提供專業(yè)的商務(wù)技術(shù)和專業(yè)解決方案。公司主營(yíng)中興通訊及華為技術(shù)各系列產(chǎn)品板件及整套設(shè)備的銷售與安裝，設(shè)備維護(hù)及板件返修，以及各設(shè)備可配置的單板，用戶電纜，中繼電纜等。公司業(yè)務(wù)涉及交通、金融、教育、衛(wèi)生、科研等系統(tǒng)已經(jīng)建立了牢固的業(yè)務(wù)合作伙伴關(guān)系。積極面向市場(chǎng)為廣大行業(yè)用戶提供設(shè)計(jì)、安裝、調(diào)試、培訓(xùn)、維護(hù)的“一條龍"服務(wù)。本公司以質(zhì)量的服務(wù)、良好的信譽(yù)、雄厚的技術(shù)力量為廣大客戶提供質(zhì)量服務(wù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川SDH光端機(jī)烽火STM-4" src="https://tyunfile.71360.com/UploadFile/sztykc/637244847603603516/458709.jpg"></div></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/747120.html</p></div></div></div></div></div><div id="hgy4wgi" class="page-right twoColRt"><div id="tyicjqx" class="box01 margin10 clearfix"><h3><a 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