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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="n7pw9he" 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>上海正規(guī)中興DWDMM800/M900,中興</p><p><span>***更新：</span>2020-12-03 17:14:56</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="8celkgs" 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="koldse7" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="lyqsctq" class="box"><p><p> SDH光傳輸設(shè)備，是一種將復(fù)接、線路傳輸及交換功能融為一體、并由統(tǒng)一網(wǎng)管系統(tǒng)操作的綜合信息傳送網(wǎng)絡(luò)，上海正規(guī)中興DWDMM800/M900。SDH光傳輸設(shè)備可實(shí)現(xiàn)網(wǎng)絡(luò)有效管理、實(shí)時(shí)業(yè)務(wù)監(jiān)控、動(dòng)態(tài)網(wǎng)絡(luò)維護(hù)，上海正規(guī)中興DWDMM800/M900、不同廠商設(shè)備間的互通等多項(xiàng)功能，能**提高網(wǎng)絡(luò)資源利用率、降低管理及維護(hù)費(fèi)用、實(shí)現(xiàn)靈活可靠和高效的網(wǎng)絡(luò)運(yùn)行與維護(hù)，因此是當(dāng)今世界信息領(lǐng)域在傳輸技術(shù)方面的發(fā)展和應(yīng)用的熱點(diǎn)，受到人們的***重視。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：ZXMPS200｜ZXMP S320｜ZXMP S330｜ZXMP S325｜ZXMP S385｜ZXMP S390整機(jī)及各型號(hào)單板。華為Metro系列產(chǎn)品：Metro1000｜Metro2050｜Metro3000｜Optix2500+｜Metro5000整機(jī)及各型號(hào)單板。華為OSN系列產(chǎn)品：OSN1500B｜OSN2000｜OSN2500｜OSN3500｜OSN7500整機(jī)及各型號(hào)單板。烽火IBAS系列產(chǎn)品： IBAS780A｜IBAS780B，上海正規(guī)中興DWDMM800/M900， PCM綜合接入設(shè)備介紹：FA16接入設(shè)備｜BX10接入設(shè)備 </p> <p> </p> <p> <br /> 深圳市騰云科創(chuàng)信息咨詢有限公司專業(yè)從事華為光端機(jī)，中興光通信設(shè)備的銷售及安裝調(diào)試。上海正規(guī)中興DWDMM800/M900</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海正規(guī)中興DWDMM800/M900,中興" src="https://tyunfile.71360.com/UploadFile/sztykc/637236134621074219/4189650.jpg"></div><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(diǎn)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?fù)浣Y(jié)構(gòu)。網(wǎng)絡(luò)的有效性、可靠性和經(jīng)濟(jì)性在很大程度上與其拓?fù)浣Y(jié)構(gòu)有關(guān)。 </p> <p> 網(wǎng)絡(luò)拓?fù)涞幕窘Y(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?fù)涫菍⒕W(wǎng)中的所有節(jié)點(diǎn)一一串聯(lián)，而首尾兩端開放。這種拓?fù)涞奶攸c(diǎn)是較經(jīng)濟(jì)，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?fù)涫菍⒕W(wǎng)中一網(wǎng)元做為中心節(jié)點(diǎn)設(shè)備與其他各網(wǎng)元節(jié)點(diǎn)相連，其他各網(wǎng)元節(jié)點(diǎn)之間互不相連，網(wǎng)元節(jié)點(diǎn)的業(yè)務(wù)都要經(jīng)過這個(gè)特殊節(jié)點(diǎn)轉(zhuǎn)接。 </p> <p> 樹形網(wǎng)絡(luò)拓?fù)淇煽闯墒擎溞瓮負(fù)浜托切瓮負(fù)涞慕Y(jié)合。 </p> <p> 環(huán)形網(wǎng)拓?fù)鋵?shí)際上是指將鏈形拓?fù)涫孜蚕噙B，從而使網(wǎng)上任何一個(gè)網(wǎng)元節(jié)點(diǎn)都不對(duì)外開放的網(wǎng)絡(luò)拓?fù)湫问健＿@是當(dāng)前使用比較多的網(wǎng)絡(luò)拓?fù)湫问?，主要是因?yàn)樗哂泻軓?qiáng)的生存性，即自愈功能較強(qiáng)。 </p> <p> 將所有網(wǎng)元節(jié)點(diǎn)兩兩相連，就形成了網(wǎng)孔形網(wǎng)絡(luò)。這種網(wǎng)絡(luò)拓?fù)錇閮删W(wǎng)元節(jié)點(diǎn)間提供多個(gè)傳輸路由，使網(wǎng)絡(luò)的可靠更強(qiáng)。但是由于系統(tǒng)的冗余度高，必會(huì)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?fù)涫擎溞魏铜h(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(jī)。認(rèn)準(zhǔn)深圳市騰云科創(chuàng)信息咨詢有限公司 </p> <p> <br /> </p> <p> <br /> 四川原裝中興S200中興M2000多服務(wù)路由交換機(jī)是一個(gè)專為建構(gòu)多服務(wù)網(wǎng)絡(luò)而設(shè)計(jì)的集成訪問交換平臺(tái)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海正規(guī)中興DWDMM800/M900,中興" src="https://tyunfile.71360.com/UploadFile/sztykc/637236134615458985/8379220.jpg"></div><p> SDH是數(shù)字傳輸體制上繼PDH之后的一次劃時(shí)代的飛躍。SDH之所以能夠快速發(fā)展這是與它自身的特點(diǎn)是分不開的，其具體特點(diǎn)如下： </p> <p> （1）SDH傳輸系統(tǒng)在國際上有統(tǒng)一的幀結(jié)構(gòu)，數(shù)字傳輸標(biāo)準(zhǔn)速率和標(biāo)準(zhǔn)的光路接口，使網(wǎng)管系統(tǒng)互通，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(wù)信號(hào)，形成了全球統(tǒng)一的數(shù)字傳輸體制標(biāo)準(zhǔn)，提高了網(wǎng)絡(luò)的可靠性； </p> <p> （2）SDH接入系統(tǒng)的不同等級(jí)的碼流在幀結(jié)構(gòu)凈負(fù)荷區(qū)內(nèi)的排列非常有規(guī)律，而凈負(fù)荷與網(wǎng)絡(luò)是同步的，它利用軟件能將高速信號(hào)一次直接分插出低速支路信號(hào)，實(shí)現(xiàn)了一次復(fù)用的特性，克服了PDH準(zhǔn)同步復(fù)用方式對(duì)全部高速信號(hào)進(jìn)行逐級(jí)分解然后再生復(fù)用的過程，由于**簡化了DXC，減少了背靠背的接口復(fù)用設(shè)備，改善了網(wǎng)絡(luò)的業(yè)務(wù)傳送透明性； </p> <p> （3）由于采用了較先進(jìn)的分插復(fù)用器（ADM）、數(shù)字交叉連接（DXC）、網(wǎng)絡(luò)的自愈功能和重組功能就顯得非常強(qiáng)大，具有較強(qiáng)的生存率。因SDH幀結(jié)構(gòu)中安排了信號(hào)的5％開銷比特，它的網(wǎng)管功能顯得特別強(qiáng)大，并能統(tǒng)一形成網(wǎng)絡(luò)管理系統(tǒng)，為網(wǎng)絡(luò)的自動(dòng)化、智能化、信道的利用率以及降低網(wǎng)絡(luò)的維管費(fèi)和生存能力起到了積極作用；中興SDH光傳輸設(shè)備，光端機(jī)。認(rèn)準(zhǔn)深圳市騰云科創(chuàng)信息咨詢有限公司 </p> <p> <br /> </p><p> DWDM與OTN的區(qū)別：OTN即光傳送網(wǎng)，實(shí)際上是DWDM（密集型光波復(fù)用）和ASON（自動(dòng)光交換網(wǎng)絡(luò)）的綜合體。首先OTN具備光交叉能力，即通過加載WSS型ROADM模塊，可以使其組成類似于ASON設(shè)備的MESH網(wǎng)結(jié)構(gòu)，即提高業(yè)務(wù)調(diào)度的靈活性，又增加了網(wǎng)絡(luò)安全性；其次OTN具備電交叉能力，即每個(gè)波道的子速率交叉能力，這一部分與SDH的作用非常相像，但OTN有自己特殊的幀結(jié)構(gòu)，那就是2.5G顆粒的ODU1和10G顆粒的ODU2，也有專門為數(shù)據(jù)業(yè)務(wù)服務(wù)的ODU1E和ODU2E。 </p> <p> ◆光傳送網(wǎng)OTN是由ITU-T G.872、G.798、G.709等建議定義的一種全新的光傳送技術(shù)體制，它包括光層和電層的完整體系結(jié)構(gòu)，對(duì)于各層網(wǎng)絡(luò)都有相應(yīng)的管理監(jiān)控機(jī)制和網(wǎng)絡(luò)生存性機(jī)制。OTN 的思想來源于SDH/SONET技術(shù)體制（例如映射、復(fù)用、交叉連接、嵌入式開銷、保護(hù)、FEC 等），把SDH/SONET 的可運(yùn)營可管理能力應(yīng)用到WDM 系統(tǒng)中，同時(shí)具備了SDH/SONET靈活可靠和WDM 容量大的優(yōu)勢。 </p> <p> <br /> </p> <p> <br /> DWDM與OTN的區(qū)別：OTN即光傳送網(wǎng)，實(shí)際上是DWDM（密集型光波復(fù)用）和ASON（自動(dòng)光交換網(wǎng)絡(luò)）的綜合體。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海正規(guī)中興DWDMM800/M900,中興" src="https://tyunfile.71360.com/UploadFile/sztykc/637236134621074219/7982813.jpg"></div><p> 中興SDH光傳輸設(shè)備，光端機(jī)。認(rèn)準(zhǔn)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(hù)，產(chǎn)品維修，計(jì)算機(jī)系統(tǒng)集成施工 </p> <p> 并供應(yīng)中興ZXMP系列產(chǎn)品：ZXMP S200｜ZXMP S320｜ZXMP S330｜ZXMP S325｜ZXMP S385｜ZXMP S390整機(jī)及各型號(hào)單板。供應(yīng)華為Metro系列產(chǎn)品：Metro1000｜Metro2050｜Metro3000｜Optix2500+｜Metro5000整機(jī)及各型號(hào)單板。 </p> <p> 供應(yīng)華為OSN系列產(chǎn)品：OSN1500B｜OSN2000｜OSN2500｜OSN3500｜OSN7500整機(jī)及各型號(hào)單板。 </p> <p> 供應(yīng)烽火IBAS系列產(chǎn)品： IBAS780A｜IBAS780B </p> <p> 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(yù)、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(rèn)可及一致好評(píng) 歡迎來電咨詢中興ZXMP S380光傳輸設(shè)備報(bào)價(jià)。四川原裝中興S200</p><p style="text-indent:25px">近年來，SDH作為新一代理想的傳輸體系，具有路由自動(dòng)選擇能力，上下電路方便。上海正規(guī)中興DWDMM800/M900</p><p style="text-indent:25px">1、 SDH光傳輸設(shè)備推薦深圳市騰云科創(chuàng)信息咨詢有限公司，我司供應(yīng)光傳輸設(shè)備，中興ZXMP系列產(chǎn)品：ZXMP S200｜ZXMP S320｜ZXMP S330｜ZXMP S325｜ZXMP S385｜ZXMP S390整機(jī)及各型號(hào)單板。供應(yīng)華為Metro系列產(chǎn)品：Metro1000｜Metro2050｜Metro3000｜Optix2500+｜Metro5000整機(jī)及各型號(hào)單板。供應(yīng)華為OSN系列產(chǎn)品：OSN1500B｜OSN2000｜OSN2500｜OSN3500｜OSN7500整機(jī)及各型號(hào)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(yù)、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(rèn)可及一致好評(píng)。上海正規(guī)中興DWDMM800/M900</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(jī)，PCM接入設(shè)備，PTN OTN光傳輸設(shè)備等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競爭力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于通信產(chǎn)品行業(yè)的發(fā)展。騰云科創(chuàng)憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2251284.html</p></div></div></div></div></div><div id="nbyqkwd" class="page-right 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