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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="leftbox clearfix"><h1>中興SDH報價蘭州山河通訊科技服務(wù)供應(yīng)</h1><div id="tm84cvr" class="proBig"><div id="rlcfmar" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lzshtx/637306808511025391/9706448.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ajpgxt3" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lzshtx/637306808511025391/9706448.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="enj3cso" 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>甘肅省</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報價,中興</p><p><span>***更新：</span>2021-01-16 04:10:27</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="rubnja8" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">蘭州山河通訊科技服務(wù)有限公司</a></p><p><span>聯(lián)系人：</span>李總</p><p><span>郵箱: </span>41879341@qq.com</p><p><span>電話: </span>18993078721</p><p><span>傳真: </span>1899_</p><p><span>網(wǎng)址: </span>http://lzshtx.shop.88360.com</p><p><span>手機: </span>1899-3078721</p><p><span>地址: </span>晏家坪北路9號-19</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="gjq7biz" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="o3v2stp" class="box"><p><p style="text-indent:25px">模仿光端機模仿光端機選用了PFM調(diào)制技能實時傳輸圖象信號。發(fā)射端將模仿視頻信號先進行PFM調(diào)制后，再進行電-光轉(zhuǎn)化，光信號傳到接納端后，進行光-電轉(zhuǎn)化，然后進行PFM解調(diào)，康復(fù)出視頻信號。由于選用了PFM調(diào)制技能，中興SDH報價，其傳輸間隔能到達50Km或者更遠(yuǎn)。經(jīng)過運用波分復(fù)用技能，還能夠在一根光纖上完結(jié)圖象和數(shù)據(jù)信號的雙向傳輸，滿意監(jiān)控工程的實踐需求，中興SDH報價，中興SDH報價。這種模仿光端機也存在一些缺點：a）出產(chǎn)調(diào)試較困難；b）單根光纖完結(jié)多路圖象傳輸較困難，功用會下降，這種模仿光端機一般只能做到單根光纖上傳輸4路圖象；c）抗攪擾才能差。中興SDH設(shè)備哪家公司好。中興SDH報價</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="中興SDH報價,中興" src="https://tyunfile.71360.com/UploadFile/lzshtx/637306808511025391/9706448.png"></div><p style="text-indent:25px"> ZXMPS200支撐交流110V/220V、直流-48V和直流+24V三種電源作業(yè)辦法。ZXMPS200設(shè)備支撐多種裝置辦法：機柜裝置、傳輸室外柜裝置（包含傳輸多功用箱裝置和室外電源柜裝置）、臺式裝置和壁掛式裝置。ZXMPM600城域粗波分設(shè)備近年來寬帶、視頻及移動事務(wù)開展迅猛，為了習(xí)慣事務(wù)的高帶寬、全IP化、流向雜亂化等開展趨勢，運營商現(xiàn)已把構(gòu)建面向AllIP的下一代網(wǎng)絡(luò)作為網(wǎng)絡(luò)建造的首要挑選。在大中型城域網(wǎng)的中心層，選用DWDM+NG-SDH技能可滿意大顆粒事務(wù)傳輸和靈敏調(diào)度的需求，而在其會聚層和接入層乃至小型城域網(wǎng)的中心層。中興傳輸哪家好中興光端機哪家公司優(yōu)惠。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="中興SDH報價,中興" src="https://tyunfile.71360.com/UploadFile/lzshtx/637306800032968750/1915824.png"></div><p style="text-indent:25px">l普通FEC：幀結(jié)構(gòu)符合。10G體系中，STM-64事務(wù)編碼后的速率為，10GE事務(wù)編碼后的速率為Gbit/s；G體系中，編碼后的速率為Gbit/s。等效改善光信噪比約5dB~6dB。lAFEC：***FEC，幀結(jié)構(gòu)符合，F(xiàn)EC編解碼選用經(jīng)過改進的算法。10G體系中，STM-64事務(wù)編碼后的速率為Gbit/s，10GE事務(wù)編碼后的速率為Gbit/s。等效改善光信噪比7dB~9dB。G體系不支撐此類型。在網(wǎng)管軟件的合作下，ZXMPM820支撐主動功率關(guān)斷（APSD）和主動光功率下降（APR）兩種主動功率辦理功用。當(dāng)具有光功用檢測功用的檢測板（例如OPM板）檢測到線路輸入無光時，檢測板會向APSF操控器發(fā)送告訴音訊。</p><p style="text-indent:25px">通訊設(shè)備，英文簡稱ICD，全稱baiIndustrialCommunicationDevice。用于工控環(huán)境du的有線通訊設(shè)備和無線zhi通訊設(shè)備。有線通訊設(shè)備首要介紹處理工dao業(yè)現(xiàn)場的串口通訊，專業(yè)總線型的通訊，工業(yè)以太網(wǎng)的通訊以及各種通訊協(xié)議之間的轉(zhuǎn)化設(shè)備，首要包含路由器、交流機、modem等設(shè)備。所以路由器和交流機是通訊設(shè)備的一種。無線通訊設(shè)備首要包含無線AP，無線網(wǎng)橋，無線網(wǎng)卡，無線避雷器，天線等設(shè)備。通訊也包含***通訊和民事通訊，我國三大通訊運營商為移動通訊，聯(lián)通通訊和電信通訊。有線通訊設(shè)備**大優(yōu)勢便是抗攪擾性強，安穩(wěn)性高，具有必定的保密性，傳輸速率快，帶寬能夠無限大；但有線通訊受環(huán)境影響較大，擴展性較弱，有衰減，施工難度大。中興SDH設(shè)備傳輸單板。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="中興SDH報價,中興" src="https://tyunfile.71360.com/UploadFile/lzshtx/637306808089970703/2473013.png"></div><p style="text-indent:25px">室外運用ZXMPM721OD61設(shè)備為室外型盒式一體化設(shè)備，用于承載移動Fronthaul網(wǎng)絡(luò)。·60G帶寬業(yè)界**大，支撐12路事務(wù)接入；·支撐星型、鏈型、環(huán)型組網(wǎng)，支撐單纖雙向和雙纖雙向的傳輸辦法；·滿意IP65規(guī)范要求，適用于-40℃~55℃的環(huán)境溫度，防雷才能到達C級；·裝置辦法靈敏，支撐抱桿和壁掛裝置中興ZXMPM800ZXMPM800城域密布波分設(shè)備（以下均簡稱ZXMPM800）是中興通訊股份有限公司開發(fā)的DWDM產(chǎn)品，適用于大容量的光傳輸，能充沛滿意不同層次用戶的組網(wǎng)和辦理要求。中興385設(shè)備銷售廠家。中興傳輸哪家好</p><p style="text-indent:25px">中興SDH設(shè)備供應(yīng)廠家。中興SDH報價</p><p style="text-indent:25px">低速率信號包含規(guī)范的STM-1、STM-4、STM-16以及GE（千兆以太網(wǎng)）、10GE、光纖通道（FC）、光纖互連（FICON）、企業(yè)體系互連（ESCON）、數(shù)字視頻播送（DVB）信號。線路側(cè)**高速率為Gbit/s。3．光層保護渠道為體系供給光層的保護功用?？晒┙o包含兩纖雙向通道1+1保護、兩纖雙向通道同享保護、兩纖雙向復(fù)用段同享保護以及跨環(huán)保護和鏈型網(wǎng)的1+1通道保護、1+1復(fù)用段保護以及1:N通道保護。4．分插復(fù)用/合分波渠道（1）分插復(fù)用渠道完結(jié)線路光信號波長的分插和復(fù)用功用，依據(jù)上/下波長是否固定可分為固定光分插復(fù)用設(shè)備。中興SDH報價</p><p style="text-indent:25px">蘭州山河通訊科技服務(wù)有限公司致力于通信產(chǎn)品，是一家服務(wù)型的公司。蘭州山河通訊致力于為客戶提供良好的華為通訊設(shè)備，中心通訊設(shè)備，一切以用戶需求為中心，深受廣大客戶的歡迎。公司從事通信產(chǎn)品多年，有著創(chuàng)新的設(shè)計、強大的技術(shù)，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。蘭州山河通訊秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實”的經(jīng)營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2866816.html</p></div></div></div></div></div><div id="exdzzaw" class="page-right twoColRt"><div id="lrcofwu" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="sgsoabo" class="recomPic likePro"><a href="http://www.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="hf20x7u" class="recomPic likePro"><a 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