甘肅光端機(jī)烽火8路帶交換功能快速以太網(wǎng)處理板深圳市騰云科創(chuàng)供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="SDH的發(fā)展趨勢 SDH作為新一代理想的傳輸體系，具有路由自動選擇能力，上下電路方便，甘肅光端機(jī)烽火8路帶交換功能快速以太網(wǎng)處理板，維護(hù)，甘肅光端機(jī)烽火8路帶交換功能快速以太網(wǎng)處理板、控制、管理功能強(qiáng)，標(biāo)準(zhǔn)統(tǒng)一，便于傳"><meta name="keywords" content="甘肅光端機(jī)烽火8路帶交換功能快速以太網(wǎng)處理板,烽火"><link rel="canonical" href="http://m.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta 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id="rlnpesp" class="leftbox clearfix"><h1>甘肅光端機(jī)烽火8路帶交換功能快速以太網(wǎng)處理板深圳市騰云科創(chuàng)供應(yīng)</h1><div id="cmjqkd7" class="proBig"><div id="gkmjvhw" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244845101689454/4175838.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3k3f7w7" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244845101689454/4175838.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="et7ixjv" 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>甘肅光端機(jī)烽火8路帶交換功能快速以太網(wǎng)處理板,烽火</p><p><span>***更新：</span>2021-01-13 03:08:32</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="fuwol8f" 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="nbi23da" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="3p4xzbi" class="box"><p><p> SDH的發(fā)展趨勢 </p> <p> SDH作為新一代理想的傳輸體系，具有路由自動選擇能力，上下電路方便，甘肅光端機(jī)烽火8路帶交換功能快速以太網(wǎng)處理板，維護(hù)，甘肅光端機(jī)烽火8路帶交換功能快速以太網(wǎng)處理板、控制、管理功能強(qiáng)，標(biāo)準(zhǔn)統(tǒng)一，便于傳輸更高速率的業(yè)務(wù)等優(yōu)點(diǎn)，能很好地適應(yīng)通信網(wǎng)飛速發(fā)展的需要。迄今，SDH得到了空前的應(yīng)用與發(fā)展。在標(biāo)準(zhǔn)化方面，已建立和即將建立的一系列建議已基本上覆蓋了SDH的方方面面。在干線網(wǎng)和長途網(wǎng)、中繼網(wǎng)，甘肅光端機(jī)烽火8路帶交換功能快速以太網(wǎng)處理板、接入網(wǎng)中它開始廣泛應(yīng)用。且在光纖通信、微波通信、衛(wèi)星通信中也積極地開展研究與應(yīng)用。 </p> <p> <br /> SDH的誕生解決了由于入戶媒質(zhì)的帶寬限制而跟不上骨干網(wǎng)和用戶業(yè)務(wù)需求的發(fā)展。甘肅光端機(jī)烽火8路帶交換功能快速以太網(wǎng)處理板</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅光端機(jī)烽火8路帶交換功能快速以太網(wǎng)處理板,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845101689454/4175838.jpg"></div><p> 二纖雙向復(fù)用段保護(hù)環(huán)將每根光纖的前一半時隙傳送主用業(yè)務(wù)，后一半時隙傳送額外業(yè)務(wù)，也就是說一根光纖的保護(hù)時隙用來保護(hù)另一根光纖上的主用業(yè)務(wù)。業(yè)務(wù)容量為四纖雙向復(fù)用段保護(hù)環(huán)的1/2，即M/2（STM-N），其中M是節(jié)點(diǎn)數(shù)。它在組網(wǎng)中使用得較多，主要用于622M和2.5G系統(tǒng)，也是適用于業(yè)務(wù)分散的網(wǎng)絡(luò)。 </p> <p> 二纖單向通道保護(hù)環(huán)和二纖雙向復(fù)用段保護(hù)環(huán)的比較 </p> <p> 業(yè)務(wù)容量（*考慮主用業(yè)務(wù)） </p> <p> 單向通道保護(hù)環(huán)的比較大業(yè)務(wù)容量是STM-N，二纖雙向復(fù)用段保護(hù)環(huán)的業(yè)務(wù)容量為M/2 ×STM-N（M是環(huán)上節(jié)點(diǎn)數(shù)）。 </p> <p> 復(fù)雜性 </p> <p> 二纖單向通道保護(hù)環(huán)，無論從實現(xiàn)控制的復(fù)雜性，還是設(shè)備的開發(fā)和制作難度來說，都是各種倒換環(huán)中**簡單的。由于它不涉及APS的協(xié)議處理過程，因而業(yè)務(wù)倒換時間也**短。二纖雙向復(fù)用段保護(hù)環(huán)的控制邏輯和設(shè)備開發(fā)制作則是各種倒換環(huán)中**復(fù)雜的。 </p> <p> 兼容性甘肅光端機(jī)烽火8路帶交換功能快速以太網(wǎng)處理板由此可見, 通信在電力系統(tǒng)中的作用是非常關(guān)鍵的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅光端機(jī)烽火8路帶交換功能快速以太網(wǎng)處理板,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845101689454/9165528.jpg"></div><p> 電力通信**網(wǎng)的構(gòu)建思路 </p> <p> 電力通信網(wǎng)可以在樞紐節(jié)點(diǎn)、大型變電站、行政中心采用標(biāo)準(zhǔn)的STM 21、STM 24 或STM 216 傳輸設(shè)備疊加接入模塊的方式; 在中小型變電站、鄉(xiāng)鎮(zhèn)供電所等業(yè)務(wù)量較少的節(jié)點(diǎn)采用單獨(dú)簡單配置的STM-21網(wǎng)元設(shè)備組網(wǎng)或STM-21網(wǎng)元設(shè)備疊加接入模塊的方式; 接入模塊解決話音、V. 24/V. 35、2W/4W、E&M 等窄帶業(yè)務(wù)接入, 而10Mb/s、100Mb/s等寬帶數(shù)據(jù)接入則在SDH傳輸平臺上提供,這樣能夠充分保證帶寬和服務(wù)質(zhì)量(QoS)。環(huán)網(wǎng)光纜建設(shè)綜合考慮通信、計算機(jī)網(wǎng)絡(luò)及有線電視傳輸?shù)男枰?采用不等芯數(shù)配置, 做到既滿足要求, 又節(jié)省投資?？紤]到全網(wǎng)的性能價格比, 比較好采用系列化較完整的產(chǎn)品, 對不同節(jié)點(diǎn)選用不同配置的網(wǎng)元設(shè)備, 并能進(jìn)行統(tǒng)一網(wǎng)管, 以實現(xiàn)有效的分層管理, 便于故障快速定位, 從而有效減輕維護(hù)工作量。隨著網(wǎng)絡(luò)規(guī)模的擴(kuò)大, 應(yīng)實現(xiàn)多廠家的設(shè)備管理, 要求網(wǎng)管支持標(biāo)準(zhǔn)接口, 即網(wǎng)管系統(tǒng)具備開放性。 </p> <p> 通過基于SDH 的MSTP, 可支持全業(yè)務(wù), 局域網(wǎng)互聯(lián)帶寬可按VC212×N (1～ 48) 平滑設(shè)置, 可利用SDH 層的網(wǎng)絡(luò)自愈功能實現(xiàn)電信級的保護(hù), 統(tǒng)一的網(wǎng)管方便網(wǎng)絡(luò)維護(hù)。它完善地解決所有業(yè)務(wù)信號的接入和傳輸, 且相對于其它的組網(wǎng)方式具有其明顯的優(yōu)勢。 </p><p style="text-indent:25px">1.近年來，SDH作為新一代理想的傳輸體系，具有路由自動選擇能力，上下電路方便，維護(hù)、控制、管理功能強(qiáng)，標(biāo)準(zhǔn)統(tǒng)一，便于傳輸更高速率的業(yè)務(wù)等優(yōu)點(diǎn)，能很好地適應(yīng)通信網(wǎng)飛速發(fā)展的需要。SDH技術(shù)與一些先進(jìn)技術(shù)相結(jié)合，如光波分復(fù)用（WDM）、ATM技術(shù)、Internet技術(shù)（IP over SDH）等，使SDH網(wǎng)絡(luò)的作用越來越大。SDH已被各國列入21世紀(jì)高速通信網(wǎng)的應(yīng)用項目，是電信界公認(rèn)的數(shù)字傳輸網(wǎng)的發(fā)展方向，具有遠(yuǎn)大的商用前景。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，計算機(jī)系統(tǒng)集成施工。為客戶提供質(zhì)量產(chǎn)品、完善的解決方案，積極響應(yīng)配合客戶做好售后服務(wù)，在業(yè)界贏得廣大客戶認(rèn)可及一致好評。努力奉獻(xiàn)，您的滿意是我們一直的追求。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）。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅光端機(jī)烽火8路帶交換功能快速以太網(wǎng)處理板,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244847651777344/7289118.jpg"></div><p> 電源系統(tǒng)SDH設(shè)備采用一48伏直流電源，工作電壓應(yīng)滿足：輸入電壓范圍是-40V至-57V；電話衡量雜音電壓<2mV；峰峰值雜音電壓(0．300Hz)_<400mV。 </p> <p> 根據(jù)公式：電流=功率／電壓。各設(shè)備正常工作時的比較大電流等于滿配置功耗除以工作電壓。比較大電流再加上適當(dāng)富余量取整可得所需熔絲大小。 </p> <p> 時鐘同步系統(tǒng) </p> <p> SDH網(wǎng)元時鐘源的種類 </p> <p> (1)外部時鐘源——由SETPI功能塊提供輸入接口； </p> <p> (2)線路時鐘源一由SPI功能塊從STM．N線路信號中提取； </p> <p> (3)支路時鐘源——由PPI功能塊從PDH支路信號中提取，不過該時鐘一般不用，因為SDH／PDH網(wǎng)邊界處的指針調(diào)整會影響時鐘質(zhì)量； </p> <p> (4)設(shè)備內(nèi)置時鐘源由SETS功能塊提供。 </p> <p> <br /> 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。甘肅光端機(jī)烽火8路帶交換功能快速以太網(wǎng)處理板</p><p style="text-indent:25px">終端復(fù)用器用在網(wǎng)絡(luò)的終端站點(diǎn)上。甘肅光端機(jī)烽火8路帶交換功能快速以太網(wǎng)處理板</p><p style="text-indent:25px">隨著時代的革新,科技的進(jìn)步,通信產(chǎn)品技術(shù)已經(jīng)成為我們?nèi)粘Ｉ钜约肮ぷ髦斜夭豢缮俚囊徊糠?同時我國的通信業(yè)也得到了發(fā)展。在信息化時代下,通信行業(yè)作為一個新興的科學(xué)技術(shù)類行業(yè),在具有長遠(yuǎn)的發(fā)展?jié)摿Φ耐瑫r也面臨著激烈的競爭。2018年，“中美貿(mào)易摩擦”無疑成為刺入市場的一把利劍，也壓制了SDH光傳輸設(shè)備，光端機(jī)，PCM接入設(shè)備，PTN OTN光傳輸設(shè)備的加入熱情。G20峰會的中美兩國元首會晤，讓緊張的中美關(guān)系看到一些轉(zhuǎn)機(jī)，但雙方未來的關(guān)系走向仍待觀察。實際上，自從中美貿(mào)易摩擦不斷升級以來，中國通信設(shè)備商所面臨的國際經(jīng)營壓力較大，且事端不斷。智能手機(jī)的日益普及以及電信運(yùn)營商對電力設(shè)備、電子元器件、電子產(chǎn)品、建筑材料、通信設(shè)備(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)、辦公設(shè)備、五金交電、化工原料（不含危險及監(jiān)控化學(xué)品）的銷售；經(jīng)濟(jì)信息咨詢；經(jīng)營進(jìn)出口業(yè)務(wù)。基礎(chǔ)設(shè)施現(xiàn)代化的大規(guī)模加入預(yù)計將有助于在預(yù)測時間線內(nèi)UCC市場的持續(xù)增長。有限責(zé)任公司企業(yè)技術(shù)的發(fā)展必然將引發(fā)現(xiàn)有通信網(wǎng)絡(luò)的擴(kuò)容、重組與兼容，也將促進(jìn)通信網(wǎng)絡(luò)的多元化業(yè)務(wù)發(fā)展，并**終對通信設(shè)備制造業(yè)、終端產(chǎn)業(yè)和通信技術(shù)服務(wù)業(yè)等上下游產(chǎn)業(yè)形成有力拉動。甘肅光端機(jī)烽火8路帶交換功能快速以太網(wǎng)處理板</p><p style="text-indent:25px">深圳市騰云科創(chuàng)信息咨詢有限公司是一家電力設(shè)備、電子元器件、電子產(chǎn)品、建筑材料、通信設(shè)備(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)、辦公設(shè)備、五金交電、化工原料（不含危險及監(jiān)控化學(xué)品）的銷售；經(jīng)濟(jì)信息咨詢；經(jīng)營進(jìn)出口業(yè)務(wù)。的公司，致力于發(fā)展為創(chuàng)新務(wù)實、誠實可信的企業(yè)。公司自創(chuàng)立以來，投身于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，是通信產(chǎn)品的主力軍。騰云科創(chuàng)始終以本分踏實的精神和必勝的信念，影響并帶動團(tuán)隊取得成功。騰云科創(chuàng)創(chuàng)始人卓龍飛，始終關(guān)注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務(wù)。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2821542.html</p></div></div></div></div></div><div id="ztqskw7" class="page-right twoColRt"><div id="kjvcuwd" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="bg72vpg" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" 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