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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>新疆代理光傳輸設(shè)備華為PEOW,華為</p><p><span>***更新：</span>2020-08-01 08:08:00</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="qzgnxry" 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="apq86v5" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="vw1k9pk" class="box"><p><p> 光端機(jī)的典型物理接口如下： </p> <p> BNC接口是指同軸電纜接口，用于75歐同軸電纜連接用，提供收（RX），新疆代理光傳輸設(shè)備華為PEOW、發(fā)（TX）兩個(gè)通道，它用于非平衡信號(hào)的連接。 </p> <p> 光纖接口是用來(lái)連接光纖線纜的物理接口。通常有SC、ST、FC等幾種類型，它們由日本NTT公司開(kāi)發(fā)。 </p> <p> FC是Ferrule Connector的縮寫，其外部加強(qiáng)方式是采用金屬套，緊固方式為螺絲扣 </p> <p> ST接口通常用于10Base-F， </p> <p> SC接口通常用于100Base-FX。 </p> <p> RJ-45接口是以太網(wǎng)**為常用的接口，指的是由IEC（60）603-7標(biāo)準(zhǔn)化，使用由國(guó)際性的接插件標(biāo)準(zhǔn)定義的8個(gè)位置（8針）的模塊化插孔或者插頭。 </p> <p> RS-232-C接口是**常用的一種串行通訊接口。它是在1970年由美國(guó)電子工業(yè)協(xié)會(huì)聯(lián)合貝爾系統(tǒng)、調(diào)制解調(diào)器廠家及計(jì)算機(jī)終端生產(chǎn)廠家共同制定的用于串行通訊的標(biāo)準(zhǔn)，新疆代理光傳輸設(shè)備華為PEOW。它的全名是“數(shù)據(jù)終端設(shè)備和數(shù)據(jù)通訊設(shè)備之間串行二進(jìn)制數(shù)據(jù)交換接口技術(shù)標(biāo)準(zhǔn)”。該標(biāo)準(zhǔn)規(guī)定采用一個(gè)25個(gè)腳的DB25連接器，對(duì)連接器的每個(gè)引腳的信號(hào)內(nèi)容加以規(guī)定，還對(duì)各種信號(hào)的電平加以規(guī)定。（多用DB9）。RJ-11接口就是我們平時(shí)所說(shuō)的電話線接口 </p> <p> RJ-11是用于西部電子公司（Western Electric）開(kāi)發(fā)的接插件的通用名稱。其外形定義為6針的連接器件。原名為WExW，這里的x表示“活性”，觸點(diǎn)或者打線針。 </p> <p> <br /> 華為光傳輸設(shè)備，新疆代理光傳輸設(shè)備華為PEOW，SDH光端機(jī)，推薦深圳市騰云科創(chuàng)信息咨詢有限公司！新疆代理光傳輸設(shè)備華為PEOW</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆代理光傳輸設(shè)備華為PEOW,華為" src="https://tyunfile.71360.com/UploadFile/sztykc/637242898969345703/9897699.jpg"></div><p> 怎么看光端機(jī)的性能優(yōu)劣 </p> <p> 組網(wǎng)方式：能不能構(gòu)成自愈環(huán)。 </p> <p> 光口數(shù)量1：點(diǎn)到點(diǎn)方式 </p> <p> 便宜的光端機(jī)只有1個(gè)光接口1對(duì)設(shè)備，組成點(diǎn)到點(diǎn)工作方式也叫終端方式：TM </p> <p> 光口數(shù)量2：雙光口單方向 </p> <p> 較好的光端機(jī)有雙光口雙光口的光端機(jī)還分：1個(gè)還是2個(gè)光方向1個(gè)光方向的雙光口，是1+1備份工作的一旦主光纖斷了，輔光口保證工作。 </p> <p> 光口數(shù)量3：雙光口雙方向 </p> <p> 來(lái)自左光口的信號(hào)1部分落在本地，另1部分繼續(xù)從右光口發(fā)送，這種工作模式叫上下路模式：ADM具有ADM方式的光端機(jī)可以組成雙纖自愈環(huán) </p> <p> 雙纖自愈環(huán)的好處 </p> <p> 自愈環(huán)的好處就是，一旦光纜斷了，整個(gè)通信不會(huì)中斷。光纜正常時(shí)，各站間的信息從外環(huán)走端纜后，站1發(fā)向站2方向的信息，改由內(nèi)環(huán)走，當(dāng)光纜接好后，網(wǎng)絡(luò)自動(dòng)恢復(fù)正常只有具備ADM方式的光端機(jī)，才能實(shí)現(xiàn)自愈環(huán)。 </p> <p> 光口數(shù)量4：多光口多光方向 </p> <p> 比較好用的光端機(jī)是SDH，具有多個(gè)光方向但是價(jià)格就貴了很多在SDH設(shè)備中在詳細(xì)論述后面給出1個(gè)網(wǎng)絡(luò)圖，是各種方式的**。 </p> <p> 深圳騰云科創(chuàng)信息咨詢有限公司，擁有專業(yè)的技術(shù)團(tuán)隊(duì)，由 (中興通訊，華為技術(shù))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。 </p> <p> <br /> </p> <p> <br /> 新疆代理光傳輸設(shè)備華為PEOW深圳市騰云科創(chuàng)有限公司擁有專業(yè)的技術(shù)團(tuán)隊(duì)，由 (中興通訊，華為技術(shù))服務(wù)10年以上從業(yè)經(jīng)驗(yàn)的技術(shù)****！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆代理光傳輸設(shè)備華為PEOW,華為" src="https://tyunfile.71360.com/UploadFile/sztykc/637242899137021484/6354326.jpg"></div><p> 由于SDH有多種網(wǎng)絡(luò)拓?fù)浣Y(jié)構(gòu)，它所組成的網(wǎng)絡(luò)非常靈活，它能增強(qiáng)網(wǎng)監(jiān)，運(yùn)行管理和自動(dòng)配置功能，優(yōu)化了網(wǎng)絡(luò)性能，同時(shí)也使網(wǎng)絡(luò)運(yùn)行靈活、安全、可靠，使網(wǎng)絡(luò)的功能非常齊全和多樣化； </p> <p> SDH有傳輸和交換的性能，它的系列設(shè)備的構(gòu)成能通過(guò)功能塊的自由組合，實(shí)現(xiàn)了不同層次和各種拓?fù)浣Y(jié)構(gòu)的網(wǎng)絡(luò)，十分靈活； </p> <p> SDH并不專屬于某種傳輸介質(zhì)，它可用于雙絞線、同軸電纜，但SDH用于傳輸高數(shù)據(jù)率則需用光纖。這一特點(diǎn)表明，SDH既適合用作干線通道，也可作支線通道。例如，我國(guó)的國(guó)家與省級(jí)有線電視干線網(wǎng)就是采用SDH，而且它也便于與光纖電纜混合網(wǎng)（HFC）相兼容。 </p> <p> 從OSI模型的觀點(diǎn)來(lái)看，SDH屬于其比較低層的物理層，并未對(duì)其高層有嚴(yán)格的限制，便于在SDH上采用各種網(wǎng)絡(luò)技術(shù)，支持ATM或IP傳輸； </p> <p> SDH是嚴(yán)格同步的，從而保證了整個(gè)網(wǎng)絡(luò)穩(wěn)定可靠，誤碼少，且便于復(fù)用和調(diào)整； </p> <p> 標(biāo)準(zhǔn)的開(kāi)放型光接口可以在基本光纜段上實(shí)現(xiàn)橫向兼容，降低了聯(lián)網(wǎng)成本。 </p> <p> <br /> </p><p> 華為光傳輸設(shè)備,現(xiàn)有大量華為光傳輸設(shè)備出售，價(jià)格實(shí)惠，可根據(jù)貴司要求對(duì)華為光傳輸設(shè)備進(jìn)行配置，可以單獨(dú)出售華為光傳輸設(shè)備板卡及部件，如有需求，可現(xiàn)場(chǎng)進(jìn)行技術(shù)指導(dǎo)及調(diào)試！深圳市騰云科創(chuàng)信息咨詢有限公司以質(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)，歡迎新老客戶來(lái)電來(lái)函咨詢洽談,華為光傳輸設(shè)備簡(jiǎn)介：可在一個(gè)標(biāo)準(zhǔn)的光纖通道中傳輸以太網(wǎng)和e1等信號(hào)，它可***用于傳輸語(yǔ)音、數(shù)據(jù)、以太網(wǎng)等信號(hào)，滿足站點(diǎn)間綜合業(yè)務(wù)的傳輸要求。該設(shè)備體積小、便于移動(dòng)、功能齊全、工作溫度寬、具有抗振防沖擊能力,采用單板結(jié)構(gòu)設(shè)計(jì)，**節(jié)省2m電纜和ddf架等工程材料，同時(shí)減少機(jī)房的占用空間,; 華為光傳輸設(shè)備特點(diǎn),高密度單板設(shè)計(jì)，提升系統(tǒng)可靠性，同時(shí)易于安裝,面板上設(shè)有傳輸信息丟失告警指示燈和狀態(tài)指示燈，標(biāo)準(zhǔn)1u機(jī)箱，可提供16路e1和4路以太網(wǎng)接口，支持2048khz和2048kb/s外同步定時(shí)時(shí)鐘輸入，2048khz時(shí)鐘輸入，華為光傳輸設(shè)備應(yīng)用,該設(shè)備***應(yīng)用于電力、煤礦、民航、海事、鐵路、**、**、企業(yè)各大專網(wǎng)或公共網(wǎng)絡(luò)中，承載著主要業(yè)務(wù)數(shù)據(jù)。 </p> <p> <br /> 專業(yè)銷售SDH光傳輸設(shè)備，PTN設(shè)備，OTN設(shè)備。推薦深圳市騰云科創(chuàng)，服務(wù)周到、產(chǎn)品質(zhì)量、信譽(yù)良好。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆代理光傳輸設(shè)備華為PEOW,華為" src="https://tyunfile.71360.com/UploadFile/sztykc/637242902004560546/1392138.jpg"></div><p> SDH 光傳輸設(shè)備 </p> <p> SDH（Synchronous Digital Hierarchy，同步數(shù)字系列） </p> <p> 是 PDH 的改進(jìn)版，它的發(fā)明是電信傳輸體制的**之一，原因在于它可以對(duì)同步信號(hào)進(jìn)行傳送、分插、交叉連接和復(fù)用，不*可以通過(guò)衛(wèi)星、光纖，還可以微波等進(jìn)行傳送，是一種新的傳輸體制。SDH 光纖通信技術(shù)在電力系統(tǒng)中廣泛應(yīng)用，而且在不斷迅速發(fā)展，但是要想保障電力通信網(wǎng)的可靠，就必須保證網(wǎng)絡(luò)設(shè)備的正常運(yùn)轉(zhuǎn)，但是設(shè)備的故障在所難免，因此，有必要提高對(duì)網(wǎng)絡(luò)設(shè)備的維護(hù)能力，出現(xiàn)問(wèn)題可以及時(shí)解決，這樣就能使其更好的為電力的網(wǎng)絡(luò)建設(shè)和信息傳輸服務(wù)。因此，有必要提高通信維護(hù)人員的理論水平，提高其的業(yè)務(wù)熟練度，比如：掌握和 SDH 相關(guān)的基本理論知識(shí)、出現(xiàn)問(wèn)題時(shí)各種警告代號(hào)的含義和解決措施和警告信號(hào)的來(lái)龍去脈和影響等等。同時(shí)還要熟悉網(wǎng)絡(luò)的基本概念，比如系統(tǒng)配置，數(shù)據(jù)的采集和傳輸，同時(shí)加強(qiáng)分析故障和解決故障的能力。 </p> <p> <br /> 深圳市騰云科創(chuàng)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。青海SDH光端機(jī)華為STM-4</p><p style="text-indent:25px">華為傳輸設(shè)備代理,華為光端機(jī),SDH光傳輸設(shè)備,光纖通信設(shè)備！新疆代理光傳輸設(shè)備華為PEOW</p><p style="text-indent:25px">光纖通信技術(shù)的特點(diǎn)--損耗低,中繼距離長(zhǎng)。目前實(shí)用石英光纖的損耗可低于0.2dB/km,比其他任何傳輸介質(zhì)的損耗都低,若將來(lái)采用非石英系極低損耗光纖,其理論分析損耗可下降至109dB/km。由于光纖的損耗低,所以能實(shí)現(xiàn)中繼距離長(zhǎng),由石英光纖組成的光纖通信系統(tǒng)比較大中繼距離可達(dá)200多千米,由非石英系極低損耗光纖組成的通信系統(tǒng),其比較大中繼距離則可達(dá)數(shù)千甚至數(shù)萬(wàn)千米,這意味著通過(guò)光纖通信系統(tǒng)可以跨越更大的無(wú)中繼距離,對(duì)于一個(gè)長(zhǎng)途傳輸線路,由于中繼站數(shù)目的減少,系統(tǒng)成本和復(fù)雜性可**降低。新疆代理光傳輸設(shè)備華為PEOW</p><p style="text-indent:25px">深圳市騰云科創(chuàng)信息咨詢有限公司位于廣東省深圳市，注冊(cè)資本100-200萬(wàn)元，旗下?lián)碛?人以下***專業(yè)的員工。在騰云科創(chuàng)近多年發(fā)展歷史，公司旗下現(xiàn)有品牌中興,華為,烽火等。公司不**提供專業(yè)的電力設(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(xiǎn)及監(jiān)控化學(xué)品）的銷售；經(jīng)濟(jì)信息咨詢；經(jīng)營(yíng)進(jìn)出口業(yè)務(wù)。,同時(shí)還建立了完善的售后服務(wù)體系,為客戶提供質(zhì)量的產(chǎn)品和服務(wù)。深圳市騰云科創(chuàng)信息咨詢有限公司主營(yíng)業(yè)務(wù)涵蓋[ "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" ]，堅(jiān)持“質(zhì)量***、質(zhì)量服務(wù)、顧客滿意”的質(zhì)量方針，贏得廣大客戶的支持和信賴。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/771216.html</p></div></div></div></div></div><div id="wh2oiub" class="page-right twoColRt"><div id="8fsuwik" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="irolx2n" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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