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"index_show"><a href="http://m.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="4p8p3gc" class="twoCol"><div id="x2bd8l3" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://m.cdcfah.com/">首頁?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://m.cdcfah.com/cp/second-_txcp/">通信產(chǎn)品</a>?<a href="http://m.cdcfah.com/cp/third-txcp_jrsbtn/">接入設(shè)備</a>?四川光傳輸設(shè)備價格烽火STM-4 深圳市騰云科創(chuàng)供應(yīng)</p><div id="at83e98" class="leftbox clearfix"><h1>四川光傳輸設(shè)備價格烽火STM-4 深圳市騰云科創(chuàng)供應(yīng)</h1><div id="cful4zb" class="proBig"><div id="dsp2zo4" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244845105205079/5635847.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8acz44z" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244845105205079/5635847.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="p29jdpo" 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>四川光傳輸設(shè)備價格烽火STM-4,烽火</p><p><span>***更新：</span>2020-10-10 07:06:55</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="hg2lszx" 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: </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="3tvnh8v" class="page-proshow02"><p class="title">詳細說明</p><div id="bkheym2" class="box"><p><p> 在各種寬帶光纖接入網(wǎng)技術(shù)中，采用SDH技術(shù)的接入網(wǎng)系統(tǒng)是應(yīng)用**普遍的。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,而產(chǎn)生了用戶與**網(wǎng)之間的接入"瓶頸"的問題，同時提高了傳輸網(wǎng)上大量帶寬的利用率。SDH技術(shù)自從90年代引入以來，至今已經(jīng)是一種成熟，四川光傳輸設(shè)備價格烽火STM-4、標準的技術(shù)，在骨干網(wǎng)中被***采用，且價格越來越低，在接入網(wǎng)中應(yīng)用可以將SDH技術(shù)在**網(wǎng)中的巨大帶寬優(yōu)勢和技術(shù)優(yōu)勢帶入接入網(wǎng)領(lǐng)域，充分利用SDH同步復(fù)用、標準化的光接口、強大的網(wǎng)管能力，四川光傳輸設(shè)備價格烽火STM-4、靈活網(wǎng)絡(luò)拓撲能力和高可靠性帶來好處，四川光傳輸設(shè)備價格烽火STM-4，在接入網(wǎng)的建設(shè)發(fā)展中長期受益。 </p> <p> <br /> 在進行字節(jié)間插復(fù)用過程中，各幀的信息凈負荷和指針字節(jié)按原值進行字節(jié)間插復(fù)用。四川光傳輸設(shè)備價格烽火STM-4</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川光傳輸設(shè)備價格烽火STM-4,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845105205079/5635847.jpg"></div><p> 網(wǎng)管系統(tǒng)的傳輸通道由D1，D12開銷字節(jié)提供，網(wǎng)絡(luò)單元之間采用DCC通道， </p> <p> DCC通道終端在被連接的每個設(shè)備上，在相同的管理區(qū)域內(nèi)，通過以太網(wǎng)連接。例如某地市目前*有l(wèi)套網(wǎng)管系統(tǒng)。利用現(xiàn)有的網(wǎng)管設(shè)備，將新增網(wǎng)元納入到現(xiàn)有網(wǎng)管系統(tǒng)中，統(tǒng)一進行管理。一套OTNM 2000**多可管理756個等效標準網(wǎng)元，現(xiàn)有的網(wǎng)管系統(tǒng)有足夠的能力管理包括本期新增的所有網(wǎng)元。網(wǎng)管管理能力是一套網(wǎng)管在保證規(guī)定性能指標的情況下所能管理的比較大等效網(wǎng)元數(shù)。 </p> <p> 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：ZXMP S200｜ZXMP S320｜ZXMP S330｜ZXMP S325｜ZXMP S385｜ZXMP S390整機及各型號單板。華為Metro系列產(chǎn)品：Metro1000｜Metro2050｜Metro3000｜Optix2500+｜Metro5000整機及各型號單板。華為OSN系列產(chǎn)品：OSN1500B｜OSN2000｜OSN2500｜OSN3500｜OSN7500整機及各型號單板。烽火IBAS系列產(chǎn)品： IBAS780A｜IBAS780B， PCM綜合接入設(shè)備介紹：FA16接入設(shè)備｜BX10接入設(shè)備甘肅代理光傳輸設(shè)備烽火CONT星形網(wǎng)絡(luò)拓撲是將網(wǎng)中一網(wǎng)元做為中心節(jié)點設(shè)備與其他各網(wǎng)元節(jié)點相連。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川光傳輸設(shè)備價格烽火STM-4,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845102001954/2472236.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、大型變電站、行政中心采用標準的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)點采用單獨簡單配置的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。考慮到全網(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)點選用不同配置的網(wǎng)元設(shè)備, 并能進行統(tǒng)一網(wǎng)管, 以實現(xiàn)有效的分層管理, 便于故障快速定位, 從而有效減輕維護工作量。隨著網(wǎng)絡(luò)規(guī)模的擴大, 應(yīng)實現(xiàn)多廠家的設(shè)備管理, 要求網(wǎng)管支持標準接口, 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, 統(tǒng)一的網(wǎng)管方便網(wǎng)絡(luò)維護。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>隨著信息社會的到來，人們希望現(xiàn)代信息傳輸網(wǎng)絡(luò)能快速、經(jīng)濟、有效地提供各種電路和業(yè)務(wù)，而上述網(wǎng)絡(luò)技術(shù)由于其業(yè)務(wù)的單調(diào)性，擴展的復(fù)雜性，帶寬的局限性，*在原有框架內(nèi)修改或完善已無濟于事，此時SDH的產(chǎn)生并憑借其眾多特性，使其在廣域網(wǎng)領(lǐng)域和**網(wǎng)領(lǐng)域得到了巨大的發(fā)展。 <p> 深圳市騰云科創(chuàng)信息咨詢有限公司是一家專業(yè)從事中興傳輸設(shè)備、華為SDH光傳輸設(shè)備、PCM接入設(shè)備、以及設(shè)備所配置的業(yè)務(wù)板卡等通信產(chǎn)品銷售及通信智能化項目施工的公司。我們秉承“客戶至上，誠信務(wù)實”的服務(wù)理念，用心、創(chuàng)新、高效，以質(zhì)量的專業(yè)技術(shù)為客戶提供比較好的需求服務(wù)。我司供應(yīng)光傳輸設(shè)備，SDH光端機，中興ZXMP系列產(chǎn)品：ZXMP </p> <p> S200｜ZXMP S320｜ZXMP S330｜ZXMP S325｜ZXMP S385｜ZXMP S390整機及各型號單板。供應(yīng)華為Metro系列產(chǎn)品：Metro1000｜Metro2050｜Metro3000｜Optix2500+｜Metro5000整機及各型號單板。供應(yīng)華為OSN系列產(chǎn)品：OSN1500B｜OSN2000｜OSN2500｜OSN3500｜OSN7500整機及各型號單板。供應(yīng)烽火IBAS系列產(chǎn)品： </p> <p> 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，您的滿意，是我們一直的追求！分/插復(fù)用器用于SDH傳輸網(wǎng)絡(luò)的轉(zhuǎn)接站點處。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川光傳輸設(shè)備價格烽火STM-4,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??； </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 /> 為了實時監(jiān)測貨物（打包的低速信號）在傳輸過程中是否有損壞。青海SDH光傳輸設(shè)備烽火10/100M自適應(yīng)以太網(wǎng)板卡</p><p style="text-indent:25px">由此可見, 通信在電力系統(tǒng)中的作用是非常關(guān)鍵的。四川光傳輸設(shè)備價格烽火STM-4</p><p> SDH的概念 </p> <p> SDH[1]（Synchronous Digital Hierarchy，同步數(shù)字系列）光端機容量較大，一般是16E1到4032E1。 SDH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)，是美國貝爾通信技術(shù)研究所提出來的同步光網(wǎng)絡(luò)（SONET）。國際電話電報咨詢**會（CCITT）（現(xiàn)ITU-T）于1988年接受了SONET 概念并重新命名為SDH，使其成為不*適用于光纖也適用于微波和衛(wèi)星傳輸?shù)耐ㄓ眉夹g(shù)體制。它可實現(xiàn)網(wǎng)絡(luò)有效管理、實時業(yè)務(wù)監(jiān)控、動態(tài)網(wǎng)絡(luò)維護、不同廠商設(shè)備間的互通等多項功能，能**提高網(wǎng)絡(luò)資源利用率、降低管理及維護費用、實現(xiàn)靈活可靠和***的網(wǎng)絡(luò)運行與維護，因此是當今世界信息領(lǐng)域在傳輸技術(shù)方面的發(fā)展和應(yīng)用的熱點，受到人們的***重視。 </p> <p> <br /> 四川光傳輸設(shè)備價格烽火STM-4</p><p style="text-indent:25px">深圳市騰云科創(chuàng)信息咨詢有限公司位于沙井街道蠔四社區(qū)街尾塘一巷5號幸福家園A棟、B棟、C棟、D棟D棟110D。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細節(jié)，公司旗下SDH光傳輸設(shè)備，光端機，PCM接入設(shè)備，PTN OTN光傳輸設(shè)備深受客戶的喜愛。公司秉持誠信為本的經(jīng)營理念，在通信產(chǎn)品深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點，發(fā)揮人才優(yōu)勢，打造通信產(chǎn)品良好品牌。騰云科創(chuàng)立足于全國市場，依托強大的研發(fā)實力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: 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