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class="twoCol"><div id="eyv7rbn" 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SDH烽火RET 深圳市騰云科創(chuàng)供應(yīng)</p><div id="3vh77yn" class="leftbox clearfix"><h1>四川光傳輸設(shè)備SDH烽火RET 深圳市騰云科創(chuàng)供應(yīng)</h1><div id="hwy77fc" class="proBig"><div id="gaxuju8" 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="23jebik" 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="qqa2zld" 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SDH烽火RET,烽火</p><p><span>***更新：</span>2021-01-25 06:06:36</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="zt8n3hz" 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="hrol78s" class="page-proshow02"><p class="title">詳細說明</p><div id="tdli2kh" class="box"><p><p style="text-indent:25px">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，四川光傳輸設(shè)備SDH烽火RET，四川光傳輸設(shè)備SDH烽火RET。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，四川光傳輸設(shè)備SDH烽火RET。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。四川光傳輸設(shè)備SDH烽火RET</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SDH烽火RET,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845105205079/5635847.jpg"></div><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 </p> <p> <br /> </p> <p> 以太網(wǎng)業(yè)務(wù)的接入和傳送應(yīng)用,支持端口捆綁( IEEE802. 3ad) 和生成樹算法( IEEE802.1D) , 支持VLAN ( IEEE802. 1Q ) 和QoS ( IEEE802.1p ) , 可以直接提供10Mb/100Mb自適應(yīng)以太網(wǎng)接口, 通過內(nèi)置2 層、3 層以太網(wǎng)交換機實現(xiàn)統(tǒng)計復(fù)用, 并且支持VC212 虛級聯(lián), 帶寬從1～ 48 個2M b平滑設(shè)置。甘肅光傳輸設(shè)備烽火 E1板卡在進行字節(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。</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SDH烽火RET,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845101689454/9165528.jpg"></div><p style="text-indent:25px"><span style="font-size:16px;font-family:"Microsoft YaHei";"> </span><span style="font-size:16px;font-family:"Microsoft YaHei";">SDH網(wǎng)絡(luò)是整個數(shù)字網(wǎng)的一部分，它的定時基準應(yīng)是這個數(shù)字網(wǎng)的統(tǒng)一的定時基準。時鐘同步，就是使通信網(wǎng)內(nèi)所有節(jié)點的時鐘頻率和相位都控制在預(yù)先確定的容差范圍內(nèi)，確保網(wǎng)內(nèi)各傳輸或交換節(jié)點的全部數(shù)字流正確有效地傳輸或交換，時鐘不同步，會在緩沖器中產(chǎn)生信息比特的溢出或取空，導(dǎo)致數(shù)字流的滑動損傷，造成數(shù)據(jù)出錯，影響正常運行。電流差動保護的關(guān)鍵是線路兩側(cè)保護之間的電流數(shù)據(jù)交換，當復(fù)接數(shù)字通信設(shè)備時，同步時鐘的提取方式是一個非常重要的問題。本期新增節(jié)點均從線路側(cè)提取同步信號。</span></p><p> <span style="font-size:16px;font-family:"Microsoft YaHei";"> 從技術(shù)上來看，接入層的相對帶寬需求較小，需要提供IP、TDM，可能還有ATM等綜合業(yè)務(wù)傳送。以SDH 系統(tǒng)為基礎(chǔ)并能夠提供IP 、ATM 傳送與處理的系統(tǒng)（包括TDM、IP與ATM接口，甚至包括IP 和ATM 交換模塊）將是解決接入層傳送的主要方法，這種方式可廉價地在一個業(yè)務(wù)提供點（POP）上提供高質(zhì)量專線、ATM 、IP 等業(yè)務(wù)的接入、傳送和保護。</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";"> 隨著骨干傳輸容量不斷增大，城域傳輸網(wǎng)絡(luò)的接入能力也多樣化。但以IP為主的網(wǎng)絡(luò)業(yè)務(wù)仍然是不可預(yù)知的，這需要傳輸網(wǎng)絡(luò)具有更好的自適應(yīng)能力，而這種自適應(yīng)能力不單單是網(wǎng)絡(luò)接口或網(wǎng)絡(luò)容量的適應(yīng)能力，而且要求網(wǎng)絡(luò)連接的自適應(yīng)能力?？偟膩碚f，低成本、靈活快速的完成運營商端局到用戶端的業(yè)務(wù)接入和業(yè)務(wù)收斂是對未來城域網(wǎng)接入系統(tǒng)的主要需求。</span> </p> <p> <br /> </p> <p> <br /> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";"></span> 電力網(wǎng)的發(fā)展對電力系統(tǒng)**通信網(wǎng)提出了更高的要求。</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SDH烽火RET,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845101689454/4175838.jpg"></div><p style="text-indent:25px">凈負荷區(qū)用于存放真正用于信息業(yè)務(wù)的比特和少量的用于通道維護管理的通道開銷字節(jié)；管理單元指針用來指示凈負荷區(qū)內(nèi)的信息首字節(jié)在STM－N幀內(nèi)的準確位置以便接收時能正確分離凈負荷。SDH的幀傳輸時按由左到右、由上到下的順序排成串型碼流依次傳輸，每幀傳輸時間為125μs，每秒傳輸1／125×1000000幀，對STM－1而言每幀字節(jié)為8bit×（9×270×1）=19440bit，則STM－1的傳輸速率為19440×8000=155.520Mbit／s；而STM－4的傳輸速率為4×155.520Mbit／s=622.080Mbit／s；STM－16的傳輸速率為16×155.520（或4×622.080）=2488.320Mbit／s。樹形網(wǎng)絡(luò)拓撲可看成是鏈形拓撲和星形拓撲的結(jié)合。貴州光傳輸設(shè)備價格烽火 E1板卡</p><p style="text-indent:25px">由于幀周期的恒定使STM-N信號的速率有其規(guī)律性。四川光傳輸設(shè)備SDH烽火RET</p><p> SDH網(wǎng)絡(luò)的常見網(wǎng)元和功能 </p> <p> REG——再生中繼器 </p> <p> 光傳輸網(wǎng)的再生中繼器有兩種，一種是純光的再生中繼器，主要進行光功率放大以延長光傳輸距離；另一種是用于脈沖再生整形的電再生中繼器，主要通過光/電變換、電信號抽樣、判決、再生整形、電/光變換，以達到不積累線路噪聲，保證線路上傳送信號波形的完好性。此處講的是后一種再生中繼器，REG是雙端口器件，只有兩個線路端口——W、E。 </p> <p> 它的作用是將w/e側(cè)的光信號經(jīng)O/E、抽樣、判決、再生整形、E/O在e或w側(cè)發(fā)出。注意到?jīng)]有，REG與ADM相比*少了支路端口，所以ADM若本地不上/下話路（支路不上/下信號）時完全可以等效一個REG。 </p> <p> 真正的REG只需處理STM-N幀中的RSOH，且不需要交叉連接功能（w—e直通即可），而ADM和TM因為要完成將低速支路信號分/插到STM-N中，所以不*要處理RSOH，而且還要處理MSOH；另外ADM和TM都具有交叉復(fù)用能力（有交叉連接功能），因此用ADM來等效REG有點大材小用了。四川光傳輸設(shè)備SDH烽火RET</p><p style="text-indent:25px">深圳市騰云科創(chuàng)信息咨詢有限公司總部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，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)濟信息咨詢；經(jīng)營進出口業(yè)務(wù)。的公司。騰云科創(chuàng)作為電力設(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)濟信息咨詢；經(jīng)營進出口業(yè)務(wù)。的企業(yè)之一，為客戶提供良好的SDH光傳輸設(shè)備，光端機，PCM接入設(shè)備，PTN OTN光傳輸設(shè)備。騰云科創(chuàng)始終以本分踏實的精神和必勝的信念，影響并帶動團隊取得成功。騰云科創(chuàng)始終關(guān)注通信產(chǎn)品行業(yè)。滿足市場需求，提高產(chǎn)品價值，是我們前行的力量。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/3000588.html</p></div></div></div></div></div><div id="q8alfxu" 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