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href="http://m.cdcfah.com/cp/third-txcp_jrsbtn/">接入設備</a>?廣西SDH光端機烽火深圳市騰云科創(chuàng)供應</p><div id="si7umo8" class="leftbox clearfix"><h1>廣西SDH光端機烽火深圳市騰云科創(chuàng)供應</h1><div id="lzwlczy" class="proBig"><div id="kzrbnkw" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244845105136719/8556415.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="pzg9l8j" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244845105136719/8556415.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="w2cyfr3" class="content"><p><span>需求數量：</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>產品關鍵詞：</span>廣西SDH光端機烽火,烽火</p><p><span>***更新：</span>2020-09-10 03:07:46</p><p><span id="click" >瀏覽次數：0次</span></p><a rel="nofollow" class="button">聯系我們</a></div></div><div id="xwoyf2p" 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="vfcrdpm" class="page-proshow02"><p class="title">詳細說明</p><div id="wldfx3n" class="box"><p><p> 隨著骨干傳輸容量不斷增大，城域傳輸網絡的接入能力也多樣化。但以IP為主的網絡業(yè)務仍然是不可預知的，這需要傳輸網絡具有更好的自適應能力，廣西SDH光端機烽火，而這種自適應能力不**是網絡接口或網絡容量的適應能力，而且要求網絡連接的自適應能力?？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)務接入和業(yè)務收斂是對未來城域網接入系統的主要需求。 </p> <p> 簡單地講，這種采用SDH傳輸以太網等多種業(yè)務的方式就是將不同的網絡層次的業(yè)務通過ＶＣ級聯的方式映射到SDH電路的各個時隙中，廣西SDH光端機烽火，由SDH網絡提供完全透明的傳輸通道，從物理層的設備角度上看是一個集成的整體。這種解決方案可以大幅度地降低投資規(guī)模，減少設備占地面積，降低功耗，廣西SDH光端機烽火，進而降低網絡運營商的運營成本。同時，提供多業(yè)務的能力還可以使網絡運營商能夠快速地部署網絡業(yè)務，提高業(yè)務收入，增強市場競爭能力。 </p> <p> <br /> 由于采用了較先進的分插復用器（ADM）、數字交叉連接（DXC）。廣西SDH光端機烽火</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣西SDH光端機烽火,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845105136719/8556415.jpg"></div><p> SDH網絡的常見網元和功能 </p> <p> ADM——分/插復用器 </p> <p> 分/插復用器用于SDH傳輸網絡的轉接站點處，例如鏈的中間結點或環(huán)上結點，是SDH網上使用**多、**重要的一種網元，它是一個三端口的器件。 </p> <p> ADM有兩個線路端口和一個支路端口。兩個線路端口各接一側的光纜（每側收/發(fā)共兩根光纖），為了描述方便我們將其分為西（W）向、東向（E）兩個線路端口。ADM的作用是將低速支路信號交叉復用進東或西向線路上去，或從東或西側線路端口收的線路信號中拆分出低速支路信號。另外，還可將東/西向線路側的STM-N信號進行交叉連接，例如將東向STM-16中的3#STM-1與西向STM-16中的15#STM-1相連接。 </p> <p> ADM是SDH**重要的一種網元，通過它可等效成其它網元，即能完成其它網元的功能，例如：一個ADM可等效成兩個TM。湖南光端機烽火信息凈負荷位于STM-N幀中第1到第9行。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣西SDH光端機烽火,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845103378907/6385040.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系列產品：Metro1000｜Metro2050｜Metro3000｜Optix2500+｜Metro5000整機及各型號單板。華為OSN系列產品：OSN1500B｜OSN2000｜OSN2500｜OSN3500｜OSN7500整機及各型號單板。烽火IBAS系列產品： IBAS780A｜IBAS780B， PCM綜合接入設備介紹：FA16接入設備｜BX10接入設備 </p> <p> <br /> </p> 以太網業(yè)務的接入和傳送應用,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自適應以太網接口, 通過內置2 層、3 層以太網交換機實現統計復用, 并且支持VC212 虛級聯, 帶寬從1～ 48 個2M b平滑設置。<p> 電力通信**網的構建思路 </p> <p> 電力通信網可以在樞紐節(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)務量較少的節(jié)點采用單獨簡單配置的STM-21網元設備組網或STM-21網元設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)務接入, 而10Mb/s、100Mb/s等寬帶數據接入則在SDH傳輸平臺上提供,這樣能夠充分保證帶寬和服務質量(QoS)。環(huán)網光纜建設綜合考慮通信、計算機網絡及有線電視傳輸的需要,采用不等芯數配置, 做到既滿足要求, 又節(jié)省投資?？紤]到全網的性能價格比, 比較好采用系列化較完整的產品, 對不同節(jié)點選用不同配置的網元設備, 并能進行統一網管, 以實現有效的分層管理, 便于故障快速定位, 從而有效減輕維護工作量。隨著網絡規(guī)模的擴大, 應實現多廠家的設備管理, 要求網管支持標準接口, 即網管系統具備開放性。 </p> <p> 通過基于SDH 的MSTP, 可支持全業(yè)務, 局域網互聯帶寬可按VC212×N (1～ 48) 平滑設置, 可利用SDH 層的網絡自愈功能實現電信級的保護, 統一的網管方便網絡維護。它完善地解決所有業(yè)務信號的接入和傳輸, 且相對于其它的組網方式具有其明顯的優(yōu)勢。目前環(huán)形網絡的拓撲結構用得很多，因為環(huán)形網具有較強的自愈功能。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣西SDH光端機烽火,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244847724550782/6753357.jpg"></div><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、控制、管理功能強，標準統一，便于傳輸更高速率的業(yè)務等優(yōu)點，能很好地適應通信網飛速發(fā)展的需要。SDH技術與一些先進技術相結合，如光波分復用（WDM）、ATM技術、Internet技術（IP over SDH）等，使SDH網絡的作用越來越大。SDH已被各國列入21世紀高速通信網的應用項目，是電信界公認的數字傳輸網的發(fā)展方向，具有遠大的商用前景。深圳市騰云科創(chuàng)信息咨詢有限公司，成立于2015年專業(yè)從事通信產品購銷以及施工，維護，產品維修，計算機系統集成施工。為客戶提供質量產品、完善的解決方案，積極響應配合客戶做好售后服務，在業(yè)界贏得廣大客戶認可及一致好評。努力奉獻，您的滿意是我們一直的追求。維護，產品維修，計算機系統集成施工。為客戶提供質量產品、完善的解決方案。重慶銷售光傳輸設備烽火</p><p style="text-indent:25px">主要進行光功率放大以延長光傳輸距離；廣西SDH光端機烽火</p><p style="text-indent:25px">SDH網絡是整個數字網的一部分，它的定時基準應是這個數字網的統一的定時基準。時鐘同步，就是使通信網內所有節(jié)點的時鐘頻率和相位都控制在預先確定的容差范圍內，確保網內各傳輸或交換節(jié)點的全部數字流正確有效地傳輸或交換，時鐘不同步，會在緩沖器中產生信息比特的溢出或取空，導致數字流的滑動損傷，造成數據出錯，影響正常運行。電流差動保護的關鍵是線路兩側保護之間的電流數據交換，當復接數字通信設備時，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)點均從線路側提取同步信號。廣西SDH光端機烽火</p><p style="text-indent:25px">深圳市騰云科創(chuàng)信息咨詢有限公司致力于通信產品，是一家貿易型的公司。騰云科創(chuàng)致力于為客戶提供良好的SDH光傳輸設備，光端機，PCM接入設備，PTN OTN光傳輸設備，一切以用戶需求為中心，深受廣大客戶的歡迎。公司將不斷增強企業(yè)重點競爭力，努力學習行業(yè)知識，遵守行業(yè)規(guī)范，植根于通信產品行業(yè)的發(fā)展。騰云科創(chuàng)秉承“客戶為尊、服務為榮、創(chuàng)意為先、技術為實”的經營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/1222629.html</p></div></div></div></div></div><div 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