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href="http://m.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://m.cdcfah.com/zh/"><span>展會(huì)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="yns8bst" class="twoCol"><div id="lp2tpgc" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://m.cdcfah.com/">首頁(yè)?<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>?SDH設(shè)備烽火CKU 深圳市騰云科創(chuàng)供應(yīng)</p><div id="dczwtz2" class="leftbox clearfix"><h1>SDH設(shè)備烽火CKU 深圳市騰云科創(chuàng)供應(yīng)</h1><div id="v7am438" class="proBig"><div id="3zlhvb9" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244845103378907/6385040.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="dmdusdh" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244845103378907/6385040.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="f2dkb34" 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>SDH設(shè)備烽火CKU</p><p><span>***更新：</span>2020-06-21 08:24:02</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="3fwizrz" 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="u8fwijp" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="gaejv7x" class="box"><p><p> 免除了**困難的光纜輔設(shè)工程，比較適用于具有大規(guī)模用戶的企業(yè)。又如委托公眾網(wǎng)**為本企業(yè)或部門(mén)使用的虛擬**網(wǎng)，它所提供的功能和容量完全按照用戶的要求進(jìn)行，這就免除了全部的投資風(fēng)險(xiǎn)和維護(hù)工作，應(yīng)用機(jī)動(dòng)靈活，使用部門(mén)可以專心致力于其本行業(yè)的業(yè)務(wù)工作。 </p> <p> 廣而言之，把企業(yè)非**的服務(wù)性職能交給社會(huì)的專業(yè)部門(mén)經(jīng)營(yíng)，而集中力量從事自己的**業(yè)務(wù)，SDH設(shè)備烽火CKU，甚至**所謂的虛擬公司，這已經(jīng)成為上世紀(jì)90年代以來(lái)西方國(guó)家的企業(yè)為提高其競(jìng)爭(zhēng)力而公認(rèn)的世界性潮流?？傊?，依托穩(wěn)定的服務(wù)主體，有條件積極取得進(jìn)入電信市場(chǎng)競(jìng)爭(zhēng)的合法地位，或與公網(wǎng)聯(lián)合，SDH設(shè)備烽火CKU，間接進(jìn)軍電信市場(chǎng)，SDH設(shè)備烽火CKU，是目前形勢(shì)下各大專網(wǎng)的主要選擇；這也是電信技術(shù)**的必然產(chǎn)物，更是我國(guó)由計(jì)劃經(jīng)濟(jì)向市場(chǎng)經(jīng)濟(jì)轉(zhuǎn)變的要求。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="SDH設(shè)備烽火CKU" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845103378907/6385040.jpg"></div><p> STM-N的幀結(jié)構(gòu)由3部分組成： </p> <p> 1、信息凈負(fù)荷（payload）。 </p> <p> 信息凈負(fù)荷位于STM-N幀中第1到第9行，第9×N+1到第270×N列，共9×261×N個(gè)字節(jié)。信息凈負(fù)荷是在STM-N幀結(jié)構(gòu)中存放將由STM-N傳送的各種用戶信息碼塊的地方。 </p> <p> 為了實(shí)時(shí)監(jiān)測(cè)貨物（打包的低速信號(hào)）在傳輸過(guò)程中是否有損壞，在將低速信號(hào)打包的過(guò)程中加入了通道開(kāi)銷(xiāo)（POH）字節(jié)。POH作為凈負(fù)荷的一部分與信息碼塊一起裝載在STM-N這輛貨車(chē)上在SDH網(wǎng)中傳送，它負(fù)責(zé)對(duì)打包的貨物（低速信號(hào)）進(jìn)行通道性能監(jiān)視、管理和控制。 </p> <p> 2、段開(kāi)銷(xiāo)（SOH） </p> <p> 段，相當(dāng)于一條大的傳輸通道，段開(kāi)銷(xiāo)是為了保證信息凈負(fù)荷正常傳送所必須附加的網(wǎng)絡(luò)運(yùn)行、管理和維護(hù)（OAM）字節(jié)。也就是說(shuō)SOH完成對(duì)貨物整體的監(jiān)控，POH是完成對(duì)某一件特定的貨物進(jìn)行監(jiān)控，當(dāng)然，SOH和POH還有一些其他管理功能。 </p> <p> 段開(kāi)銷(xiāo)又分為再生段開(kāi)銷(xiāo)（RSOH）和復(fù)用段開(kāi)銷(xiāo)（MSOH），可分別對(duì)相應(yīng)的段層進(jìn)行監(jiān)控，二者的區(qū)別在于監(jiān)管的范圍不同。 </p> <p> 3、管理單元指針（AU-PTR） </p> <p> 管理單元指針位于STM-N幀中第4行的***到第9×N列，共9×N個(gè)字節(jié)。AU-PTR是用來(lái)指示信息凈負(fù)荷的***個(gè)字節(jié)在STM-N幀內(nèi)的準(zhǔn)確位置的指示符，以便接收端能根據(jù)這個(gè)位置指示符的值（指針值）準(zhǔn)確分離信息凈負(fù)荷。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="SDH設(shè)備烽火CKU" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845105205079/5635847.jpg"></div><p> 傳輸網(wǎng)上的業(yè)務(wù)按流向可分為單向業(yè)務(wù)和雙向業(yè)務(wù)。以環(huán)網(wǎng)為例說(shuō)明單向業(yè)務(wù)和雙向業(yè)務(wù)的區(qū)別。 </p> <p> <br /> </p> <p> 若A和C之間互通業(yè)務(wù)，A到C的業(yè)務(wù)路由假定是A→B→C，若此時(shí)C到A的業(yè)務(wù)路由是C→B→A，則業(yè)務(wù)從A到C和從C到A的路由相同，稱為一致路由。 </p> <p> 若此時(shí)C到A的路由是C→D→A，那么業(yè)務(wù)從A到C和業(yè)務(wù)從C到A的路由不同，稱為分離路由。 </p> <p> 我們稱一致路由的業(yè)務(wù)為雙向業(yè)務(wù)，分離路由的業(yè)務(wù)為單向業(yè)務(wù)。常見(jiàn)組網(wǎng)的業(yè)務(wù)方向和路由。 </p> <p> 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)。我司供應(yīng)中興ZXMP系列產(chǎn)品：ZXMP S200｜ZXMP S320｜ZXMP S330｜ZXMP S325｜ZXMP S385｜ZXMP S390整機(jī)及各型號(hào)單板。供應(yīng)華為Metro系列產(chǎn)品：Metro1000｜Metro2050｜Metro3000｜Optix2500+｜Metro5000整機(jī)及各型號(hào)單板。供應(yīng)華為OSN系列產(chǎn)品：OSN1500B｜OSN2000｜OSN2500｜OSN3500｜OSN7500整機(jī)及各型號(hào)單板。供應(yīng)烽火IBAS系列產(chǎn)品： 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。努力奉獻(xiàn)，您的滿意是我們一直的追求！ </p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/335652.html</p></div></div></div></div></div><div id="vevbcdk" class="page-right twoColRt"><div id="hqh2vwc" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="hqry8v2" 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)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="tc7lcta" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" alt="寧波寧海直接考A2有幾個(gè)科目真誠(chéng)推薦寧波助學(xué)商務(wù)信息咨詢供應(yīng)" class="vcenter" 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