寧夏SDH光傳輸設(shè)備烽火CONT 深圳市騰云科創(chuàng)供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content=" 二纖雙向復(fù)用段保護(hù)環(huán)將每根光纖的前一半時(shí)隙傳送主用業(yè)務(wù)，后一半時(shí)隙傳送額外業(yè)務(wù)，也就是說(shuō)一根光纖的保護(hù)時(shí)隙用來(lái)保護(hù)另一根光纖上的主用業(yè)務(wù)。業(yè)務(wù)容量為四纖雙向復(fù)用段保護(hù)環(huán)的1/2，即M/2（STM-N），其中M是節(jié)點(diǎn)數(shù)"><meta name="keywords" content="寧夏SDH光傳輸設(shè)備烽火CONT,烽火"><link rel="canonical" href="http://m.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta 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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>?寧夏SDH光傳輸設(shè)備烽火CONT 深圳市騰云科創(chuàng)供應(yīng)</p><div id="gofz3iz" class="leftbox clearfix"><h1>寧夏SDH光傳輸設(shè)備烽火CONT 深圳市騰云科創(chuàng)供應(yīng)</h1><div id="btawa2i" class="proBig"><div id="zbnj388" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244845101689454/4175838.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8c4abco" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244845101689454/4175838.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="o2qmuax" 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>寧夏SDH光傳輸設(shè)備烽火CONT,烽火</p><p><span>***更新：</span>2021-01-29 06:07:27</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="fq2fwop" 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="837cjqh" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="dqcdua8" class="box"><p><p> <span style="font-size:16px;font-family:"Microsoft YaHei";"> 二纖雙向復(fù)用段保護(hù)環(huán)將每根光纖的前一半時(shí)隙傳送主用業(yè)務(wù)，后一半時(shí)隙傳送額外業(yè)務(wù)，也就是說(shuō)一根光纖的保護(hù)時(shí)隙用來(lái)保護(hù)另一根光纖上的主用業(yè)務(wù)。業(yè)務(wù)容量為四纖雙向復(fù)用段保護(hù)環(huán)的1/2，即M/2（STM-N），其中M是節(jié)點(diǎn)數(shù)，寧夏SDH光傳輸設(shè)備烽火CONT。它在組網(wǎng)中使用得較多，主要用于622M和2.5G系統(tǒng)，也是適用于業(yè)務(wù)分散的網(wǎng)絡(luò)。</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";">二纖單向通道保護(hù)環(huán)和二纖雙向復(fù)用段保護(hù)環(huán)的比較：</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";"> 業(yè)務(wù)容量（單考慮主用業(yè)務(wù)）：</span><span style="font-family:"Microsoft YaHei";font-size:16px;">單向通道保護(hù)環(huán)的比較大業(yè)務(wù)容量是STM-N，二纖雙向復(fù)用段保護(hù)環(huán)的業(yè)務(wù)容量為M/2 ×STM-N（M是環(huán)上節(jié)點(diǎn)數(shù)）。</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";"> 復(fù)雜性：</span><span style="font-family:"Microsoft YaHei";font-size:16px;">二纖單向通道保護(hù)環(huán)，無(wú)論從實(shí)現(xiàn)控制的復(fù)雜性，還是設(shè)備的開(kāi)發(fā)和制作難度來(lái)說(shuō)，都是各種倒換環(huán)中比較簡(jiǎn)單的，寧夏SDH光傳輸設(shè)備烽火CONT。由于它不涉及APS的協(xié)議處理過(guò)程，寧夏SDH光傳輸設(shè)備烽火CONT，因而業(yè)務(wù)倒換時(shí)間也比較短。二纖雙向復(fù)用段保護(hù)環(huán)的控制邏輯和設(shè)備開(kāi)發(fā)制作則是各種倒換環(huán)中比較復(fù)雜的。</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";"> 兼容性。</span> 管理單元指針位于STM-N幀中第4行的***到第9×N列。寧夏SDH光傳輸設(shè)備烽火CONT</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧夏SDH光傳輸設(shè)備烽火CONT,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845101689454/4175838.jpg"></div><p> <span style="font-size:16px;font-family:"Microsoft YaHei";">STM-N的幀結(jié)構(gòu)由3部分組成：</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";">1、信息凈負(fù)荷（payload）。</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";">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。</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";">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。</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";">2、段開(kāi)銷(xiāo)（SOH）</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";">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。</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";">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。</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";">3、管理單元指針（AU-PTR）</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";">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。</span> 海南光傳輸設(shè)備價(jià)格烽火PEOW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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧夏SDH光傳輸設(shè)備烽火CONT,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845105000000/3722756.jpg"></div><p> 近些年，點(diǎn)播電視、多媒體業(yè)務(wù)和其他寬帶業(yè)務(wù)如雨后春筍般紛紛出現(xiàn)，為SDH應(yīng)用在接入網(wǎng)中提供了廣闊的空間。SDH技術(shù)應(yīng)用于接入網(wǎng)的好處是：1）對(duì)于要求高可靠、高質(zhì)量業(yè)務(wù)的大型企事業(yè)用戶，SDH可以提供較為理想的網(wǎng)絡(luò)性能和業(yè)務(wù)可靠性。2）可以將網(wǎng)管范圍擴(kuò)展至用戶端，簡(jiǎn)化維護(hù)工作。3）利用SDH固有靈活性，可使網(wǎng)絡(luò)運(yùn)營(yíng)者更快、更有效地提供用戶所需的長(zhǎng)期和短期業(yè)務(wù)需求。 </p> <p> <br /> </p> <p> <br /> </p> <p> 深圳騰云科創(chuàng)信息咨詢有限公司主營(yíng)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。華為Metro系列產(chǎn)品：Metro1000｜Metro2050｜Metro3000｜Optix2500+｜Metro5000整機(jī)及各型號(hào)單板。華為OSN系列產(chǎn)品：OSN1500B｜OSN2000｜OSN2500｜OSN3500｜OSN7500整機(jī)及各型號(hào)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> 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> 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！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><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧夏SDH光傳輸設(shè)備烽火CONT,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244847651777344/7289118.jpg"></div><p> 二纖單向通道保護(hù)環(huán)，無(wú)論從實(shí)現(xiàn)控制的復(fù)雜性，還是設(shè)備的開(kāi)發(fā)和制作難度來(lái)說(shuō)，都是各種倒換環(huán)中比較簡(jiǎn)單的。由于它不涉及APS的協(xié)議處理過(guò)程，因而業(yè)務(wù)倒換時(shí)間也比較短。二纖雙向復(fù)用段保護(hù)環(huán)的控制邏輯和設(shè)備開(kāi)發(fā)制作則是各種倒換環(huán)中比較復(fù)雜的。 </p> <p> 兼容性 </p> <p> 二纖單向通道保護(hù)環(huán)但使用已經(jīng)完全預(yù)定好了的規(guī)則，由通道AIS信號(hào)來(lái)觸發(fā)倒換，與現(xiàn)行SDH標(biāo)準(zhǔn)完全相容，因而也容易滿足多廠家產(chǎn)品兼容性要求。 </p> <p> 二纖雙向復(fù)用段保護(hù)環(huán)使用APS協(xié)議控制倒換，而APS協(xié)議尚未標(biāo)準(zhǔn)化，所以復(fù)用段倒換環(huán)目前都不能滿足多廠家產(chǎn)品兼容性的要求。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> 由此可見(jiàn), 通信在電力系統(tǒng)中的作用是非常關(guān)鍵的。湖北SDH光端機(jī)烽火8路帶交換功能快速以太網(wǎng)處理板</p><p style="text-indent:25px">將所有網(wǎng)元節(jié)點(diǎn)兩兩相連，就形成了網(wǎng)孔形網(wǎng)絡(luò)。寧夏SDH光傳輸設(shè)備烽火CONT</p><p> 樹(shù)形網(wǎng) </p> <p> <br /> </p> <p> <br /> </p> <p> 樹(shù)形網(wǎng)絡(luò)拓?fù)淇煽闯墒擎溞瓮負(fù)浜托切瓮負(fù)涞慕Y(jié)合。 </p> <p> <br /> </p> <p> <br /> </p> <p> 環(huán)形網(wǎng) </p> <p> <br /> </p> <p> <br /> </p> <p> 環(huán)形網(wǎng)拓?fù)鋵?shí)際上是指將鏈形拓?fù)涫孜蚕噙B，從而使網(wǎng)上任何一個(gè)網(wǎng)元節(jié)點(diǎn)都不對(duì)外開(kāi)放的網(wǎng)絡(luò)拓?fù)湫问?。這是當(dāng)前使用其多的網(wǎng)絡(luò)拓?fù)湫问剑饕且驗(yàn)樗哂泻軓?qiáng)的生存性，即自愈功能較強(qiáng)。 </p> <p> <br /> </p> <p> <br /> </p> <p> 網(wǎng)孔形網(wǎng) </p> <p> <br /> </p> <p> <br /> </p> <p> 將所有網(wǎng)元節(jié)點(diǎn)兩兩相連，就形成了網(wǎng)孔形網(wǎng)絡(luò)。這種網(wǎng)絡(luò)拓?fù)錇閮删W(wǎng)元節(jié)點(diǎn)間提供多個(gè)傳輸路由，使網(wǎng)絡(luò)的可靠更強(qiáng)。但是由于系統(tǒng)的冗余度高，必會(huì)使系統(tǒng)有效性降低，成本高且結(jié)構(gòu)復(fù)雜。 </p> <p> <br /> </p> <p> <br /> </p> <p> 當(dāng)前用得其多的網(wǎng)絡(luò)拓?fù)涫擎溞魏铜h(huán)形，通過(guò)它們的靈活組合，可構(gòu)成更加復(fù)雜的網(wǎng)絡(luò)。寧夏SDH光傳輸設(shè)備烽火CONT</p><p style="text-indent:25px">深圳市騰云科創(chuàng)信息咨詢有限公司主要經(jīng)營(yíng)范圍是通信產(chǎn)品，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場(chǎng)口碑。騰云科創(chuàng)致力于為客戶提供良好的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，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(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于通信產(chǎn)品行業(yè)的發(fā)展。騰云科創(chuàng)秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營(yíng)理念，全力打造公司的重點(diǎn)競(jìng)爭(zhēng)力。</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/3060921.html</p></div></div></div></div></div><div id="w397no2" class="page-right twoColRt"><div id="umnuhd8" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="obxyvxd" 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="uizlhnp" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/846569.html"><div><img 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