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class="proBig"><div id="qpmtvct" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244847797656250/1749392.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="2moqxz2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sztykc/637244847797656250/1749392.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="28fwoah" 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>西藏銷售光傳輸設(shè)備烽火ASON 780A,烽火</p><p><span>***更新：</span>2020-08-10 14:15:09</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="iczryfm" 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="was3eqh" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="vphoqhe" class="box"><p><p> 同步數(shù)字系列（Synchronous Digital Hierarchy，西藏銷售光傳輸設(shè)備烽火ASON 780A，縮寫為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(guó)貝爾通信技術(shù)研究所提出來(lái)的同步光網(wǎng)絡(luò)（SONET），西藏銷售光傳輸設(shè)備烽火ASON 780A。國(guó)際電話電報(bào)咨詢**會(huì)（CCITT）（現(xiàn)ITU-T）于1988年接受了SONET 概念并重新命名為SDH，這使其成為不*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，西藏銷售光傳輸設(shè)備烽火ASON 780A。它可實(shí)現(xiàn)網(wǎng)絡(luò)有效管理、實(shí)時(shí)業(yè)務(wù)監(jiān)控、動(dòng)態(tài)網(wǎng)絡(luò)維護(hù)、不同廠商設(shè)備間的互通等多項(xiàng)功能，能**提高網(wǎng)絡(luò)資源利用率、降低管理及維護(hù)費(fèi)用、實(shí)現(xiàn)靈活可靠和***的網(wǎng)絡(luò)運(yùn)行與維護(hù)。 </p> <p> <br /> 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）。西藏銷售光傳輸設(shè)備烽火ASON 780A</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="西藏銷售光傳輸設(shè)備烽火ASON 780A,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244847797656250/1749392.jpg"></div><p> 環(huán)網(wǎng)——自愈環(huán) </p> <p> 自愈環(huán)的分類 </p> <p> 目前環(huán)形網(wǎng)絡(luò)的拓?fù)浣Y(jié)構(gòu)用得很多，因?yàn)榄h(huán)形網(wǎng)具有較強(qiáng)的自愈功能。自愈環(huán)的分類可按保護(hù)的業(yè)務(wù)級(jí)別、環(huán)上業(yè)務(wù)的方向、網(wǎng)元節(jié)點(diǎn)間光纖數(shù)等來(lái)劃分。 </p> <p> 按環(huán)上業(yè)務(wù)的方向可將自愈環(huán)分為單向環(huán)和雙向環(huán)兩大類；按網(wǎng)元節(jié)點(diǎn)間的光纖數(shù)可將自愈環(huán)劃分為兩纖環(huán)（一對(duì)收/發(fā)光纖）和四纖環(huán)（兩對(duì)收發(fā)光纖）；按保護(hù)方式還可將自愈環(huán)劃分為通道保護(hù)環(huán)和復(fù)用段保護(hù)環(huán)兩大類。 </p> <p> 對(duì)于通道保護(hù)環(huán)，業(yè)務(wù)的保護(hù)是以通道為基礎(chǔ)的，也就是保護(hù)的是STM-N信號(hào)中的某個(gè)VC通道，根據(jù)環(huán)上的某一個(gè)別通道信號(hào)的傳輸質(zhì)量來(lái)決定是否倒換，通常利用收端是否收到簡(jiǎn)單的AIS信號(hào)來(lái)決定該通道是否應(yīng)進(jìn)行倒換。 </p> <p> 復(fù)用段倒換環(huán)是以復(fù)用段為基礎(chǔ)的，根據(jù)環(huán)上傳輸?shù)膹?fù)用段信號(hào)的質(zhì)量決定是否倒換。倒換是由K1、K2（b1～b5）字節(jié)所攜帶的APS協(xié)議來(lái)啟動(dòng)的。復(fù)用段保護(hù)倒換的觸發(fā)條件是LOF、LOS、MS-AIS告警信號(hào)。 </p> <p> 通道保護(hù)環(huán)的倒換無(wú)需APS協(xié)議，采用“并發(fā)優(yōu)收”的倒換機(jī)理---簡(jiǎn)單。 </p> <p> 復(fù)用段保護(hù)環(huán)要使用APS協(xié)議，倒換機(jī)理---較復(fù)雜。西藏銷售光傳輸設(shè)備烽火ASON 780A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)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="西藏銷售光傳輸設(shè)備烽火ASON 780A,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845105136719/8556415.jpg"></div><p style="text-indent:25px">它可實(shí)現(xiàn)網(wǎng)絡(luò)有效管理、實(shí)時(shí)業(yè)務(wù)監(jiān)控、動(dòng)態(tài)網(wǎng)絡(luò)維護(hù)、不同廠商設(shè)備間的互通等多項(xiàng)功能，能**提高網(wǎng)絡(luò)資源利用率、降低管理及維護(hù)費(fèi)用、實(shí)現(xiàn)靈活可靠和***的網(wǎng)絡(luò)運(yùn)行與維護(hù)，因此是當(dāng)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(diǎn)，受到人們的***重視。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> <p> <p> 從技術(shù)上來(lái)看，接入層的相對(duì)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(jià)地在一個(gè)業(yè)務(wù)提供點(diǎn)（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(hù)。 </p> <p> 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**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?lái)說(shuō)，低成本、靈活快速的完成運(yùn)營(yíng)商端局到用戶端的業(yè)務(wù)接入和業(yè)務(wù)收斂是對(duì)未來(lái)城域網(wǎng)接入系統(tǒng)的主要需求。 </p> </p> <p> <br /> </p> </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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="西藏銷售光傳輸設(shè)備烽火ASON 780A,烽火" src="https://tyunfile.71360.com/UploadFile/sztykc/637244845101923829/7728521.jpg"></div><p style="text-indent:25px">根據(jù)電力通信點(diǎn)多面廣, 可靠性要求高的特點(diǎn), 主干傳輸網(wǎng)可采用光纖自愈環(huán)的網(wǎng)絡(luò)拓?fù)浣Y(jié)構(gòu), 也可以采用雙環(huán)相切、多環(huán)相切的主干網(wǎng)絡(luò)拓?fù)浣Y(jié)構(gòu), 采用相切環(huán)時(shí)可在兩環(huán)相切的節(jié)點(diǎn)上采用雙環(huán)網(wǎng)元設(shè)備交叉保護(hù), 克服雙環(huán)相切時(shí)節(jié)點(diǎn)保護(hù)可靠性差的問(wèn)題。支路可根據(jù)實(shí)際需要采用鏈形、星形、樹(shù)形等結(jié)構(gòu)。另外, 采用SDH 設(shè)備的光纖自愈環(huán)可實(shí)現(xiàn)多種形式的通道保護(hù), 而且SDH 光纖環(huán)有較強(qiáng)的自愈能力。所謂自愈就是指在網(wǎng)絡(luò)發(fā)生故障(例如光纖斷裂)時(shí), 無(wú)需人為干預(yù), 網(wǎng)絡(luò)能在極短的時(shí)間內(nèi)( ITU 2T規(guī)定為50ms 以內(nèi)) 自動(dòng)恢復(fù)傳輸, 使用戶幾乎感覺(jué)不到網(wǎng)絡(luò)出了故障。傳統(tǒng)的組網(wǎng)概念中, 提高傳輸設(shè)備利用率是**關(guān)鍵的, 為了增加線路的占空系數(shù), 在每個(gè)節(jié)點(diǎn)都建立了許多直接通道, 致使網(wǎng)絡(luò)結(jié)構(gòu)非常復(fù)雜。而利用SDH組網(wǎng), 使用SDH提供的豐富的開(kāi)銷字節(jié), 就可以極大簡(jiǎn)化網(wǎng)絡(luò)結(jié)構(gòu), 實(shí)現(xiàn)強(qiáng)大的OAM功能, 降低傳輸費(fèi)用并支持新業(yè)務(wù)的發(fā)展, 這正符合了現(xiàn)代通信發(fā)展的目標(biāo)。隨著網(wǎng)絡(luò)傳輸技術(shù)的不斷發(fā)展, 電力系統(tǒng)中基于寬帶數(shù)據(jù)網(wǎng)的應(yīng)用也越來(lái)越多。云南光傳輸設(shè)備烽火ASON 780B</p><p style="text-indent:25px">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。西藏銷售光傳輸設(shè)備烽火ASON 780A</p><p style="text-indent:25px">隨著中國(guó)通信產(chǎn)品市場(chǎng)的快速發(fā)展，人們的通信需求也日益多樣化，從**初較為單一的通話及短信業(yè)務(wù)發(fā)展到現(xiàn)有的上網(wǎng)、購(gòu)物、休閑娛樂(lè)等多樣化的服務(wù)。這些服務(wù)的實(shí)現(xiàn)需要龐大的基站數(shù)量和更加復(fù)雜的網(wǎng)絡(luò)技術(shù)來(lái)支撐，隨之而來(lái)的是運(yùn)營(yíng)商對(duì)通信網(wǎng)絡(luò)投資規(guī)模的增長(zhǎng)。全球統(tǒng)一[ "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" ]受到諸如增加企業(yè)移動(dòng)性和移動(dòng)工作人員，視頻作為工作場(chǎng)所通信的有效媒介的普及以及移動(dòng)設(shè)備在過(guò)去幾年中快速滲透到業(yè)務(wù)中的影響等因素的推動(dòng)。智能手機(jī)的日益普及以及電信運(yùn)營(yíng)商對(duì)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(hù)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(xiǎn)及監(jiān)控化學(xué)品）的銷售；經(jīng)濟(jì)信息咨詢；經(jīng)營(yíng)進(jìn)出口業(yè)務(wù)?；A(chǔ)設(shè)施現(xiàn)代化的大規(guī)模投資預(yù)計(jì)將有助于在預(yù)測(cè)時(shí)間線內(nèi)UCC市場(chǎng)的持續(xù)增長(zhǎng)。隨著我國(guó)通信行業(yè)大發(fā)展，程控?cái)?shù)字化與全塑電纜全面使用，通信建設(shè)任務(wù)大幅增加，原有體制內(nèi)服務(wù)已無(wú)法滿足電信建設(shè)需求，相應(yīng)的有限責(zé)任公司企業(yè)應(yīng)運(yùn)而生。西藏銷售光傳輸設(shè)備烽火ASON 780A</p><p style="text-indent:25px">深圳市騰云科創(chuàng)信息咨詢有限公司屬于通信產(chǎn)品的高新企業(yè)，技術(shù)力量雄厚。騰云科創(chuàng)是一家有限責(zé)任公司企業(yè)，一直貫徹“以人為本，服務(wù)于社會(huì)”的經(jīng)營(yíng)理念;“質(zhì)量高速，誠(chéng)守信譽(yù)，持續(xù)發(fā)展”的質(zhì)量方針。以滿足顧客要求為己任；以顧客永遠(yuǎn)滿意為標(biāo)準(zhǔn)；以保持行業(yè)**為目標(biāo)，提供***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" ]。騰云科創(chuàng)順應(yīng)時(shí)代發(fā)展和市場(chǎng)需求，通過(guò)**技術(shù)，力圖保證高規(guī)格高質(zhì)量的[ "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" ]。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/870305.html</p></div></div></div></div></div><div id="siu8ifc" class="page-right twoColRt"><div id="zikxuwy" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="e39pceq" class="recomPic likePro"><a href="http://www.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="dcuw88a" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" 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