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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>北京通信設(shè)備5680t</p><p><span>***更新：</span>2020-06-23 01:23:34</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="7rtsjqx" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">北京信億通信技術(shù)有限公司</a></p><p><span>聯(lián)系人：</span>趙小霞</p><p><span>郵箱: </span>330642533@qq.com</p><p><span>電話: </span>13893475678</p><p><span>傳真: </span>0931_4804818</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0931-4804818</p><p><span>地址: </span>回龍觀鎮(zhèn)回龍觀西大街9號(hào)院12號(hào)樓2層1單元205-2</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="etvnug7" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="wvskmyv" class="box"><p><p> 準(zhǔn)確的同步PTN6900分組傳送渠道支撐物理層時(shí)鐘同步機(jī)制，供給外部時(shí)鐘輸入輸出接口和設(shè)備內(nèi)部體系時(shí)鐘，并支撐IEEE1588V2時(shí)鐘／時(shí)間同步和1588ACR時(shí)鐘同步。物理層時(shí)鐘物理層時(shí)鐘同步機(jī)制是從傳輸鏈路物理通道的信號(hào)中提取時(shí)鐘信息，從而完結(jié)頻率同步的技能。PTN6900分組傳送渠道從以下傳輸鏈路中提取時(shí)鐘信息：l支撐從通道化STM-1接口提取時(shí)鐘。l支撐從同步以太網(wǎng)接口提取時(shí)鐘。l支撐從E1接口提取時(shí)鐘，北京通信設(shè)備5680t。l支撐從2Mbit/s或者2MHz外時(shí)鐘接口獲取時(shí)鐘。同步以太網(wǎng)是一種以太網(wǎng)物理層時(shí)鐘同步技能，北京通信設(shè)備5680t，類似于SDH時(shí)鐘。直接從以太線路上的串行碼流里提取時(shí)鐘，并利用該時(shí)鐘來(lái)發(fā)送數(shù)據(jù)，完結(jié)時(shí)鐘的傳遞。IEEE1588V2IEEE1588V2是一種時(shí)間同步協(xié)議，精度能夠到達(dá)納秒級(jí)，滿意3G基站的要求。PTN6900分組傳送渠道支撐IEEE1588V2的以下特性：l支撐選用IEEE1588V2協(xié)議完結(jié)時(shí)鐘同步和時(shí)間同步。l支撐BC（BoundaryClock）形式，北京通信設(shè)備5680t、OC（OrdinaryClock）形式、TC(TransparentClock)/TC+OC時(shí)鐘形式。TC時(shí)鐘又可分為E2E（End-to-End)形式和P2P(Peer-to-Peer)形式。l支撐BMC時(shí)鐘選源算法。1588ACR1588ACR(AdaptiveClockRecover)，是指支撐IEEE1588V2的Master設(shè)備將本地體系時(shí)鐘信息封裝到1588V2。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京通信設(shè)備5680t" src="http://tyunfile.71360.com/UploadFile/bjxytx/637203860470126953/2221146.png"></div><p> 通信行業(yè)的發(fā)展離不開(kāi)通信設(shè)備商的支持，同時(shí)通信設(shè)備商的脫穎而出也需把握通信行業(yè)發(fā)展的時(shí)代機(jī)遇，現(xiàn)代通信行業(yè)與設(shè)備商們?cè)缫咽腔ハ喾龀?，互相促進(jìn)。電報(bào)、電話等現(xiàn)代通信工具的發(fā)明掀起了通信**，AT&T作為電話技術(shù)發(fā)明者，成立貝爾實(shí)驗(yàn)室催生了諸多信息技術(shù)劃時(shí)代發(fā)明為現(xiàn)代通信技術(shù)發(fā)展奠定良好基礎(chǔ)。同時(shí)，愛(ài)立信抓住電話網(wǎng)絡(luò)發(fā)展機(jī)遇，以燎原之勢(shì)迅速擴(kuò)張。諾基亞積極把握新興產(chǎn)業(yè)，從木漿廠破繭成蝶轉(zhuǎn)型為通信設(shè)備商。西門子從**初的電報(bào)公司經(jīng)百年發(fā)展演變?yōu)橥ㄐ旁O(shè)備主要供應(yīng)商之一。摩托羅拉在二戰(zhàn)中抓住電信技術(shù)戰(zhàn)時(shí)需求迅速崛起。世界上首部程控電話交換機(jī)的出現(xiàn)推動(dòng)電信進(jìn)入了電子自動(dòng)化時(shí)代，20世紀(jì)60年代互聯(lián)網(wǎng)的發(fā)展進(jìn)而開(kāi)始了信息**。思科迎合互聯(lián)網(wǎng)浪潮因勢(shì)利導(dǎo)推出可商用的兼容多重網(wǎng)絡(luò)協(xié)議交換機(jī)，開(kāi)啟了聯(lián)網(wǎng)時(shí)代。進(jìn)入21世紀(jì)以來(lái)，云計(jì)算、電商和電子支付等應(yīng)用興起，催生了新興設(shè)備商的誕生。Juniper從做路由器起家，逐步發(fā)展成為云計(jì)算、IDC和SDN的弄潮兒。Arista順“云計(jì)算”勢(shì)而為，以軟硬件一體的優(yōu)勢(shì)聚焦高速IDC需求而迅速崛起。發(fā)展程控交換機(jī)起家的華為也敏銳察覺(jué)互聯(lián)網(wǎng)帶來(lái)的數(shù)通機(jī)遇而早早開(kāi)始布局。即將到來(lái)的5G萬(wàn)物互聯(lián)時(shí)代。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京通信設(shè)備5680t" src="http://tyunfile.71360.com/UploadFile/bjxytx/637203860469228516/176571.png"></div><p> 完結(jié)線路板、板或光功率放大板電源的會(huì)集備份。6.強(qiáng)壯的處理才能OptiXOSN9500設(shè)備采用強(qiáng)壯的處理器CPU（CentercessingUnit），在先進(jìn)的體系總線結(jié)構(gòu)的基礎(chǔ)上，可供給多達(dá)160路的處理才能，完全滿意雜亂組網(wǎng)的要求。7.功用完善的網(wǎng)絡(luò)辦理體系根據(jù)WindowsNT、UNIX操作體系的網(wǎng)絡(luò)辦理體系OptiXiManager可對(duì)OptiXOSN9500及其他OptiX光傳輸體系組成的雜亂網(wǎng)絡(luò)進(jìn)行會(huì)集操作、維護(hù)和辦理（OAM&P-Operation,Administration,Menanceandvision），完結(jié)電路的裝備和調(diào)度，確保網(wǎng)絡(luò)安全運(yùn)轉(zhuǎn)。8.電源及環(huán)境監(jiān)控功用OptiXOSN9500設(shè)備采用全別離的供電方法，雙路-48V/-60V輸入，供給維護(hù)監(jiān)控總線，供給電源電壓和環(huán)境溫度的監(jiān)控才能，功能更加安全可靠。供給對(duì)單板上下電操控功用以及單板要害電源備份功用，能夠?qū)€路槽位的事務(wù)單板、板和光功率放大板的電源進(jìn)行會(huì)集維護(hù)。9.齊備的同步狀況音訊SSM辦理功用OptiXOSN9500供給同步時(shí)鐘的同步狀況音訊SSM辦理功用，供給同步時(shí)鐘的辦理和維護(hù)倒換功用，加強(qiáng)網(wǎng)絡(luò)運(yùn)營(yíng)的可靠性。接口1.供給豐厚的SDH接口OptiXOSN9500供給STM-1、STM-4、STM-16、STM-64光接口及STM-1電接口。STM-64光接口：OptiXOSN9500設(shè)備可供給多達(dá)40個(gè)STM-64接入。</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/356398.html</p></div></div></div></div></div><div id="o7oqnpm" 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