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當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_txcp/">通信產(chǎn)品</a>?<a href="http://www.cdcfah.com/cp/second-txcp_csjhsb/">傳輸、交換設(shè)備</a>?<a href="http://www.cdcfah.com/cp/third-csjhsb_gdjlh/">光端機(jī)</a>?上海音頻光端機(jī)工作原理工業(yè)交換機(jī) 煙臺(tái)市正維通信技術(shù)供應(yīng)</p><div id="akrjg8t" class="leftbox clearfix"><h1>上海音頻光端機(jī)工作原理工業(yè)交換機(jī) 煙臺(tái)市正維通信技術(shù)供應(yīng)</h1><div id="od3nta3" class="proBig"><div id="c2augic" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/zhengwei123/637469288899057030/8487397.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="uonegsu" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/zhengwei123/637469288899057030/8487397.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="wfmjgsu" 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>山東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>上海音頻光端機(jī)工作原理,光端機(jī)</p><p><span>***更新：</span>2021-01-25 06:19:29</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="8gikh74" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">煙臺(tái)市正維通信技術(shù)有限公司</a></p><p><span>聯(lián)系人：</span>程雷</p><p><span>郵箱: </span>zhengwei@zhengwei-teah.cn</p><p><span>電話: </span>18766381696</p><p><span>傳真: </span>0535_</p><p><span>網(wǎng)址: </span>http://www.zwkj.net.cn</p><p><span>手機(jī): </span>0535-3975176</p><p><span>地址: </span>中國(山東)自由貿(mào)易試驗(yàn)區(qū)煙臺(tái)片區(qū)煙臺(tái)開發(fā)區(qū)珠江路42號(hào)</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="ayasuwi" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="bpcuwdk" class="box"><p><p style="text-indent:25px">再來講講光端機(jī)的其他問題。電話光端機(jī)的電話業(yè)務(wù)不通問題，該怎么去檢查？一：確保設(shè)備電源、光纖、地線都已接好并正常。二：物理連接正確性：中繼端設(shè)備和用戶端設(shè)備的出口必須一一對(duì)應(yīng)才能連通（如中繼端的第1口對(duì)應(yīng)用戶端的第1口），RJ11/45頭的壓接是否正確（中間2芯傳電話）、是否合格。電話光端機(jī)出來的電話線建議只接一部電話，不宜接分機(jī)，電話不通是否是接了分機(jī)，上海音頻光端機(jī)工作原理。電話線傳輸是否過遠(yuǎn)，上海音頻光端機(jī)工作原理，理論上0.6的電話線不超過2km，檢測電話線的距離，上海音頻光端機(jī)工作原理。電話機(jī)是否有問題，更換話機(jī)。視頻光端機(jī)就是把1到多路的模擬視頻信號(hào)通過各種編碼轉(zhuǎn)換成光信號(hào)通過光纖介質(zhì)來傳輸?shù)脑O(shè)備。上海音頻光端機(jī)工作原理</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海音頻光端機(jī)工作原理,光端機(jī)" src="https://tyunfile.71360.com/WaterMark/UploadFile/zhengwei123/637469288899057030/8487397.png"></div><p style="text-indent:25px">如何選擇合適的視頻光端機(jī)的問題就擺在了大家面前，在此，謹(jǐn)就多年的行業(yè)經(jīng)驗(yàn)與有意于視頻光端機(jī)選型應(yīng)用的讀者共享。光端機(jī)選購注意事項(xiàng):從發(fā)送到光纖上的信號(hào)來分，光端機(jī)可分為基于模擬技術(shù)的模擬光端機(jī)和基于數(shù)字技術(shù)的數(shù)字光端機(jī)。模擬光端機(jī)其工作原理不外乎調(diào)制解調(diào)、濾波和信號(hào)混合等。不論是LED 還是LD，其光電調(diào)制特性都不是線性的，在信號(hào)傳輸過程中難免出現(xiàn)失真、干擾等模擬處理中不可避免的問題，且在大容量傳輸和多業(yè)務(wù)混合傳輸方面有難以克服的技術(shù)難點(diǎn)。廣東以太網(wǎng)光端機(jī)生產(chǎn)廠家數(shù)字光端機(jī)的視頻采用8位數(shù)字編碼。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海音頻光端機(jī)工作原理,光端機(jī)" src="https://tyunfile.71360.com/WaterMark/UploadFile/zhengwei123/637469287629533119/9462530.png"></div><p style="text-indent:25px">圖象壓縮數(shù)字光端機(jī)一般采用MPEG II圖象壓縮技術(shù)，它能將活動(dòng)圖象壓縮成N×2Mbps的數(shù)據(jù)流通過標(biāo)準(zhǔn)電信通信接口傳輸或者直接通過光纖傳輸。由于采用了圖象壓縮技術(shù)，它能明顯降低信號(hào)傳輸帶寬。全數(shù)字非壓縮視頻光端機(jī)采用全數(shù)字無壓縮技術(shù)，因此能支持任何高分辨率運(yùn)動(dòng)、靜止圖像無失真?zhèn)鬏?克服了常規(guī)的模擬調(diào)頻、調(diào)相、調(diào)幅光端機(jī)多路信號(hào)同時(shí)傳輸時(shí)交調(diào)干擾嚴(yán)重、容易受環(huán)境干擾影響、傳輸質(zhì)量低劣、長期工作穩(wěn)定性不高等缺點(diǎn)。并且支持音頻雙向、數(shù)據(jù)雙向、開關(guān)量雙向、以太網(wǎng)、電話等信號(hào)的并行傳輸，現(xiàn)場接線方便，即插即用。與傳統(tǒng)的模擬光端機(jī)相比，數(shù)字光端機(jī)具有明顯的優(yōu)勢。</p><p style="text-indent:25px">其中一部分技術(shù)在光端機(jī)市場還很小時(shí)就已比較成熟，開發(fā)新技術(shù)又需耗費(fèi)大量人力、物力，所以光端機(jī)生產(chǎn)廠家多以中小企業(yè)為主，各種品牌層出不窮，但質(zhì)量卻大相徑庭。視頻監(jiān)控中的光端機(jī)是光通信系統(tǒng)中的傳輸設(shè)備，主要是進(jìn)行光電轉(zhuǎn)換及傳輸功用。一般用于電信、電力、監(jiān)控、工業(yè)控制、視頻傳輸?shù)裙δ?，在各個(gè)行業(yè)有著廣的應(yīng)用。常說的光端機(jī)指的是用于監(jiān)控系統(tǒng)用來傳輸視頻、數(shù)據(jù)、以太網(wǎng)、音頻等綜合信息的光端機(jī)。主要分模擬光端機(jī)和數(shù)字光端機(jī)?；趥鬏?shù)慕橘|(zhì)的不同有單模光端機(jī)和多模光端機(jī)之分。光端機(jī)的信號(hào)地應(yīng)與機(jī)殼地、大地相連，為積累的靜電荷提供泄放回路，防止靜電荷積累，損壞設(shè)備。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海音頻光端機(jī)工作原理,光端機(jī)" src="https://tyunfile.71360.com/WaterMark/UploadFile/zhengwei123/637469287379936019/9767986.png"></div><p style="text-indent:25px">數(shù)字光端機(jī)是將所要傳輸?shù)膱D像、語音以及數(shù)據(jù)信號(hào)進(jìn)行數(shù)字化處理，再將這些數(shù)字信號(hào)進(jìn)行復(fù)用處理，使多路低速的數(shù)字信號(hào)轉(zhuǎn)換成一路高速信號(hào)，并將這一信號(hào)轉(zhuǎn)換成光信號(hào)。在接收端將光信號(hào)還原成電信號(hào)，還原的高速信號(hào)分解出原來的多路低速信號(hào)，較后再將這些數(shù)據(jù)信號(hào)還原成圖像、語音以及數(shù)據(jù)信號(hào)。模擬光端機(jī)就是將要傳輸?shù)男盘?hào)進(jìn)行幅度或頻率調(diào)制然后將調(diào)制好的電信號(hào)轉(zhuǎn)化成光信號(hào)。在接收端將光信號(hào)還原成電信號(hào)，再把信號(hào)進(jìn)行解調(diào)，還原出圖像、語音或數(shù)據(jù)信號(hào)。數(shù)字光端機(jī)傳輸信號(hào)質(zhì)量高，沒有模擬調(diào)頻、調(diào)相、調(diào)幅光端機(jī)多路信號(hào)同傳時(shí)的交調(diào)干擾嚴(yán)重、容易受環(huán)境影響、傳輸質(zhì)量低劣、長期工作穩(wěn)定性差的缺點(diǎn)，因此，數(shù)字光端機(jī)將逐漸取代模擬光端機(jī)。光端機(jī)設(shè)備內(nèi)設(shè)置有微處理器，監(jiān)測系統(tǒng)內(nèi)部工作狀態(tài)采集模塊的各種參數(shù)，并通過LED和VFD顯示系統(tǒng)直觀顯示。廣東以太網(wǎng)光端機(jī)生產(chǎn)廠家</p><p style="text-indent:25px">光纖網(wǎng)絡(luò)拓?fù)浞绞?，光纖網(wǎng)絡(luò)拓?fù)浞绞經(jīng)Q定了視頻光端機(jī)類型。上海音頻光端機(jī)工作原理</p><p style="text-indent:25px">以太網(wǎng)光端機(jī)主要特點(diǎn)有哪些？以太網(wǎng)光端機(jī)，他是一種10/100Mbps智能自適應(yīng)快速以太網(wǎng)光電轉(zhuǎn)換器，實(shí)現(xiàn)在雙絞線和光纖兩種不同網(wǎng)絡(luò)傳輸介質(zhì)之間傳輸數(shù)據(jù)。以太網(wǎng)光端機(jī)主要特點(diǎn) 1．提供較低延時(shí)的數(shù)據(jù)傳輸。 2．對(duì)網(wǎng)絡(luò)協(xié)議完全透明。 3．采用ASIC芯片實(shí)現(xiàn)數(shù)據(jù)線速轉(zhuǎn)發(fā)?？删幊藺SIC將多項(xiàng)功能集中到一個(gè)芯片上，具有設(shè)計(jì)簡單、可靠性高、電源消耗少等優(yōu)點(diǎn)，能使設(shè)備得到更高的性能和更低的成本。 4．機(jī)架型設(shè)備可提供熱拔插功能，便于維護(hù)和無間斷升級(jí)。 5．可網(wǎng)管設(shè)備能提供網(wǎng)絡(luò)診斷、升級(jí)、狀態(tài)報(bào)告、異常情況報(bào)告及控制等功能，能提供完整的操作日志和報(bào)警日志。 6．設(shè)備多采用1+1的電源設(shè)計(jì)，支持超寬電源電壓，實(shí)現(xiàn)電源保護(hù)和自動(dòng)切換。 7．支持超寬的工作溫度范圍。 8．支持齊全的傳輸距離（0～120公里）。上海音頻光端機(jī)工作原理</p><p style="text-indent:25px">煙臺(tái)市正維通信技術(shù)有限公司總部位于中國(山東)自由貿(mào)易試驗(yàn)區(qū)煙臺(tái)片區(qū)煙臺(tái)開發(fā)區(qū)珠江路42號(hào)，是一家目前正維通信的用戶已遍布電力、煤礦、軌道交通、高速公路、鋼鐵冶金、石油化工、城市智能交通、水處理等行業(yè)，正維通信通過覆蓋國內(nèi)30個(gè)省、市、自治區(qū)的銷售機(jī)構(gòu)和數(shù)十個(gè)重要的合作伙伴，使迅速響應(yīng)用戶需求成為現(xiàn)實(shí)，向客戶提供完善的售前支持和貼心的售后服務(wù)。的公司。公司自創(chuàng)立以來，投身于工業(yè)交換機(jī)，以太網(wǎng)交換機(jī)，環(huán)網(wǎng)交換機(jī)，光纖收發(fā)器，是通信產(chǎn)品的主力軍。煙臺(tái)正維通信技術(shù)始終以本分踏實(shí)的精神和必勝的信念，影響并帶動(dòng)團(tuán)隊(duì)取得成功。煙臺(tái)正維通信技術(shù)始終關(guān)注通信產(chǎn)品市場，以敏銳的市場洞察力，實(shí)現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3001620.html</p></div></div></div></div></div><div id="icebi29" class="page-right twoColRt"><div id="jd8d3u7" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="fegtk39" 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" 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