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clearfix"><h1>湖北專業(yè)光端機生產廠家工業(yè)交換機煙臺市正維通信技術供應</h1><div id="j3yg33j" class="proBig"><div id="hqsueqn" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/zhengwei123/637469287030767037/6055633.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="c8h379s" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/zhengwei123/637469287030767037/6055633.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="vpmjlpw" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>產品關鍵詞：</span>湖北專業(yè)光端機生產廠家,光端機</p><p><span>***更新：</span>2021-01-26 01:18:24</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="od83pbi" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">煙臺市正維通信技術有限公司</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>網址: </span>http://www.zwkj.net.cn</p><p><span>手機: </span>0535-3975176</p><p><span>地址: </span>中國(山東)自由貿易試驗區(qū)煙臺片區(qū)煙臺開發(fā)區(qū)珠江路42號</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="ji2ubdj" class="page-proshow02"><p class="title">詳細說明</p><div id="8ug8yv3" class="box"><p><p style="text-indent:25px">視頻光端機在防盜報警領域：光纖天生具有傳導、感應性好的特點。目前一種利用光纖特性為基礎的周界防護系統(tǒng)問世，并在世界范圍內運用。這種技術既利用光纖作為傳導傳輸信號的工具，還將光纖作為前方的探測器使用。在實際應用中，將光纖埋入設防的地面、圍墻內，當入侵者入侵設防區(qū)域，光纖會自動感應，傳輸?shù)胶蠖诉M行報警，湖北專業(yè)光端機生產廠家。而這種周界防護方式由于對光纖信號要求特別高，在光端機的質量要求方面也是上乘的。該種周界防護方式，相比傳統(tǒng)的方式較大的不同就是隱蔽性極強，解決了長久以來防盜報警系統(tǒng)易受破壞的問題，湖北專業(yè)光端機生產廠家。數(shù)字光端機可傳輸RS232，湖北專業(yè)光端機生產廠家, RS485, RS422標準數(shù)據(jù)。湖北專業(yè)光端機生產廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北專業(yè)光端機生產廠家,光端機" src="https://tyunfile.71360.com/WaterMark/UploadFile/zhengwei123/637469287030767037/6055633.png"></div><p style="text-indent:25px">關于模擬光端機與數(shù)字光端機的區(qū)別，可以先了解下數(shù)字信號和模擬信號的區(qū)別，從而容易了解模擬光端機與數(shù)字光端機的區(qū)別了！多路信號同傳引起的交調失真 ? 在現(xiàn)場監(jiān)控應用中，用戶可能有許多各種信號，如視頻圖像、音頻、數(shù)據(jù)、以太網、電話或其它用戶自種信號分別用一對光端機來傳輸，必然價格昂貴，所以為了提高光纖的利用效率，降低成本，必須的各種信號在以便在一對或一根光纖上傳輸。對調頻、調幅、調相光端機來講，傳輸10/100M以太網信號或多路電話等高速的，將多路視頻或音頻信號混合調頻、調幅、調相在某一載波上必然會引起各種鏡像、交調干擾。模擬光端機傳輸信號容量有限，一般不會超過4路信號端機傳輸?shù)氖菙?shù)字信號，很容易進行大容量復用并且不會出現(xiàn)相互干擾。北京以太網光端機品牌數(shù)字光端機指示燈能幫助對系統(tǒng)故障做出快速診斷。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北專業(yè)光端機生產廠家,光端機" src="https://tyunfile.71360.com/WaterMark/UploadFile/zhengwei123/637469286900587750/3859021.png"></div><p style="text-indent:25px">目前國內視頻光端機生產企業(yè)主要有3類。一類是依靠較強的光通信技術立足的通信企業(yè)，這些企業(yè)技術基礎較好，企業(yè)規(guī)模大多數(shù)屬于中等(年銷售額在5000萬左右)，這一類也包括兼營視頻光端機的通信廠家，他們是這個子行業(yè)的重點企業(yè)。一類是一些安防行業(yè)中規(guī)模較大的綜合性視頻監(jiān)控廠家，視頻光端機只是其產品鏈中的一環(huán)，這類企業(yè)規(guī)模較大、綜合技術實力較強，視頻光端機在其產值的比重多少不一。第三類是加工型企業(yè)，數(shù)目較多。由于光端機行業(yè)技術門檻較低，一兩個從光通訊企業(yè)離職的設計開發(fā)人員就能成立一家企業(yè)，以小作坊的方式組裝生產視頻光端機，視頻光端機是其主要產品，在這類企業(yè)中仿冒產品盛行。</p><p style="text-indent:25px">其中一部分技術在光端機市場還很小時就已比較成熟，開發(fā)新技術又需耗費大量人力、物力，所以光端機生產廠家多以中小企業(yè)為主，各種品牌層出不窮，但質量卻大相徑庭。視頻監(jiān)控中的光端機是光通信系統(tǒng)中的傳輸設備，主要是進行光電轉換及傳輸功用。一般用于電信、電力、監(jiān)控、工業(yè)控制、視頻傳輸?shù)裙δ?，在各個行業(yè)有著廣的應用。常說的光端機指的是用于監(jiān)控系統(tǒng)用來傳輸視頻、數(shù)據(jù)、以太網、音頻等綜合信息的光端機。主要分模擬光端機和數(shù)字光端機。基于傳輸?shù)慕橘|的不同有單模光端機和多模光端機之分。數(shù)字光端機在遠程教育、遠程醫(yī)療、項目協(xié)同工作、行政會議、安防工程方面都有應用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北專業(yè)光端機生產廠家,光端機" src="https://tyunfile.71360.com/WaterMark/UploadFile/zhengwei123/637469287695276175/6086715.png"></div><p style="text-indent:25px">光端機要一對嘛? 總會有新客戶問光端機要一對的嗎？對的，其實光端機是成對使用的。光端機是用在以光纖作為載體的光、電傳換器。發(fā)送端和接收端必須是同一種設備。為什么要成對使用呢？簡單說光端機是光信號傳輸?shù)慕K端設備，其實光端機是一個延長數(shù)據(jù)傳輸?shù)墓饫w通信設備。光端機一般都是成對使用，分為光發(fā)射機和光接收機。光發(fā)射機完成電光轉換，并把光信號發(fā)射出去用于光纖傳輸。光接收機主要是把從光纖接收的光信號再還原為電信號，完成光電轉換。所以一般光端機是成對使用的。光端機很多類型：PDH光端機、電話光端機、SDH光端機、SPDH光端機、視頻光端機、以太網光端機、音頻光端機、數(shù)據(jù)光端機、VGA/HDMI光端機、HD-SDI光端機。光端機作用就是用于遠程傳輸數(shù)據(jù)，將音視頻進行遠距離傳輸，具有傳輸距離遠，無延遲、無干擾等優(yōu)點。數(shù)字光端機的數(shù)字非壓縮傳輸。北京以太網光端機品牌</p><p style="text-indent:25px">模擬視頻光端機與數(shù)字光端機多路信號同傳引起的交調失真不一樣。湖北專業(yè)光端機生產廠家</p><p style="text-indent:25px">通信產品是當今基礎的民生服務行業(yè)之一，并且隨著工信部2015年信息通信業(yè)“十三五”規(guī)劃的出臺，市場對于通信產品熱度有增無減。工業(yè)交換機，以太網交換機，環(huán)網交換機，光纖收發(fā)器業(yè)是一個以技術為導向的行業(yè)，新型通信技術的開發(fā)及應用對行業(yè)的發(fā)展起著巨大的推動作用。隨著3G技術的逐漸成熟、4G技術的試點推廣與商用化和5逐步試點，通信運營商進行了相應的大規(guī)?；A設施完善。中國通信產業(yè)年度**事件和通信產業(yè)年度**技術趨勢的發(fā)布已經成為中國通信產業(yè)大會的鮮明標簽，持續(xù)十年之久。每年大會發(fā)布的年度判斷，被企業(yè)普遍引用和期待，成為過去年度的一個行業(yè)烙印總結，成為未來一年技術市場生產型的一個預測。通訊業(yè)是一個以技術為導向的行業(yè)，銷售的開發(fā)及應用對行業(yè)的發(fā)展起著巨大的推動作用。隨著3G技術的逐漸成熟、4G技術的試點推廣與商用化和5逐步試點，通信運營商進行了相應的大規(guī)模基礎設施完善。湖北專業(yè)光端機生產廠家</p><p style="text-indent:25px">煙臺市正維通信技術有限公司主要經營范圍是通信產品，擁有一支專業(yè)技術團隊和良好的市場口碑。煙臺正維通信技術致力于為客戶提供良好的工業(yè)交換機，以太網交換機，環(huán)網交換機，光纖收發(fā)器，一切以用戶需求為中心，深受廣大客戶的歡迎。公司秉持誠信為本的經營理念，在通信產品深耕多年，以技術為先導，以自主產品為重點，發(fā)揮人才優(yōu)勢，打造通信產品良好品牌。煙臺正維通信技術秉承“客戶為尊、服務為榮、創(chuàng)意為先、技術為實”的經營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3009984.html</p></div></div></div></div></div><div id="irj2hof" class="page-right twoColRt"><div id="jdkmev2" class="box01 margin10 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