質(zhì)量4G-DTU外殼供應(yīng)商服務(wù)為先滄州萬瑞電子機箱供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="關(guān)于DTU來說，只需樹立了與數(shù)據(jù)中心的雙向通訊，完結(jié)用戶串口數(shù)據(jù)與GPRS網(wǎng)絡(luò)數(shù)據(jù)包的轉(zhuǎn)換就相對簡單了。一旦接收到用戶的串口數(shù)據(jù)，DTU就當(dāng)即把串口數(shù)據(jù)封裝在一個TCP/UDP包里，發(fā)送給數(shù)據(jù)中心。反之，當(dāng)DTU收到數(shù)據(jù)中心發(fā)來的TCP/U"><meta name="keywords" content="質(zhì)量4G-DTU外殼供應(yīng)商,4G-DTU外殼"><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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class="active">產(chǎn)品</a><a href="JavaScript:;" data-type="member" class="">公司</a><a href="JavaScript:;" data-type="article" class="">資訊</a><a href="JavaScript:;" data-type="exhibition" class="">展會</a></div><div id="wvx8if7" class="clearfix searchWrap"><div id="n23wlyd" class="searchInput"><input type="text" name="keywords" placeholder="請輸入搜索關(guān)鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="ffcr23f" class="container"><ul><li id = "index_index"><a href="http://m.cdcfah.com/"><span>首頁</span></a></li><li id = "index_company"><a ><span>企業(yè)名錄</span></a></li><li id = "index_product"><a href="http://m.cdcfah.com/cp/"><span>產(chǎn)品供應(yīng)</span></a></li><li id = "index_news"><a href="http://m.cdcfah.com/zx/"><span>新聞資訊</span></a></li><li id = "index_article"><a href="http://m.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://m.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="7n2kczg" class="twoCol"><div id="29sjtfh" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://m.cdcfah.com/">首頁?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://m.cdcfah.com/cp/first-_jxjxysb/">機械及行業(yè)設(shè)備</a>?<a href="http://m.cdcfah.com/cp/second-jxjxysb_jwjjg/">機械五金加工</a>?<a href="http://m.cdcfah.com/cp/third-jwjjg_jjg/">鈑金加工</a>?質(zhì)量4G-DTU外殼供應(yīng)商服務(wù)為先滄州萬瑞電子機箱供應(yīng)</p><div id="v3ewtld" class="leftbox clearfix"><h1>質(zhì)量4G-DTU外殼供應(yīng)商服務(wù)為先滄州萬瑞電子機箱供應(yīng)</h1><div id="8xv3da2" class="proBig"><div id="flcmtl7" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018974438696224_nhsdo_5835926.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="x82um7n" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018974438696224_nhsdo_5835926.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="kw8gjyp" 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>河北省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>質(zhì)量4G-DTU外殼供應(yīng)商,4G-DTU外殼</p><p><span>***更新：</span>2020-08-06 06:02:07</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="rbq2pht" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">滄州萬瑞電子機箱有限公司</a></p><p><span>聯(lián)系人：</span>李文超</p><p><span>郵箱: </span>2816163037@qq.com</p><p><span>電話: </span>19103271861</p><p><span>傳真: </span>0317_4371300</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0317-4371300</p><p><span>地址: </span>河北省滄州市青縣農(nóng)場四分場</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="qqdnzby" class="page-proshow02"><p class="title">詳細說明</p><div id="ze7emoq" class="box"><p><p style="text-indent:25px">關(guān)于DTU來說，只需樹立了與數(shù)據(jù)中心的雙向通訊，完結(jié)用戶串口數(shù)據(jù)與GPRS網(wǎng)絡(luò)數(shù)據(jù)包的轉(zhuǎn)換就相對簡單了。一旦接收到用戶的串口數(shù)據(jù)，DTU就當(dāng)即把串口數(shù)據(jù)封裝在一個TCP/UDP包里，發(fā)送給數(shù)據(jù)中心。反之，當(dāng)DTU收到數(shù)據(jù)中心發(fā)來的TCP/UDP包時，從中取出數(shù)據(jù)內(nèi)容，當(dāng)即經(jīng)過串口發(fā)送給用戶設(shè)備。經(jīng)過有線的數(shù)據(jù)收集中心，一起與許多個GPRS DTU進行雙向通訊。這是現(xiàn)在GPRS DTU運用體系中**為常用的辦法，質(zhì)量4G-DTU外殼供應(yīng)商。運用領(lǐng)域 DTU的主要功能是把遠端設(shè)備的數(shù)據(jù)經(jīng)過無線的辦法傳送回后臺中心。如右圖所示，要完結(jié)數(shù)據(jù)的傳輸需求樹立一套完好的數(shù)據(jù)傳輸體系。在這個體系中包含:DTU，客戶設(shè)備、移動網(wǎng)絡(luò)、后臺中心。在前端，DTU和客戶的設(shè)備經(jīng)過232或許485接口相連，質(zhì)量4G-DTU外殼供應(yīng)商。DTU上電運轉(zhuǎn)后先注冊到移動的GPRS網(wǎng)絡(luò)，質(zhì)量4G-DTU外殼供應(yīng)商，然后去和設(shè)置在DTU中的后臺中心樹立SOCKET銜接。后臺中心作為SOCKET的服務(wù)端，DTU是SOCKET銜接的客戶端。質(zhì)量4G-DTU外殼供應(yīng)商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="質(zhì)量4G-DTU外殼供應(yīng)商,4G-DTU外殼" src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018974438696224_nhsdo_5835926.jpg"></div><p style="text-indent:25px">DTU (Data Transfer unit)，是專門用于將串口數(shù)據(jù)轉(zhuǎn)化為IP數(shù)據(jù)或?qū)P數(shù)據(jù)轉(zhuǎn)化為串口數(shù)據(jù)經(jīng)過無線通訊網(wǎng)絡(luò)進行傳送的無線終端設(shè)備。DTU廣（guang）泛運用于氣候、水文水利、地質(zhì)等作業(yè)。 DTU一起也是世界前列理工大學(xué)丹麥技能大學(xué) (Technical University of Denmark) 的英文簡稱。數(shù)據(jù)傳輸單元 (DTU) 數(shù)據(jù)傳輸單元DTU (Data Transfer unit)，是專門用于將串口數(shù)據(jù)轉(zhuǎn)化為IP數(shù)據(jù)或?qū)P數(shù)據(jù)轉(zhuǎn)化為串口數(shù)據(jù)經(jīng)過無線通訊網(wǎng)絡(luò)進行傳送的無線終端設(shè)備。硬件組成 DTU 硬件組成部分首要包含CPU操控模塊、無線通訊模塊以及電源模塊 DTU 利益: 組網(wǎng)迅速活絡(luò)，建設(shè)周期短、成本低; 網(wǎng)絡(luò)覆蓋規(guī)模廣; 安全保密性能好; 鏈路支撐長久在線、按流量計費、用戶運用成本低; 質(zhì)量4G-DTU外殼國家標(biāo)準(zhǔn)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="質(zhì)量4G-DTU外殼供應(yīng)商,4G-DTU外殼" src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018974441352355_nhsdo_2640995.jpg"></div><p style="text-indent:25px">操控口: RS-232, 115200 bps, 8 data bits,1 stop bit, no parity (8N1) 指示燈:具有電源、通訊及在線指示燈天線接口:規(guī)范SMA陰頭天線接口，特性阻抗50歐 UIM卡接口:3V/1.8V規(guī)范的推桿式用戶卡接口電源接口:規(guī)范的3芯火車頭電源插座語音接口:規(guī)范的耳機麥克風(fēng)接口 3.5 供電: 外接電源:DC 9V 500mA 寬電壓供電:DC 5-32V 通訊電流:350mA 待機電流:35mA 3.6 規(guī)范: 產(chǎn)品外形規(guī)范:92x62x22 mm(不包含天線及固定件) 產(chǎn)品包裝規(guī)范:298x226x60mm 3.7 分量: 0.41KG 3.8 其他參數(shù): 作業(yè)環(huán)境溫度: -25~+65oC 儲存溫度: -40~+85oC 相對濕度: 95%(無凝結(jié)) </p><p style="text-indent:25px">支撐主動心跳，堅持長久在線 GPRS通訊網(wǎng)絡(luò)的利益之一就是支撐GPRS終端設(shè)備長久在線，因而典型的GPRS DTU在規(guī)劃上都支撐長久在線功用，這就要求DTU包含了上電主動撥號、選用心跳包堅持長久在線(當(dāng)長期沒有數(shù)據(jù)通訊時，移動網(wǎng)關(guān)將斷開DTU與中心的聯(lián)接，心跳包就是DTU與數(shù)據(jù)中心在聯(lián)接被斷開之前發(fā)送一個小數(shù)據(jù)包，以堅持聯(lián)接不被斷開)、支撐斷線主動重連、主動重撥號等特色。 4)支撐參數(shù)裝備，長久保存 GPRS DTU作為一種通訊設(shè)備，其運用場合非常廣（guang）泛。在不同的運用中，數(shù)據(jù)中心的IP地址及端口號，串口的波特率等都是不同的。因而，GPRS DTU都應(yīng)支撐參數(shù)裝備，并且將裝備好的參數(shù)保存內(nèi)部的長久存儲器件內(nèi)(一般為FLASH或EEPROM等)。一旦上電，就主動按照設(shè)置好的參數(shù)進行作業(yè)。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="質(zhì)量4G-DTU外殼供應(yīng)商,4G-DTU外殼" src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018974438696224_nhsdo_5700680.jpg"></div><p style="text-indent:25px">因而只有DTU是不能完結(jié)數(shù)據(jù)的無線傳輸?shù)模€需求有后臺軟件的配合一起運用。在樹立銜接后，前端的設(shè)備和后臺的中心就能夠經(jīng)過DTU進行無線數(shù)據(jù)傳輸了，并且是雙向的傳輸。 DTU現(xiàn)已廣（guang）泛運用于電力、環(huán)保、LED信息發(fā)布、物流、水文、氣候等職業(yè)領(lǐng)域。如上圖所示，雖然運用的職業(yè)不同，但運用的原理是相同的。大都是DTU和職業(yè)設(shè)備相連，比方PLC，單片機等主動化產(chǎn)品的銜接，然后和后臺樹立無線的通訊銜接。在互聯(lián)網(wǎng)日益發(fā)展的今（jin）天，DTU的運用也越來越廣（guang）泛。它為各職業(yè)以及各職業(yè)之間的信息、工業(yè)融合供給了協(xié)助。質(zhì)量4G-DTU外殼供應(yīng)商</p><p style="text-indent:25px">質(zhì)量4G-DTU外殼供應(yīng)商</p><p style="text-indent:25px">軟件組成 4.1 TCP/UDP透明數(shù)據(jù)傳輸;支撐多種作業(yè)辦法。心跳包技能 4.2 智能防掉線，支撐在線檢測，在線堅持，掉線主動重撥，確保設(shè)備長久在線 4.3 支撐RSA，RC4加密算法 4.4 支撐虛擬值守VWM(Virtual Man Watch)功用，確保體系安穩(wěn)牢靠 4.5 支撐虛擬數(shù)據(jù)**網(wǎng)(APN/VPDN) 4.6 支撐數(shù)據(jù)中心動態(tài)域名和IP地址訪問 4.7 支撐DNS動態(tài)獲取，防止DNS服務(wù)器失常導(dǎo)致的設(shè)備當(dāng)機 4.8 支撐雙數(shù)據(jù)中心備份 4.9 支撐多數(shù)據(jù)中心一起承受數(shù)據(jù) 4.10支撐短信、語音、數(shù)據(jù)等喚醒辦法以及超時斷開網(wǎng)絡(luò)聯(lián)接質(zhì)量4G-DTU外殼供應(yīng)商</p><p style="text-indent:25px">滄州萬瑞電子機箱有限公司始建于2016-01-27，坐落于河北省滄州市青縣農(nóng)場四分場，現(xiàn)有員工51~100人余人。致力于創(chuàng)造***的產(chǎn)品與服務(wù)，以誠信、敬業(yè)、進取為宗旨，以建萬瑞明星產(chǎn)品為目標(biāo)，努力打造成為同行業(yè)中具有影響力的企業(yè)。公司以用心服務(wù)為**價值,希望通過我們的專業(yè)水平和不懈努力,將電子機箱、機柜、面板、模具、五金配件制造、加工:機箱、機柜的整機組裝;配電箱、配電柜、電氣成套設(shè)備、機械設(shè)備配件制造、加工(不含噴涂和表面化學(xué)處理) (依法須經(jīng)批準(zhǔn)的項目，經(jīng)相關(guān)部門批準(zhǔn)后方可開展經(jīng)營活動) 等業(yè)務(wù)進行到底。萬瑞電子機箱供應(yīng)始終以質(zhì)量為發(fā)展，把顧客的滿意作為公司發(fā)展的動力，致力于為顧客帶來***的[ "鈑金設(shè)備外殼加工", "機箱機柜加工定做", "儀器儀表外殼", "配電箱加工" ]。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/824315.html</p></div></div></div></div></div><div id="wgyqnfh" class="page-right twoColRt"><div id="bg332o8" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="rldv3v4" 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配件哪家強信息推薦自業(yè)物資供應(yīng)" 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