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container clearfix"><div id="o2z2mx9" class="twoCol"><div id="a3kth77" 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(jī)械及行業(yè)設(shè)備</a>?<a href="http://m.cdcfah.com/cp/second-jxjxysb_jwjjg/">機(jī)械五金加工</a>?<a href="http://m.cdcfah.com/cp/third-jwjjg_jjg/">鈑金加工</a>?東光4G-DTU外殼批發(fā) 歡迎來電滄州萬瑞電子機(jī)箱供應(yīng)</p><div id="sovctx4" class="leftbox clearfix"><h1>東光4G-DTU外殼批發(fā) 歡迎來電滄州萬瑞電子機(jī)箱供應(yīng)</h1><div id="x3ws8xt" class="proBig"><div id="iijfwc5" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018974438696224_nhsdo_5700680.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="cgmxyfo" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018974438696224_nhsdo_5700680.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="vu8zlcv" 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>東光4G-DTU外殼批發(fā)</p><p><span>***更新：</span>2020-06-24 04:22:34</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="on9vxji" 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(jī)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(jī): </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="yc9plcl" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="xr8k83r" class="box"><p><p style="text-indent:25px">DTU (Data Transfer unit)，東光4G-DTU外殼批發(fā)，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(jìn)行傳送的無線終端設(shè)備。DTU廣（guang）泛運(yùn)用于氣候，東光4G-DTU外殼批發(fā)、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(jìn)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，東光4G-DTU外殼批發(fā)、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(jì)費(fèi)、用戶運(yùn)用成本低; </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="東光4G-DTU外殼批發(fā)" src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018974438696224_nhsdo_5700680.jpg"></div><p style="text-indent:25px">支撐主動心跳，堅(jiān)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(jiān)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(jiān)持聯(lián)接不被斷開)、支撐斷線主動重連、主動重?fù)芴柕忍厣?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(yùn)用場合非常廣（guang）泛。在不同的運(yùn)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(jìn)行作業(yè)。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="東光4G-DTU外殼批發(fā)" src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018974538359719_nhsdo_4307718.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(jī)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(jī)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><br /><p>文章來源地址: http://m.cdcfah.com/cp/369821.html</p></div></div></div></div></div><div id="j3yufw3" class="page-right twoColRt"><div id="7azabnr" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="88bn882" 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(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="u2dk3op" class="recomPic likePro"><a 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