任丘4G-DTU外殼哪家強(qiáng) 服務(wù)至上滄州萬瑞電子機(jī)箱供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="操控口:RS-232,115200bps,8databits,1stopbit,noparity(8N1)指示燈:具有電源，任丘4G-DTU外殼哪家強(qiáng)、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."><meta name="keywords" content="任丘4G-DTU外殼哪家強(qiáng),4G-DTU外殼"><link rel="canonical" href="http://www.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 name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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id = "index_article"><a href="http://www.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://www.cdcfah.com/zh/"><span>展會(huì)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="osuron7" class="twoCol"><div id="u2vnkhj" class="page-proshow clearfix"><p class="current"> 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-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_jwjjg/">機(jī)械五金加工</a>?<a href="http://www.cdcfah.com/cp/third-jwjjg_jjg/">鈑金加工</a>?任丘4G-DTU外殼哪家強(qiáng) 服務(wù)至上滄州萬瑞電子機(jī)箱供應(yīng)</p><div id="pbi8v7d" class="leftbox clearfix"><h1>任丘4G-DTU外殼哪家強(qiáng) 服務(wù)至上滄州萬瑞電子機(jī)箱供應(yīng)</h1><div id="qkhelnu" class="proBig"><div id="7ej8jiu" 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="wqwol2m" 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="dhzwduw" 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>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>任丘4G-DTU外殼哪家強(qiáng),4G-DTU外殼</p><p><span>***更新：</span>2020-07-08 04:20:07</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="s32yseb" 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="rqx8dkm" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="s7prdfw" class="box"><p><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，任丘4G-DTU外殼哪家強(qiáng)、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，任丘4G-DTU外殼哪家強(qiáng).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，任丘4G-DTU外殼哪家強(qiáng).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(chǔ)存溫度: -40~+85oC 相對(duì)濕度: 95%(無凝結(jié)) 任丘4G-DTU外殼哪家強(qiáng)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="任丘4G-DTU外殼哪家強(qiáng),4G-DTU外殼" src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018974438696224_nhsdo_5835926.jpg"></div><p style="text-indent:25px">支撐主動(dòng)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(dòng)撥號(hào)、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(shí)，移動(dòng)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(gè)小數(shù)據(jù)包，以堅(jiān)持聯(lián)接不被斷開)、支撐斷線主動(dòng)重連、主動(dòng)重?fù)芴?hào)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(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(hào)，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(chǔ)器件內(nèi)(一般為FLASH或EEPROM等)。一旦上電，就主動(dòng)按照設(shè)置好的參數(shù)進(jìn)行作業(yè)。任丘4G-DTU外殼哪家強(qiáng)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="任丘4G-DTU外殼哪家強(qiáng),4G-DTU外殼" src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018974442602299_nhsdo_9836411.jpg"></div><p style="text-indent:25px">支撐用戶串口參數(shù)設(shè)置不同用戶設(shè)備的串口參數(shù)有所不同，DTU聯(lián)接用戶設(shè)備的串口時(shí)，要根據(jù)用戶設(shè)備串口的實(shí)踐參數(shù)對(duì)DTU端進(jìn)行相應(yīng)設(shè)置，確保用戶設(shè)備的正常通訊和牢靠數(shù)據(jù)傳輸。 GPRS DTU上電后，首先讀出內(nèi)部FLASH中保存的作業(yè)參數(shù)(包含GPRS撥號(hào)參數(shù)，串口波特率，數(shù)據(jù)中心IP地址等等，事前現(xiàn)已裝備好)。 GPRS DTU登陸GSM網(wǎng)絡(luò)，然后進(jìn)行GPRS PPP撥號(hào)。撥號(hào)成功后，GPRS DTU將獲得一個(gè)由移動(dòng)隨機(jī)分配的內(nèi)部IP地址(一般是10.X.X.X)。也就是說，GPRS DTU處于移動(dòng)內(nèi)網(wǎng)中，并且其內(nèi)網(wǎng)IP地址通常是不固定的，隨著每次撥號(hào)而改變。咱們能夠理解為GPRS DTU這時(shí)是一個(gè)移動(dòng)內(nèi)部局域網(wǎng)內(nèi)的設(shè)備，經(jīng)過移動(dòng)網(wǎng)關(guān)來實(shí)現(xiàn)與外部Internet公網(wǎng)的通訊。這與局域網(wǎng)內(nèi)的電腦經(jīng)過網(wǎng)關(guān)訪問外部網(wǎng)絡(luò)的辦法類似。 </p><p style="text-indent:25px">實(shí)質(zhì) DTU**基本的用法是:在DTU中放入一張開通GPRS功能的SIM卡，DTU上電后先注冊(cè)到GPRS網(wǎng)絡(luò)，然后經(jīng)過GPRS網(wǎng)絡(luò)和數(shù)據(jù)處理中心樹立銜接，如右圖所示。這條銜接觸及了無線網(wǎng)絡(luò)運(yùn)營商，因特網(wǎng)寬帶供貨商，用戶公司的網(wǎng)絡(luò)狀況，以及用戶的電腦裝備等環(huán)節(jié)，因而要樹立這條銜接需求把各部分都裝備好。在實(shí)質(zhì)上，DTU和數(shù)據(jù)處理中心樹立的是SOCKET銜接。DTU是SOCKET客戶端，數(shù)據(jù)處理中心是SOCKET的服務(wù)端。SOCKET銜接有TCP協(xié)議和UDP協(xié)議之分，DTU和中心要運(yùn)用相同的協(xié)議，這個(gè)一般都有裝備軟件進(jìn)行裝備。給DTU裝備好中心的IP地址和端口號(hào)后，則把DTU經(jīng)過串口和用戶的設(shè)備相連。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="任丘4G-DTU外殼哪家強(qiáng),4G-DTU外殼" src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018974441352355_nhsdo_2640995.jpg"></div><p style="text-indent:25px">1支撐短消息備份及警告 2 多重軟硬件看門狗 3數(shù)據(jù)包傳輸狀況陳述 4 規(guī)范的AT指令界面 5能夠用做普通撥號(hào)MODEM 6支撐telnet功用 7支撐長途裝備，長途操控 8經(jīng)過串口軟件晉級(jí) 9一起支撐LINUX、UNIX和WINDOWS操作體系中心功用 1)內(nèi)部集成TCP/IP協(xié)議棧 GPRS DTU內(nèi)部封裝了PPP撥號(hào)協(xié)議以及TCP/IP協(xié)議棧并且具有嵌入式操作體系，從硬件上，它可看作是嵌入式PC與無線GPRS MODEM的結(jié)合;它具有GPRS撥號(hào)上網(wǎng)以及TCP/IP數(shù)據(jù)通訊的功用。供給串口數(shù)據(jù)雙向轉(zhuǎn)化功用 GPRS DTU供給了串行通訊接口，包含RS232,RS485,RS422等都屬于常用的串行通訊辦法，并且GPRS DTU在規(guī)劃上大都將串口數(shù)據(jù)規(guī)劃成"透明轉(zhuǎn)化"的辦法，也就是說GPRS DTU能夠?qū)⒋谏系脑紨?shù)據(jù)轉(zhuǎn)化成TCP/IP數(shù)據(jù)包進(jìn)行傳送，而不需求改動(dòng)原有的數(shù)據(jù)通訊內(nèi)容。因而，GPRS DTU能夠和各種運(yùn)用串口通訊的用戶設(shè)備進(jìn)行聯(lián)接，并且不需求對(duì)用戶設(shè)備作改動(dòng)。任丘4G-DTU外殼批發(fā)</p><p style="text-indent:25px">任丘4G-DTU外殼哪家強(qiáng)</p><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)?，還需求有后臺(tái)軟件的配合一起運(yùn)用。在樹立銜接后，前端的設(shè)備和后臺(tái)的中心就能夠經(jīng)過DTU進(jìn)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(yùn)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(yùn)用的職業(yè)不同，但運(yùn)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(jī)等主動(dòng)化產(chǎn)品的銜接，然后和后臺(tái)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(yùn)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。任丘4G-DTU外殼哪家強(qiáng)</p><p style="text-indent:25px">滄州萬瑞電子機(jī)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。萬瑞是滄州萬瑞電子機(jī)箱有限公司的主營品牌，是專業(yè)的電子機(jī)箱、機(jī)柜、面板、模具、五金配件制造、加工:機(jī) 箱、機(jī)柜的整機(jī)組裝;配電箱、配電柜、電氣成套設(shè)備、機(jī) 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(xiàng)目，經(jīng)相關(guān)部門批準(zhǔn)后方可開展經(jīng)營活動(dòng)) 公司，擁有自己**的技術(shù)體系。公司堅(jiān)持以客戶為中心、電子機(jī)箱、機(jī)柜、面板、模具、五金配件制造、加工:機(jī) 箱、機(jī)柜的整機(jī)組裝;配電箱、配電柜、電氣成套設(shè)備、機(jī) 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(xiàng)目，經(jīng)相關(guān)部門批準(zhǔn)后方可開展經(jīng)營活動(dòng)) 市場為導(dǎo)向，重信譽(yù)，保質(zhì)量，想客戶之所想，急用戶之所急，全力以赴滿足客戶的一切需要。滄州萬瑞電子機(jī)箱有限公司主營業(yè)務(wù)涵蓋[ "鈑金設(shè)備外殼加工", "機(jī)箱機(jī)柜加工定做", "儀器儀表外殼", "配電箱加工" ]，堅(jiān)持“質(zhì)量***、質(zhì)量服務(wù)、顧客滿意”的質(zhì)量方針，贏得廣大客戶的支持和信賴。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/531400.html</p></div></div></div></div></div><div id="lkhz7a4" class="page-right twoColRt"><div id="jn2tvxe" class="box01 margin10 clearfix"><h3><a 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