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class="leftbox clearfix"><h1>內(nèi)蒙古GPRS-dtu外殼廠家抱誠(chéng)守真滄州萬(wàn)瑞電子機(jī)箱供應(yīng)</h1><div id="jhyj8sd" class="proBig"><div id="vnixq48" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018981911300941_nhsdo_3459769.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="nf3aiql" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018981911300941_nhsdo_3459769.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="2zflg0a" 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>內(nèi)蒙古GPRS-dtu外殼廠家,GPRS-dtu外殼</p><p><span>***更新：</span>2020-07-28 17:07:07</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="o2pidbv" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">滄州萬(wàn)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(huà): </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(chǎng)四分場(chǎng)</p><p>[當(dāng)前離線(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="thni3al" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="exibmoy" class="box"><p><p style="text-indent:25px">簡(jiǎn)介 GPRS DTU是一種物聯(lián)網(wǎng)無(wú)線(xiàn)數(shù)據(jù)終端，運(yùn)用公用運(yùn)營(yíng)商網(wǎng)絡(luò)GPRS網(wǎng)絡(luò)(又稱(chēng)G網(wǎng))為用戶(hù)供給無(wú)線(xiàn)長(zhǎng)間隔數(shù)據(jù)傳輸功用. 選用高功能的工業(yè)級(jí)8/16/32位通訊處理器和工業(yè)級(jí)無(wú)線(xiàn)模塊，以嵌入式實(shí)時(shí)操作體系為軟件支撐平臺(tái)，一起供給RS232和RS485（或RS422）接口，可直接銜接串口設(shè)備，完成數(shù)據(jù)通明傳輸功用。該GPRS DTU已廣（guang）泛運(yùn)用于物聯(lián)網(wǎng)產(chǎn)業(yè)鏈中的M2M職業(yè)，如智能電網(wǎng)、智能交通、智能家居、金融、移動(dòng)POS終端、供應(yīng)鏈主動(dòng)化、工業(yè)主動(dòng)化，內(nèi)蒙古GPRS-dtu外殼廠家、智能建筑、消防，內(nèi)蒙古GPRS-dtu外殼廠家、公共安全、環(huán)境維護(hù)、氣候，內(nèi)蒙古GPRS-dtu外殼廠家、數(shù)字化醫(yī)療、遙感勘測(cè)、農(nóng)業(yè)、林業(yè)、水務(wù)、煤礦、石化等范疇。內(nèi)蒙古GPRS-dtu外殼廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="內(nèi)蒙古GPRS-dtu外殼廠家,GPRS-dtu外殼" src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018981911300941_nhsdo_3459769.jpg"></div><p style="text-indent:25px">因?yàn)镚PRS DTU大多用于遙遠(yuǎn)的監(jiān)測(cè)現(xiàn)場(chǎng)，因而GPRS DTU的安穩(wěn)性就變得十分重要。許多用戶(hù)選用GPRS DTU，*在前期做了一些簡(jiǎn)略測(cè)驗(yàn)就完畢選型作業(yè)，實(shí)際上是很不充分的。假如選用了不安穩(wěn)的GPRS DTU并大量運(yùn)用, 怎么可以在一開(kāi)端，就能***而快速的測(cè)驗(yàn)GPRS DTU安穩(wěn)性？這現(xiàn)已成為一個(gè)重要課題！遺憾的是，大多GPRS DTU廠家都只是宣揚(yáng)自己產(chǎn)品安穩(wěn)性好，而關(guān)于詳細(xì)的安穩(wěn)性測(cè)驗(yàn)辦法，則沉默不談！這里，是經(jīng)過(guò)驗(yàn)證的GPRS DTU安穩(wěn)性測(cè)驗(yàn)流程，可操作的GPRS DTU辨別辦法，這套測(cè)驗(yàn)辦法，可以快速辨別GPRS DTU的主要通訊功能和安穩(wěn)性。陜西GPRS-dtu外殼報(bào)價(jià)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="內(nèi)蒙古GPRS-dtu外殼廠家,GPRS-dtu外殼" src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018981913015478_nhsdo_9205477.jpg"></div><p style="text-indent:25px">支撐多數(shù)據(jù)中心一起接受數(shù)據(jù) 支撐短信、語(yǔ)音、數(shù)據(jù)等喚醒辦法以及超時(shí)斷開(kāi)網(wǎng)絡(luò)銜接 1. 支撐短消息備份及告警 2. 多重軟硬件看門(mén)狗 3. 數(shù)據(jù)包傳輸狀況陳述 4. 規(guī)范的AT命令界面 5. 可以用做一般撥號(hào)MODEM 6. 支撐telnet功用 7. 支撐長(zhǎng)途裝備，長(zhǎng)途操控 8. 經(jīng)過(guò)串口軟件升級(jí) 9. 一起支撐LINUX、UNIX和WINDOWS操作體系典型運(yùn)用編輯 1. 電力監(jiān)控 2. 油田監(jiān)測(cè) 3. 長(zhǎng)途抄表 4. 路燈監(jiān)控 5. 環(huán)境監(jiān)測(cè) 6. 氣候監(jiān)測(cè) 7. 水利監(jiān)測(cè) 8. 熱網(wǎng)監(jiān)測(cè) 9. 電表監(jiān)測(cè) 10. 機(jī)房監(jiān)控 </p><p style="text-indent:25px">支持遠(yuǎn)程參數(shù)配置/遠(yuǎn)程固件升級(jí)、支持遠(yuǎn)程短信/電話(huà)喚醒、支持本地串口固件升級(jí)、提供短信通道、提供DTU在線(xiàn)／離線(xiàn)電平指示等。這些擴(kuò)展功能可以增強(qiáng) 系統(tǒng)的可靠性，以及方便用戶(hù)的使用及維護(hù)。在工作方式上,GPRS DTU于GPRS MODEM的區(qū)別就是GPRS DTU內(nèi)部CPU在主動(dòng)進(jìn) 行控制撥號(hào)和處理TCP/IP協(xié)議包.而GPRS MODEM則是被動(dòng)的,需要外部設(shè)備來(lái)進(jìn)行撥號(hào)和進(jìn)行TCP/IP協(xié)議包處理. GPRS DTU 簡(jiǎn)稱(chēng)GPRS模塊，即串口服務(wù)器的無(wú)線(xiàn)版，其功用與串口服務(wù)器類(lèi)似。運(yùn)用移動(dòng)和聯(lián)通遍布全國(guó)的GSM網(wǎng)絡(luò)，經(jīng)過(guò)短信辦法進(jìn)行數(shù)據(jù)傳輸。8路開(kāi)關(guān)量輸入 8路模仿量輸入可以做報(bào)警功用8路開(kāi)關(guān)量輸出可以做操控設(shè)備功用易操作簡(jiǎn)略、實(shí)用，可以完成無(wú)人看守設(shè)備，給企業(yè)帶來(lái)方便。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="內(nèi)蒙古GPRS-dtu外殼廠家,GPRS-dtu外殼" src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018976233070085_nhsdo_2261148.jpg"></div><p style="text-indent:25px">GPRS DTU主動(dòng)發(fā)起與數(shù)據(jù)中心的通訊銜接，并堅(jiān)持通訊銜接一直存在。因?yàn)镚PRS DTU處于移動(dòng)內(nèi)網(wǎng)，而且IP地址不固定。因而，只能由GPRS DTU主動(dòng)銜接數(shù)據(jù)中心，而不能由數(shù)據(jù)中心主動(dòng)銜接GPRS DTU。這就要求數(shù)據(jù)中心具有固定的公網(wǎng)IP地址或固定的域名。數(shù)據(jù)中心的公網(wǎng)IP地址或固定的域名作為參數(shù)存儲(chǔ)在GPRS DTU內(nèi)，以便GPRS DTU一旦上電撥號(hào)成功，就可以主動(dòng)銜接到數(shù)據(jù)中心。詳細(xì)地講，GPRS DTU經(jīng)過(guò)數(shù)據(jù)中心的IP地址（假如是選用中心域名的話(huà)，先經(jīng)過(guò)中心域名解析出中心IP地址）以及端口號(hào)等參數(shù)，向數(shù)據(jù)中心發(fā)起TCP或UDP通訊懇求。在得到中心的響應(yīng)后，GPRS DTU即以為與中心握手成功，然后就堅(jiān)持這個(gè)通訊銜接一直存在，假如通訊銜接中止，GPRS DTU將當(dāng)即從頭與中心握手。陜西GPRS-dtu外殼報(bào)價(jià)</p><p style="text-indent:25px">內(nèi)蒙古GPRS-dtu外殼廠家</p><p style="text-indent:25px">支持自動(dòng)心跳，保持長(zhǎng)久在線(xiàn) GPRS通信網(wǎng)絡(luò)的優(yōu)點(diǎn)之一就是支持GPRS終端設(shè)備長(zhǎng)久在線(xiàn)，因此典型的GPRS DTU 在設(shè)計(jì)上都支持長(zhǎng)久在線(xiàn)功能，這就要求DTU包含了上電自動(dòng)撥號(hào)、采用心跳包保持長(zhǎng)久在線(xiàn)（當(dāng)長(zhǎng)時(shí)間沒(méi)有數(shù)據(jù)通信時(shí)，移動(dòng)網(wǎng)關(guān)將斷開(kāi)DTU與中心的連接，心跳包就是DTU與數(shù)據(jù)中心在連接被斷開(kāi)之前發(fā)送一個(gè)小數(shù)據(jù)包，以保持連接不被斷開(kāi) ）、支持?jǐn)嗑€(xiàn)自動(dòng)重連、自動(dòng)重?fù)芴?hào)等特點(diǎn)。支持參數(shù)配置，長(zhǎng)久保存 GPRS DTU作為一種通信設(shè)備，其應(yīng)用場(chǎng)合十分廣（guang）泛。在不同的應(yīng)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。因此，GPRS DTU都應(yīng)支持參數(shù)配置，并且將配置好的參數(shù)保存內(nèi)部的長(zhǎng)久存儲(chǔ)器件內(nèi)（一般為FLASH或EEPROM 等）。一旦上電，就自動(dòng)按照設(shè)置好的參數(shù)進(jìn)行工作。 GPRS DTU的擴(kuò)展功能：較為專(zhuān)業(yè)的GPRS DTU還提供一些擴(kuò)展功能，主要包括：支持?jǐn)?shù)據(jù)中心域名解析內(nèi)蒙古GPRS-dtu外殼廠家</p><p style="text-indent:25px">滄州萬(wàn)瑞電子機(jī)箱有限公司一直專(zhuān)注于電子機(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(mén)批準(zhǔn)后方可開(kāi)展經(jīng)營(yíng)活動(dòng)) ，是一家機(jī)械及行業(yè)設(shè)備的企業(yè)，擁有自己**的技術(shù)體系。唯才是舉，唯能是用：擁有優(yōu)秀人才51~100人和，是實(shí)現(xiàn)企業(yè)戰(zhàn)略目標(biāo)的基礎(chǔ)，是企業(yè)持續(xù)發(fā)展的動(dòng)力。誠(chéng)實(shí)、守信是對(duì)企業(yè)的經(jīng)營(yíng)要求，也是我們做人的基本準(zhǔn)則。公司致力于打造***的[ "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" ]。目前公司已經(jīng)成為[ "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" ]的**企業(yè)，正積蓄著更大的能量，向更廣闊的空間、更***的領(lǐng)域拓展。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/731335.html</p></div></div></div></div></div><div id="8rcioju" class="page-right twoColRt"><div id="xqqgr3l" 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title="六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u id="qgqbi"></u><noframes id="qgqbi"></noframes><menu id="qgqbi"></menu><blockquote id="qgqbi"></blockquote><track id="qgqbi"><label 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