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href="http://www.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="cevhyez" class="twoCol"><div id="rtfamne" 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>?江蘇GPRS-dtu外殼加工歡迎咨詢滄州萬瑞電子機(jī)箱供應(yīng)</p><div id="tlctf3v" class="leftbox clearfix"><h1>江蘇GPRS-dtu外殼加工歡迎咨詢滄州萬瑞電子機(jī)箱供應(yīng)</h1><div id="hjvb2qc" class="proBig"><div id="3dc3zam" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018976233070085_nhsdo_5181040.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="lta37ep" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018976233070085_nhsdo_5181040.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="88txovh" 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>江蘇GPRS-dtu外殼加工,GPRS-dtu外殼</p><p><span>***更新：</span>2020-08-22 10:01:53</p><p><span id="click" >瀏覽次數(shù)：5次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="qxtpg2v" 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="ln3o8du" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="lt8rv3u" class="box"><p><p style="text-indent:25px">DTU發(fā)送的懇求信息是因特網(wǎng)上的數(shù)據(jù)包，有一些原因會阻止中心收到銜接懇求包，這樣也就不能樹立銜接。最常見的有中心的電腦上有殺毒軟件、防火墻等把這些數(shù)據(jù)包給屏蔽了。另一是中心電腦是經(jīng)過路由器上網(wǎng)的，在路由器上要設(shè)置數(shù)據(jù)轉(zhuǎn)發(fā)。SOCKET銜接樹立后就可以雙向通訊了。作業(yè)進(jìn)程 GPRS DTU上電后，首要讀出內(nèi)部FLASH中保存的作業(yè)參數(shù)（包含GPRS撥號參數(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)，江蘇GPRS-dtu外殼加工，然后進(jìn)行GPRS PPP撥號。撥號成功后，GPRS DTU將取得一個由移動隨機(jī)分配的內(nèi)部IP地址(一般是10.X.X.X)。也便是說，江蘇GPRS-dtu外殼加工，江蘇GPRS-dtu外殼加工，GPRS DTU處于移動內(nèi)網(wǎng)中，而且其內(nèi)網(wǎng)IP地址通常是不固定的，隨著每次撥號而變化。咱們可以理解為GPRS DTU這時是一個移動內(nèi)部局域網(wǎng)內(nèi)的設(shè)備，經(jīng)過移動網(wǎng)關(guān)來完成與外部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)拜訪外部網(wǎng)絡(luò)的辦法類似。江蘇GPRS-dtu外殼加工</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇GPRS-dtu外殼加工,GPRS-dtu外殼" src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018976233070085_nhsdo_5181040.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、語音、數(shù)據(jù)等喚醒辦法以及超時斷開網(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)過串口軟件升級 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 3. 長途抄表 4. 路燈監(jiān)控 5. 環(huán)境監(jiān)測 6. 氣候監(jiān)測 7. 水利監(jiān)測 8. 熱網(wǎng)監(jiān)測 9. 電表監(jiān)測 10. 機(jī)房監(jiān)控江蘇GPRS-dtu外殼標(biāo)準(zhǔn)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇GPRS-dtu外殼加工,GPRS-dtu外殼" src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018976233383071_nhsdo_2282667.jpg"></div><p style="text-indent:25px">GPRS DTU主動發(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處于移動內(nèi)網(wǎng)，而且IP地址不固定。因而，只能由GPRS DTU主動銜接數(shù)據(jù)中心，而不能由數(shù)據(jù)中心主動銜接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)存儲在GPRS DTU內(nèi)，以便GPRS DTU一旦上電撥號成功，就可以主動銜接到數(shù)據(jù)中心。詳細(xì)地講，GPRS DTU經(jīng)過數(shù)據(jù)中心的IP地址（假如是選用中心域名的話，先經(jīng)過中心域名解析出中心IP地址）以及端口號等參數(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。 </p><p style="text-indent:25px">GPRS DTU在制定方案中的作用及其**功能我們在制定無線數(shù)據(jù)工業(yè)監(jiān)控采集傳輸方案時，需要了解GPRS DTU的**功能，才能制定出基于通信網(wǎng)絡(luò)的GPRS DTU方案。下面介紹四種功能： 1）內(nèi)部集成TCP/IP協(xié)議棧 GPRS DTU內(nèi)部封裝了PPP撥號協(xié)議以及TCP/IP協(xié)議棧并且具有嵌入式操作系統(tǒng)，從硬件上，它可看作是嵌入式PC與無線GPRS MODEM的結(jié)合；它具備GPRS撥號上網(wǎng)以及TCP/IP數(shù)據(jù)通信的功能。 2）提供串口數(shù)據(jù)雙向轉(zhuǎn)換功能 GPRS DTU提供了串行通信接口，包括RS232,RS485,RS422等都屬于常用的串行通信方式，而且GPRS DTU在設(shè)計(jì)上大都將串口數(shù)據(jù)設(shè)計(jì)成“透明轉(zhuǎn)換”的方式，也就是說GPRS DTU可以將串口上的原始數(shù)據(jù)轉(zhuǎn)換成TCP/IP數(shù)據(jù)包進(jìn)行傳送，而不需要改變原有的數(shù)據(jù)通信內(nèi)容。因此，GPRS DTU可以和各種使用串口通信的用戶設(shè)備進(jìn)行連接，而且不需要對用戶設(shè)備作改動。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇GPRS-dtu外殼加工,GPRS-dtu外殼" src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018981911300941_nhsdo_8365549.jpg"></div><p style="text-indent:25px">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 6、尺度產(chǎn)品外形尺度：92x62x22 mm（不包含天線及固定件）產(chǎn)品包裝尺度：298x226x60mm 7、分量 0.41KG 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)) 軟件功用 1. TCP/UDP通明數(shù)據(jù)傳輸；支撐多種作業(yè)形式，心跳包技術(shù) 2. 智能防掉線，支撐在線檢測，在線堅(jiān)持，掉線主動重?fù)?，確保設(shè)備長久在線 3. 支撐RSA，RC4加密算法 4. 支撐虛擬值守VWM（Virtual Man Watch）功用，確保體系安穩(wěn)可靠 5. 支撐虛擬數(shù)據(jù)**網(wǎng)（APN/VPDN） 6. 支撐數(shù)據(jù)中心動態(tài)域名和IP地址拜訪 7. 支撐DNS動態(tài)獲取，避免DNS服務(wù)器異常導(dǎo)致的設(shè)備當(dāng)機(jī) 8. 支撐雙數(shù)據(jù)中心備份江蘇GPRS-dtu外殼標(biāo)準(zhǔn)</p><p style="text-indent:25px">江蘇GPRS-dtu外殼加工</p><p style="text-indent:25px">作為傳統(tǒng)支柱產(chǎn)業(yè)的銷售不知何時被貼上了夕陽產(chǎn)業(yè)的標(biāo)簽，認(rèn)為它就是一個勞動密集型產(chǎn)業(yè)，和智能制造搭不上邊。殊不知，在科學(xué)技術(shù)飛速發(fā)展的當(dāng)下，發(fā)達(dá)國家紛紛出臺了紡織產(chǎn)業(yè)領(lǐng)域發(fā)展戰(zhàn)略。創(chuàng)新、協(xié)調(diào)、綠色、開放、共享的五大發(fā)展理念，不*對機(jī)械制造業(yè)也提出了明確要求，研發(fā)生產(chǎn)科技含量高、附加值高、智能化程度高而碳量排放少的[ "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" ]裝備；同時還要調(diào)整產(chǎn)業(yè)結(jié)構(gòu)，轉(zhuǎn)變發(fā)展方式實(shí)現(xiàn)轉(zhuǎn)型升級。未來有限責(zé)任公司工程機(jī)械滲透率有望持續(xù)提升，新四化(電動化、網(wǎng)聯(lián)化、智能化、共享化)將是未來工程機(jī)械行業(yè)發(fā)展的重點(diǎn)，而智能化的普及更是重中之重。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) 的發(fā)展帶動了電子機(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) 行業(yè)的發(fā)展，我國電子機(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) 行業(yè)已具有較大的規(guī)模，已經(jīng)形成較為完整的產(chǎn)業(yè)鏈布局。在我國經(jīng)濟(jì)步入發(fā)展新常態(tài)后，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) 行業(yè)也處于新舊增長模式轉(zhuǎn)換的關(guān)鍵時期。江蘇GPRS-dtu外殼加工</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。在萬瑞電子機(jī)箱供應(yīng)近多年發(fā)展歷史，公司旗下現(xiàn)有品牌萬瑞等。公司不**提供專業(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) ,同時還建立了完善的售后服務(wù)體系,為客戶提供質(zhì)量的產(chǎn)品和服務(wù)。自公司成立以來，一直秉承“以質(zhì)量求生存，以信譽(yù)求發(fā)展”的經(jīng)營理念，始終堅(jiān)持以客戶的需求和滿意為重點(diǎn)，為客戶提供質(zhì)量的[ "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" ]，從而使公司不斷發(fā)展壯大。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1000094.html</p></div></div></div></div></div><div id="y77my8e" class="page-right twoColRt"><div id="yt7gijf" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3xtkqrs" class="recomPic likePro"><a 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