
D120SeriesDTUUserManual
E‐LinsTechnologyCo.,Limited
TableofContents
1 PROLOGUE ·······································································································································4
1.1VERSION ···································································································································· 4
1.2REFERENCEDDOCUMENTS ············································································································· 4
1.3NOTICE ······································································································································ 4
2 INTRODUCTION······························································································································5
2.1BRIEF ········································································································································ 5
2.2FEATURES··································································································································· 5
2.3SPECIFICATION····························································································································· 5
2.4APPLICATION······························································································································· 6
3 GETTING STARTED························································································································7
3.1PANELINTRODUCTION··················································································································· 7
3.2THELEDSTATE···························································································································· 7
3.3CONNECTTOPRODUCTS ················································································································ 8
3.4INSERTSIMCARD························································································································ 8
3.5NOTE:HYPERTERMINAL ··············································································································· 8
3.6TESTCOMMAND ························································································································ 12
4 CONFIGURE DTU BY PC ·············································································································13
4.1UDPMODE ····························································································································· 13
4.1.1 UDPclientTransparenttransferModealwaysonline ································ 13
4.1.2 UDPclientTransparenttransferModetransitorylink.······························· 13
4.2TCP MODE ···························································································································· 14
4.2.1 TCPclientTransparenttransferModealwaysonline ································· 14
4.2.2 TCPclientTransparenttransferModetransitorylink.································ 14
4.3FOR EXAMPLE ······················································································································· 15
5 COMMAND FUNCTION ···············································································································21
5.1SETTINGREGISTRATIONPACKAGE ··································································································· 21
5.2SETTINGKEEPALIVEPACKAGE ········································································································ 22
5.3SETTINGCLIENTADDRESSANDPORT······························································································· 22
5.4SETINATRANSPARENTTRANSFERMODE ························································································· 22
5.5OTHERATCOMMANDS ··············································································································· 23
5.5.1 AT+IPCONFIG? ······················································································ 23
5.5.2 AT+TELE=<index>,<Tel_num> ································································· 23
5.5.3 AT+SMS=<sms>····················································································· 23
5.5.4 AT+CSQ ································································································ 24
5.5.5 AT+CFUN=1 ·························································································· 24
5.5.6 To restore the value of the factory ······················································ 24
5.6BAUDRATE ······························································································································· 24
5.7APNCONFIGURATION ················································································································· 24
5.8WATCHDOG ····························································································································· 25
5.9IDLETIMECONTROL ···················································································································· 25
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