E-Lins D120 Series DTU Bedienungsanleitung PDF herunterladen (Seite 26)

 D120SeriesDTUUserManual

E‐LinsTechnologyCo.,Limited

6.10  TransparenttransferModeCommunication

6.10.1 Description

D120‐DTU has two operating modes, one is Command Mode, and the other is Transparent

transferMode.SocketcommunicationisimplementedinCommandMode,whenoperatingneed

commandstobesent.WhileinTransparenttransferMode,aslongasyouinitializeitsparameter,

youcantransferdataviatheparameterdirectly.

That’sbecauseTransparenttransferModehelps

theequipmentconnecttoD120setTCP /UDPSocketconnectionviaseriallink.

6.10.2 Environmentrequests

Youshouldbesureaboutthefollowingtestenvironmentbeforestartingthetest:

z A computer online as Transparent transfer Mode server, which should have public

networkIPaddress.

z Assure that the application service center has no gateway programming

implementation,andnorestrictionto1024port

z CopyServer.exe

(Downloadfromwww.szelins.com)andimplement inthecomputer.

z Setuplisteningmode(Defaultoneis1024).

z GettheIPaddressofthecomputer.

z AnothermachineforcommunicationbetweenSocketClientserverandserver.

z  Openthehyperterminaloftheclient

6.10.3 Initializationsetting

TransparenttransferModeisestablishedbyfirstdefiningallrelatedparametersusingAT

commands.OnceinTransparenttransferMode,noadditionalATcommandsmaybesent,asthe

hostseriallinkwillbededicatedtodata,anycharacterswillbesentasdata.Inthismode,no

responseforanycommands,

it’snormal.



AT+CLIENTCONFIG=1,"XXX.XX.XXX.XXX",80

//SetSocketcommunicationserverIP,xxx.xxx.xxx.xxxmeansIPaddress,ornameoftheserver,

butitshouldbetheonewhichDNScanread.<PortNumber>meansserverlistenport.If

successfullysets,returnswithI/OK.



AT+GPRSCONFIG=<method>,”apn”,”login”,”password”

//<method>

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E-Lins D120 Series DTU Bedienungsanleitung Seite 26