E-Lins D120 Series DTU Manual de usuario descargar pdf (Pagina 13)

D120 DTU Modem Quick Start

E-Lins Technology Co.,Limited

Add:Bld22, Longxi Garden, Nonglin Road, Futian, Shenzhen, 518000, China

Tel: +86-755-83700465 E-mail: [email protected] www.szelins.com

AT+iSTYP=0 //restore to tcp mode

AT+iPARS //parameter save

SerialNet Mode with Trigger Up

AT+iSTYP=1 //set UDP mode

AT+iHSRV=ip:port //set opposite IP and port

AT+iLPRT=port //set local port for listen

AT+iIATO=n //n=Integer, the DTU will offline when the connect no data transport in (n) seconds

AT+iTUP=1 //set it to trigger up mode, refer chapter 8 for detail

AT+iPARS //parameters save

AT+i!SNMD //switch to SerialNET mode (please must input this command after parameter save,

then the DTU modem will be into communication mode for work)

……

…… //communication

……

+++ //exit SerialNet mode

AT+iTUP=0 //disable always online function

AT+iSTYP=0 //restore to tcp mode

AT+iPARS //parameter save

Note: change to SerialNet mode, the AT command don’t have "!"

Socket Mode

AT+iSUCP:ip,port:lport //establish a UDP connection by command. Send data to ip&port, receive data from

lport

I/(000) //000 is handle of the connection

AT+iSSND%:000,n:*******

//send a stream (******) to connect 000, length is (n),

AT+iSRCV: 000 //receive data from connection 000

AT+iSCLS: 000 //close the connection 000

DTU Point to Point Connecting Mode

Client setting is the same as above, server setting is below

Note: in china mainland, the point-to-point transmit ion mode is used to special network: VPDN,

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E-Lins D120 Series DTU Manual de usuario Pagina 13