E-Lins D120 Series DTU Manual do Utilizador descarregar pdf (Página 12)

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

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+++ //exit SerialNet mode

AT+iTUP=0 //disable the trigger up function

AT+iPARS //parameters save

Note: our test server: 218.108.22.22: 80 it will send 1 “ok” to client per minute

Socket mode

AT+iSTCP:ip,port //establish a tcp connection to the IP and port

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

I/ERROR(075) //not logon cellular network，please checking Card and Signal quality

I/ERROR(207) //logon cellular network，But can’t connecting to TCP server programme，you should

to check firewall, IP Port and port listen if collide with them

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

Note: our test server: 218.108.22.22: 80 it will send 1 “ok” to client per minute

UDP Connect

SerialNet Mode

AT+iSTYP=1 //set UDP mode

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

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

AT+iTUP=2 //always online

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)

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…… //communication

……

+++ //exit SerialNet mode

AT+iTUP=0 //disable always online function

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E-Lins D120 Series DTU Manual do Utilizador Página 12