E-Lins D120 Series DTU Bedienungsanleitung PDF herunterladen (Seite 15)

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

Chapter 4

Common function

Ping Function

AT+iPDS1=220.192.32.103

//setting advanced destination for ping

AT+iPDS2=220.192.0.130

//setting backup destination for ping, when first destination reply time out

AT+iPDS1=www.sina.com //Setting aim top-priority server，send PING package for cycle，（ you can changed

address with others）

AT+iPDS2=www.21cn.com //setting backup server, in case top-priority servers have pro blem（you can changed

address with others）

AT+iPGT=10000 //setting timeout

AT+iPFR=n //setting frequency to send ping packet

AT+iPARS //parameter save

Note: The function is only for SerialNET mode, detect whether online by period sending ping packet. Redial up when be detected

offline. In Chinese mainland, China Unicom filter the ping packet to Internet, so the user should set the destination to China

Unicom’ DNS.

Common China Unicom DNS

220.192.32.103

220.192.0.130

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E-Lins D120 Series DTU Bedienungsanleitung Seite 15