数据终端单元调制解调器D80-3

蜂窝 RS232 GSM.

坚固的D80-3系列串行到IP 3G调制解调器（也称为DTU）是蜂窝终端，特别是为M2M应用开发。It provides RS232/RS-485/RS-422/TTL interface and is equipped with PPP, TCP/IP and DDP protocol,it could convert user's serial data into IP data and then transmits the data to the customer’s data service center through complete transparent data channel over 3G HSPA+/HSDPA/GPRS mobile network, allows a simple and rapid integration of cellular network connectivity into M2M applications. With the robust, reliable, long life and compact metal case design, the D80 DTU ideally adapts to onboard standard, easy to deploy and maintain, it has been widely applied in many fields worldwide, such as power SCADA, oil field, coal mine, weather forecast, environment protection, water conservancy, heating, natural gas, petroleum and so on. Basic Features Optimized EMC design Support PPP, TCP/IP, UDP/IP and Ping protocol Industrial 3G cellular module Support APN and VPDN wireless private network Support short message service (SMS) Support transparent data transmission Support data service center with dynamic IP address Support LED status indication Wide range voltage input Smart power management External power on/off control Reliable, flexible and easy to deploy Optional Features Multiple operation mode Always online: automatically attaches 3G Celullar when powered on automatically redials when off line and keep line alive Offline when idle and trigged online by user data, ring or SMS GPRS channel and SMS mutual backup Online/offline control by commands via user equipment Data loop test