E850-DTU(4440-GPRS) datasheet
Copyright ©2012–2018
,成都亿佰特电子科技有限公司
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1.1.4 Analog input connection
1.2 Quick instruction
Cable connection: The computer connects to the E850-DTU (4440-GPRS) via USB to RS485.
Network connection: Insert SIM card in power-off state.
Power supply: E850-DTU (4440-GPRS) working voltage is DC 8-28V.
1.2.1 RS485 control
Select the port, click “Search”, and search the device.
After the device is searched, click "Stop".