Shandong USR IOT Technology Limited USRGM3 사용자 설명서
USR-GM3/GM3s User Manual
Jinan USR IOT Technology Limited
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tec@usr.cn
1.2.
1.2.
1.2.
1.2. Transmission
Transmission
Transmission
Transmission
1.
Put SIM card into the socket on EVK, connect COM1 to PC’s serial port with cable.
2.
Open test software ”USR-TCP232-Test”, set right serial port number and baud rate, and
open it. As the following figure.
open it. As the following figure.
3.
Power up the EVK with DC 5V adapter, then the POWER led will be on, several seconds
later, the WORK led will twinkle, and then GPRS LINKA led will be on.
later, the WORK led will twinkle, and then GPRS LINKA led will be on.