Simplify Communication
SIM7000 Series EVB Quick Start Guide
Page
10
/
12
3.3 AT command Communication
3.3.1 Power on device
1) Switch RF on (n/a for SIM7000 TE, flight mode signal is not connected out);
2) Switch power on;
3) Press POWER_ON button for second.
Now status LED light is solid on, power LED light is solid on, while network LED light is blinking
with below behaviors.
Network LED
Status Description
64ms on, 800ms off
Network scanning, not registered
64ms on, 3000ms off
Registered network (PS service)
64ms on, 300ms off
Data communication (PPP or TCPIP)
For AT communication, Putty, Tera Term or other serial port program could be used.
3.3.2 Communication through UART interface
SIM7000 UART communication supports auto baud rate, as well as other baud rates up to 4Mbps.
Here take Putty for example, configure serial port with COM12, 115200bps-8-1-N.
3.3.3 Communication through USB Interface
USB AT port and modem port are available for AT command communication, while modem port
usually is recommended for pure data communication like PPP or TCP transparent mode.
