SIM300 EVB User Guide
SIMCOM
SIM300_EVB_UGD_V1.00 Page 6 of 6
4.2 Connecting Net and calling
(1) connect the serial port line to the MAIN serial port, open the HyperTerminal(AT
command windows) on your Personal computer, the location of the HyperTerminal in
windows2000 is START
→
accessory
→
communication
→
HyperTerminal. Set correct
Baud Rate and COM number. The Baud Rate of SIM300 is 115200, and the COM
number based on which USB port your serial port line insert in, you should select such
as COM3 or COM4 etc.
(2) Connect the antenna to the SIM300 module using an antenna transmit line, insert SIM
card into the SIM card interface, insert headphones or headset into its interface.
(3)
Act on the step of
running
which mentioned above, power on the system, typing the
AT command in the HyperTerminal, and then the SIM300 module will execute its
corresponding function.
4.3 Downloading
Connect the serial port line to the
MAIN
serial port, connect the direct current source
adapter, run the download program and press the
START
key, then switch the S1 switch on
ON
state, S2 switch on
ON
state, then EVB provide the function of downloading.
4.4 Turns off and Reset
(1)
Turn off SIM300 module: press the PWRKEY for about 1 second, SIM300 module will
be turned off.
(2)
RESET: when emergency happens, the module can not be turned off and turned on by
the PWRKEY, then press the RESET key and release it, SIM300 will be reset.
