SIM300D EVB User Guide
SIM300D-EVB_UGD_V1.01 Page 17 of 19
6.2 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 SIM300D 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 SIM300DTE with SIM300D 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 SIM300D module will execute its
corresponding function.
6.3 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.
6.4 Turns off
Turn off SIM300D module: press the PWRKEY for about 1 second, SIM300D module will
be turned off.
6.5 Charging
Connect the SIM300DTE with SIM300D module to the 60pin connector interface and
the external battery to charging interface, which have been provided on the EVB. Insert the
direct current source adapter; switch shifter S2 on the OFF state, shifter S3 on the ON state,
then the SIM300D will go to the charging state.
