GSM /GPRS Module
M10 EVB User Guide
M10_EVB_User_Guide Confidential / Released 26 / 31
5 Illustration
5.1. Power on
(1) Connect the M10-TE-A to the 60 pins connector on M10 EVB.
(2) Insert the plug of the 5V power adapter.
(3) Turn the Switch S202 to ON state, Switch S203 to OFF state, and Switch S201 to OFF state. The LED
D503 on the EVB will be lighted.
(4) Press the PWRKEY for about 2 seconds. The LED D101 will be lighted which indicates the module in
working status. With LED D101 is on, the module begins running. Otherwise, please check the circuit.
(5) The LED D502 will be flashing at a certain frequency. The GSM working status of the module can be
judged by the LED status.
Please refer to chapter 7in document [3] for detailed network status indication.
5.2. Communicate with Module
(1) Connect the Main Port of EVB to PC’s USB port with the USB to UART converter cable.
(2) Open the HyperTerminal (AT command window) on PC. The location of the HyperTerminal in
windows XP is: START →program →accessory →communication →HyperTerminal. Set appropriate
Baud Rate (such as 115200 bps) and COM number which can be checked by the Device Manager on
PC.
(3) Connect an antenna to M10-TE-A with an RF cable.
(4) Insert SIM card into the SIM card socket.
(5) Insert earphone or handset into audio interface.
(6) For Power On operation, please refer to chapter 5.1.
(7) After waiting for 2~3 seconds, customer should first input “AT” or “at” string once or more until
receiving “OK” from the module in the HyperTerminal.
The module is set to autobauding mode in default configuration. This operation is to synchronize the
baud rate between the computer and the module.
(8) Input AT command and the module will execute its corresponding function.
Customer can refer to chapter 7 in document [5] for the details of AT commands. For instance, when
input “ATD112;” an emergency call is established.
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