M16 EVB User Guide
5. Illustration
5.1. Power on operations
(1)
In Figure 7, put Switch S1 to
ON
state and Switch S2 to
OFF
state after 5V DC adapter has
been plugged. The LED L1 on the EVB will be bright.
(2)
Press K1 (PWRKEY) button for more than 2 seconds, then release, the module will begin to
run.
The blinking mode of the LED L2 indicates the status of the module.
5.2. Communicate with the module
(1)
Connect the UART port on 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 the M16 with an RF cable.
(4)
Insert SIM card into the SIM card socket.
(5)
Insert earphone or handset into audio interface.
(6)
Power on the module by pressing PWRKEY button.
(7)
After waiting for 2~3 seconds, customer should firstly 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
document [1]
for details of AT commands. For instance, typing
“ATD112;” will make a call to the emergency number 112.
5.3. Firmware upgrade
(1)
Start the Firmware Upgrade Tool in the PC.
(2)
Press the START button in the Firmware Upgrade Tool.
(3)
Switch the S2 and S1 in the EVB to ON state as shown in Figure 7.
After these steps, the firmware refreshing process will be proceeding. For more details, please
refer to
document [4].
M16_EVB_UGD_V1.01
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Quectel
Confidential
