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UMTS/HSPA/LTE Module Series
UMTS<E EVB User Guide
UMTS<E_EVB_User_Guide 40 / 44
Figure 33: COM Port Setting Field on QCOM (USB AT Port Connection)
5.2.2. Communication via UART Interface
1. Run the driver disk on PC to install the USB-to-RS232 driver.
2. Connect the main UART interface of module to PC with the USB-to-UART converter cable
(USB-to-RS232 cable), and the USB serial port number can be viewed through the PC Device
Manager, as shown below.
Figure 34: USB Serial Port
3. Install and then use the QCOM tool provided by Quectel to realize the communication between the
UMTS<E module and the PC. The following figure shows the COM Port Setting field on QCOM:
select correct
“
COM port
” (USB Serial Port) and set correct “
Baudrate
” (such as 115200bps). For
more details about QCOM tool usage and configuration, please refer to
document [7]
.
Figure 35: COM Port Setting Field on QCOM (USB Serial Port Connection)