LTE Module Series
LTE OPEN EVB User Guide
LTE_OPEN_EVB_User_Guide 58 / 62
Figure 47: 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 RS-232 driver.
2. Connect the main UART interface of module to PC with the USB to RS-232 converter cable, and the
USB serial port number can be checked through the PC Device Manager, as shown below.
Figure 48: USB Serial Port
3. Install and then use the QCOM tool provided by Quectel to realize the communication between the
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 [6].
Figure 49: COM Port Setting Field on QCOM (USB Serial Port Connection)
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