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NOTE
1. If developers want to use HyperTerminal for testing, then Qualcomm HS-USB Modem 901F can be
used.
2. Please note that the USB port numbers may be different among different modules.
5.4. Communication via UART Interface
1.
Run the driver disk on PC to install the USB-TO-RS232 driver.
2.
Connect the UART interface to the PC with USB-TO-RS232 converter cable and then turn on the
module according to the procedures mentioned in Chapter 5.1. After that, serial port number can be
viewed through the PC Device Manager, such as below:
3.
Install and then use the QCOM tool provided by Quectel to realize the communication between the
smart module and the PC. The following figure shows the QCOM configuration: select correct "COM
port" (USB Serial Port) and set correct "Baudrate" (such as 115200 bps). see document [2] for
detailed information about QCOM tool usage and configuration,
SA800U-WF_EVB_User_Guide
Figure 63: USB Serial Port
Smart Module Series
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