This article is used to troubleshoot issues related to "USB-COM virtual serial port mode" and gives the corresponding processing direction and setting entry.
Applicable to:
C740, E740, F1900, F20, K6, L3, L6BL, L3S, L6BLS, L6S, NT-2100, R3L, S3, S6, H3, M20, NT-1228BC, W6, W6-X, Z3S
Questions
- What to do with USB-COM virtual serial port mode?
- What is the reason for USB-COM virtual serial port mode?
- How to deal with USB-COM virtual serial port mode?
- What settings need to be checked in USB-COM virtual serial port mode?
Resolution / Answer
This article is used to explain the meaning and common processing directions of phenomena such as "USB-COM virtual serial port mode". Usually when the scan results are abnormal, the device behavior is not as expected, or you need to check whether the current parameters are set incorrectly, you can refer to this article to check them one by one.
When the module uses the USB communication interface, but the host application uses serial communication to receive data, you can set the module to USB virtual serial communication. This feature requires the appropriate driver to be installed on the host machine.
000603
Scan the following barcode, 000603.
USB virtual serial port
**Note: In USB virtual serial port mode, the serial port protocol parameters of the module can be adaptively matched according to the serial port parameters of the host application. **
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