To use the Mecer USB to Serial adapter, you need to install a driver on your computer. The driver acts as a bridge between the adapter and your operating system, allowing you to communicate with the serial device. Without the driver, the adapter will not work properly, and you will not be able to use it to connect to your serial device.
If your device ID shows VID_0403 , download drivers from the FTDI Chip VCP site . 3. Installation Steps mecer usb to serial driver download
Apple removed built-in CH340 drivers after macOS Catalina. For MECER adapters: To use the Mecer USB to Serial adapter,
Only use Mecer’s own CD if your cable is genuine and old (Windows 7/XP era). For most users, the chipset manufacturer’s driver is the real fix. the adapter will not work properly
Session expired
Please log in again. The login page will open in a new tab. After logging in you can close it and return to this page.
