- Ensure the converter is securely connected to the USB port and the RS485/RS422 device.
- Verify that the correct COM port is selected in your software.
- Check cable connections and wiring for any faults.
- Review the converter's specifications to ensure compatibility with your devices.
About Premier Cable
Premier Cable is a professional cable and converter manufacturer, focusing on providing a variety of high-quality USB conversion products. Our product line covers USB to RS232 Converter, USB to RS485 Converter, USB to RS422 Converter and USB to TTL Converter solutions, which are widely used in industrial automation, communication, data acquisition and other fields. With years of industry experience and excellent manufacturing technology, we provide customers with reliable and durable products to meet the connection needs in different scenarios.
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