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USB TO 4CH RS485.jpg

RS485, USB
86.2mm x 48mm x 27.2mm






Parameter Name Parameter
Model Industrial USB to RS485 Converter
Power Supply 5V
Operating Current 23.6mA
Baudrate 1200bps ~ 460800bps
Operating Temperature -40℃~85℃
Operating System Mac OS, Linux, Windows 11 / 10 / 8.1 / 8 / 7, Android

Interface Description

USB TO 4CH RS485 02.jpg

Function Description

The USB TO 4CH RS485 is an industrial-grade USB to 485 non-isolated converter. It incorporates the CH344L and SP485EEN original chips, providing enhanced stability and compatibility. It features built-in lightning protection, a resettable fuse, ESD, and TVS protection circuits, all enclosed in an aluminum alloy casing design. Operating it is simple, offering automatic transmit-receive conversion. It boasts characteristics such as high-speed, stable, reliable, and secure communication. This converter is suitable for various industrial control equipment or applications with demanding communication requirements.

How to Use


CDC Driver

The default driver for your computer is the CDC driver, which can be viewed through the device manager.
USB TO 4CH TTL winEN01.png

VPC Driver

The VCP driver is a manufacturer-specific driver that needs to be manually installed by the user. After installation, you can view it through the Device Manager.
USB TO 4CH TTL win02.jpg


Take RPI as an example, you can use the default driver, and after connecting the device, you can use it by querying the serial device name through the following command:

ls /dev/tty*

USB TO 4CH TTL Linux1.jpg
For example, to open the UART using minicom, enter the command line:

minicom -D /dev/ttyACM0

For example: use minicom to open UART0, then the command line input.

minicom -D /dev/ttyACM0



1. Open the APP and click Scan Device.         2. Click the scanned device.               3. Set the parameters to use.
USB TO 4CH TTL 0.png     Scanned1.png     CH343G Android2.png






It is not possible to control all 4 RS485 using only one ComPort.



Technical Support

If you need technical support or have any feedback/review, please click the Submit Now button to submit a ticket, Our support team will check and reply to you within 1 to 2 working days. Please be patient as we make every effort to help you to resolve the issue.
Working Time: 9 AM - 6 PM GMT+8 (Monday to Friday)