This USB Serial Adapter is designed to make serial port expansion quick and simple. Connecting to a USB port on your computer or USB hub, this USB Serial Adapter instantly adds a RS422/RS485 serial communication port to your system with easy plug-and-play and hot-plug features.

Plugging the USB Serial Adapter into the USB port, the adapter is automatically detected and installed. There is no IRQ & COM port conflicts, since the port doesn't require any additional IRQ, DMA or memory on the system. The RS-422/485 serial port functions as a native Windows COM port, and it is compatible with Windows serial communication applications.

This USB Serial Adapter provides instant connectivity to any RS-422 or RS-485 communication device.

Specifications & Features:

• Adds a high speed RS-422/RS-485 serial port via a USB 1.1 or 2.0 connection
• One DB9 male connector
• No need to open chassis to set operation modes- upper case can be slid open for easy RS-422, RS-485 mode settings
• Installed as standard Windows COM port
• RS-422 data signals: TxD-, TxD+, RxD+, RxD-, GND, RTS-, RTS+, CTS+, CTS-
• RS-485 4-wire data signals: TxD-, TxD+, RxD+, RxD-
• RS-485 2-wire data signals: Data-, Data+
• Automatic transmit and receive control for 2-wire RS-485 half-duplex mode
• Built-in termination and biasing
• High speed serial port with the bps rate up to 921.6K bps
• Non-standard bps rates supported
• LEDs of Power, TxD and RxD for easy port monitoring and diagnostic
• Serial port protected with surge protection of 10KV
• Powered by USB port, no external power adapter required
• Easy plug and play installation and RS-422/RS-485 device connection
• COM port number assigned can be changed to any COM port number required
• Works with USB 1.1 & 2.0 host port
• Virtual COM port drivers provided for Windows 11, 10, 8, 7, Vista, XP, ME, 98, Server 2012, Server 2008, Server 2003, CE.NET (version 4.2 and greater), or RT in 32-bit or 64-bit installations. Also supports Linux, MAC OS X, MAC OS 9, MAC OS 8, Android.