ATEN ATEN UC2322 2-Port Hub, USB to RS-232

The device provides external, plug-and-play RS-232 serial communication for computers and laptops with USB ports.
A fast and simple solution for various communication and automation applications.

Easy way to add 2 RS-232 serial ports
Full compatibility with USB specifications 1.1; USB 2.0 compatibility
Supports RS-232 serial interface
Supports automatic handshake mode
Up to 115.2 Kbps data transfer rate for each serial port
Double data-buffers for each upstream and downstream stream
No IRQ, DMA, I/O address resources are required
Supports hot-swapping and plug-and-play
Built-in 16 KV ESD protection
Supports bus power and external power
Works with cellular phones, PDAs, digital cameras, modems and ISDN terminal adapters
OS support - Windows 2000/2003/XP/NT