The ATEN USB-to-Serial RS-422/485 Hub provides an external plug-and-play RS-422 / RS-485 serial connection for computers, notebooks, laptops, and handheld computing devices that support the USB specification. It provides a quick, simple, and cost-effective solution and is ideal for various communication and automation applications.

Features:
-Easy way to add 4 RS-422/RS-485 serial ports
-Fully compliant with USB 1.1; USB 2.0 compatible
-Supports RS-422/RS-485 serial interface
-Supports RS-422 or RS-485 signal on individual ports
-Supports automatic handshake mode
-Up to 115.2 Kbps data transfer rate for each serial port
-Dual data buffers for each upstream and downstream data transfer
-No IRQ, DMA, I/O address resources required
-Supports hot-swapping and plug-and-play
-Built-in 16KV ESD protection
-Supports both bus power and external power
-Works with cellular phones, PDAs, digital cameras, modems and ISDN terminal adapters
-OS support - Windows

Package Contents
1x USB-to-Serial Hub
1x USB Cable
1x Installation Disk
1x User Manual
1x Quick Start Guide