Aten 4 port USB2.0-to-Serial HUB, UC4854-AT

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. ATEN provides 4 models in this series: 2/4-Port USB-to-Serial RS-422/485 Hub; 2/4-Port USB-to-Serial RS-232 Hub

Features:

• Easy way to add 2 RS-232 serial ports
• Fully compliant with USB 1.1; USB 2.0 compatible
• Supports RS-232 serial interface
• 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 2000/2003/XP/NT