Keyspan USB 4 Port Serial Adapter

The Keyspan USB 4-Port Serial Adapter allows 4 serial devices to be connected to a single USB port. It provides a simple way to add serial ports to a PC without the hassle of installing a serial card, turning off the PC, or configuring IRQs.

This adapter is ideal for industrial and enterprise markets where there is a need to connect serial device to a PC for process control, data collection, or point of sale applications. It is also ideal for connecting modems, fax modems, or terminals to a server.

In addition to supporting Linux 2.4, the Keyspan USB 4-Port Serial Adapter can also be used on Windows and Macintosh computers (see below for details).

Features:
Plugs into a USB port on a PC or Macintosh
Provides four RS-232 male DB9 ports for direct connection to serial devices
Supports data rates up to 230 Kbps per port
Draws its power from the USB connection -- a power adapter is not required
Microsoft WHQL certified
Five year warranty

Requirements:
Windows:
At least one available USB port
Windows 98/Me/2000/XP or greater
Macintosh:
At least one available USB port
Mac OS 8.6 or greater
Mac OS X v10.1.3 or greater
Linux:
At least one available USB port
Linux (click here for latest details)

Compatible Products include:

RS-232 serial instrumentation
Modems and fax modems
Point of sale devices
Digital Cameras, PDAs, and other serial peripherals