Tripp Lite Keyspan USB to Serial Adapter 1 Port High Speed RS-232

USB 1 Port Serial More Like This Looking for the best way to connect serial devices to a computer's USB port? Tripp Lite Keyspan's High Speed USB Serial Adapter provides a simple, inexpensive, and reliable way to make this connection. The USB Serial Adapter is ideal for use with GPS, modems, digital cameras, ISDN terminal adapters, graphics tablets, PDAs, bar code scanners, label printers and other serial devices. Unlike many RS-232 adapters in its class, the Keyspan 19HS advanced drivers allow very high compatibility with nearly every RS-232 product on the market. That means RS-232 devices should "just work," provided they are supported by the host operating system.

This High Speed USB to Serial Adapter supports data rates up to 230 Kbps; up to twice the speed of a standard PC serial port. USB 1.1 compliant featuring simple "Plug and Play" installation. Lightweight and ideal for laptops, the adapter draws its power from the USB connection. It is compatible with most systems with an available USB port, including Windows, Macs, and Linux.

Part Number and Description Price Add to Cart
USB-SIO-K03 Keyspan USB to 1 Port Serial Adapter High Speed RS-232 $41.00 Buy Now

Features and Specifications

Win32 x86Unix MacOSX

CE Mark

Manufacturer certifies RoHS Compliance

USB Logo

Vista Ready

Seven Ready

  • Simple and easy to install
  • Supports data rates up to 230 Kbps
  • Cable (detachable) plugs into a USB port on a PC or Mac
  • Provides one male DB9 port for connection to serial device
  • Draws its power from the USB connection -- a power adapter is not required
  • Includes line monitor, date trace and configuration utilities for Windows
  • Easy to carry -- weighs just 2 ounces!
  • Microsoft WHQL certified
  • RoHS Complaint
Warranty Information
  • 1 Year Limited Warranty
System Requirements
  • USB equipped computer with Windows Windows 98, 98 SE, Me, 2000, XP 32- and 64-bit, 2003 Server 32- and 64-bit, Vista 32- and 64-bit, and 7 32- and 64-bit
  • USB equipped computer with Mac Mac OS X 10.2.8 through 10.5.x (both 32- and 64-bit), and Mac OS X 10.6 (32-bit and 64-bit)
  • USB equipped computer with Mac OS 8.6 to 9.X
  • Unsupported but known to work with USB equipped computer with Linux 2.4.22 or later
  • Unsupported but known to work with USB equipped computer with BSD (Open/Free/Net) and Solaris
Serial Communications
  • Serial Interface: RS-232
  • Serial Connector: DB-9 Male
  • Max Data Rate: 230 Kbps
USB Specifications
  • Host Interface: USB 1.1
  • USB Connector: USB Type B (downstream)
  • Complies with USB 1.1 DC Power Specifications
Environmental Characteristics
  • Temperature Range: 0 to 40°C
  • USB Connector: USB Type B (downstream)
  • Complies with USB 1.1 DC Power Specifications
Package Includes
  • Tripp Lite Keyspan USB High Speed Serial Adapter
  • 3 ft. USB device cable
  • CD with driver software and user guide


Download Driver Download Page
Tripp Lite Keyspan page for driver downloads

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