Keyspan High-Speed USB to Serial Adapter

USA-19HS - 220 x 220 pixel Image

  • Works with Windows ( up to WIN8.1 ) and Mac OS (up to 10.9 Mavericks)
  • Connects RS-232/DB9 (male) to USB Type A (male)
  • Detachable 3-ft. cable included
  • No external power source required
  • Compliant with the Federal Trade Agreements Act (TAA) for GSA Schedule purchases


  • Certified: Microsoft WHQL approved
  • Compatible with Apple Sandbox applications
  • High Speed: Supports 230 Kbps - twice the speed of a built in serial port
  • Detachable Cable: Use adapter with any USB cable (up to 5 meters long)
  • LED: Shows adapter status and data activity
  • Plug & Play: Appears as standard COM port
  • Mobile: Easy to carry - weighs just 2 oz.
  • Bus Powered: No external power adapter required
  • Analytic Tools: Includes Windows line monitor and data trace software
  • Field Upgrade: Easy to update over time with free software downloads
  • Easy Expansion: Supports use of multiple adapters on one PC
  • Compliant with the Federal Trade Agreements Act (TAA) for GSA Schedule purchases

Package Contents

  • USA-19HS USB High-Speed Serial Adapter
  • 3 ft. USB device cable
  • CD with driver software and user guide

System Requirements

See "Support" tab for drivers.


  • An available USB port
  • Compatible with 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, 2008 Server R2 64-bit, 8 32- and 64-bit, 2012 Server 64-bit, 2012 Server R2 64-bit, and 8.1 32- and 64-bit
  • An available USB port
  • Compatible with Mac OS 8.6 through 9.x, Mac OS X 10.2.8 through 10.5.x (32- and 64-bit), 10.6 (32- and 64-bit), 10.7 Lion (32- and 64-bit), 10.8 Mountain Lion (32- and 64-bit), and 10.9 Mavericks (32- and 64-bit)
  • Compatible with Apple Sandbox applications

For use with all RS-232 serial devices including modems, GPS devices, cell phones, hand held scanners, networking equipment (console port), graphics tablets, point of sale devices, touch screens, UPS devices, medical and scientific instruments, industrial process control devices, building automation instrumentation and other serial devices.

Product Specifications


Model Type Adapters


Product Overview Keyspan-by-Tripp Lite USB High-Speed Serial Adapter


Unit Dimensions (hwd / in.) 1 x 1.6 x 3.1
Color Black


Connector A USB A (MALE)
Connector B DB9 (MALE)


Certifications Tested to comply with RoHS, REACH, CE, FCC


Product Warranty Period (Worldwide) 2-year limited warranty

† Tripp Lite uses primary and third-party agencies to test its products for compliance with standards. See a list of Tripp Lite's testing agencies.

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