Tripp Lite
Keyspan High-Speed USB to Serial Adapter
Bridge the gap between older serial devices and modern computers with the Tripp Lite Keyspan USA-19HS High-Speed USB to Serial Adapter. This adapter provides a reliable and straightforward solution, appearing as a standard COM port for seamless integration. Enjoy effortless plug-and-play installation and draw power directly from the USB port, eliminating the need for external power adapters. It supports rapid data transfer speeds up to 230 Kbps, doubling the performance of typical serial ports, and includes an LED indicator for status and activity monitoring. Its compact design and bus-powered operation make it an excellent choice for laptops and desktops alike, ensuring broad system compatibility for your essential peripherals.
$41.99
Owner Satisfaction
4.5
/ 5
Category Rank
191
/ 743
#191 in USB Adapters
Price vs Category Average
-17%
Below average
Adapter Type
232
/ USB to Serial (RS-)
Who it's for
- Superior Reliability & Stability
- Broad OS Compatibility
- High Baud Rate Performance
Who should skip it
- Premium Price Point
- Physical Bulk
- Required Driver Download
Key Specs
Adapter Type
USB to Serial (RS-232)
Connector
USB Type-A to DB9 Serial
Data Transfer Rate
Up to 230 Kbps
Power Source
USB Bus-Powered
Supported OS
Windows, macOS
Features
Plug and Play, LED Indicator
Housing Material
Plastic
Form Factor
Dongle
Features
- Connects serial devices to USB ports
- Easy plug-and-play setup
- USB powered, no external adapter needed
- High-speed data transfer up to 230 Kbps
- LED indicator for status and activity
- Ideal for modems, cameras, and PDAs
- Flexible with a detachable cable
- Includes diagnostic software tools
What customers say
Users overwhelmingly praise this adapter for its exceptional reliability and stable serial communication. A key strength is its broad compatibility and excellent driver support across Windows, macOS, and Linux, setting it apart from less stable generic options. Customers frequently note its easy setup and robust performance when connecting legacy equipment, industrial systems, and networking gear. The general consensus confirms this is a premium, dependable solution. Its consistent, error-free operation in demanding situations solidifies its reputation as a highly recommended tool for critical applications where performance matters most.
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$42