Tripp Lite Keyspan USB to Serial Adapter, USB-A Male to DB9 RS232 Male, 3 ft. (0.91 m), TAA

Overview

The Tripp Lite USA-19HS is a USB to Serial adapter designed to connect modern computers with USB-A ports to devices that use a DB9 RS232 serial interface. It enables seamless communication with legacy or specialized equipment such as routers, switches, barcode scanners, and laboratory instruments. With data transfer speeds up to 230 Kbps, it offers faster performance than most built-in serial ports, making tasks like firmware updates and console sessions more efficient.

Key features

• Provides a reliable connection between USB-A ports and DB9 RS232 serial devices, ensuring compatibility with older hardware.
• Supports data transfer rates up to 230 Kbps, reducing wait times during data logging and device configuration.
• Compatible with a wide range of Windows and macOS versions, including both 32-bit and 64-bit systems, for broad usability.
• Includes a detachable 3 ft USB cable that offers flexibility in device placement and easy replacement if needed.
• Powered entirely by the USB bus, eliminating the need for an external power supply and simplifying setup.
• Compact and lightweight design makes it easy to carry in toolkits for technicians and field service professionals.
• TAA-compliant, making it suitable for federal procurement and government use.
• Backed by a 3-year limited warranty, providing long-term reliability and support.

Key specs

• Data transfer rate: up to 230 Kbps
• Connector type: USB-A male to DB9 RS232 male
• Cable length: 3 ft (0.91 m), detachable
• Operating system support: Windows and macOS, 32-bit and 64-bit
• Power: USB bus-powered, no external power required
• Compliance: TAA (Trade Agreements Act)
• Warranty: 3-year limited

Connectivity and compatibility

This adapter bridges the gap between modern USB-A ports and legacy serial devices, making it a practical solution for environments where older equipment remains essential. It supports a wide range of serial devices commonly found in networking, industrial, and laboratory settings. The plug-and-play design ensures quick recognition by most operating systems, while driver downloads are available for full compatibility with various Windows and macOS versions.

Ideal uses and environments

The USA-19HS fits well in professional settings where maintaining communication with serial devices is critical. Network administrators, field technicians, and IT professionals will find it especially useful for managing routers, switches, and other serial-based hardware. Its portability and ease of use make it a strong choice for on-site service calls and remote troubleshooting, while TAA compliance ensures it meets government procurement standards.