• Connects a 9-pin (DB9) serial device to computer or laptop USB-A port
• Supports data transfer speeds up to 230 Kbps
• Detachable 3-foot USB cable included
• No external power source required
• Works with Microsoft Windows (up to Windows 10) and Mac OS X (up to Mac OS Big Sur 11.6 and Monterey 12.0.1)
• Supports both 32-bit and 64-bit systems

The Keyspan USA-19HS USB to serial adapter connects devices with a 9-pin serial port, such as switches, routers, barcode scanners and lab equipment, to your computer or laptop USB-A port.
Works with RS-232 Serial Devices
■ Connects to switches, routers, barcode scanners, GPS units, point-of-sale devices, lab equipment, network storage devices, modems, graphics tablets and other devices with a DB9 serial port
■ Supports data transfer speeds up to 230 Kbps—twice as fast as a built-in serial port Easy to Set Up and Use
■ No external power supply needed
■ Weighs just 2 oz. for convenient transport in your backpack or laptop bag
■ Includes detachable 3-ft. (0.91 m) USB-A cable
■ Works with any USB cable up to 16-ft. (4.88 m) Compatible with Major Operating Systems
■ Works with Microsoft Windows (up to Windows 10) and Mac OS X (up to Mac OS Big Sur 11.6 and Monterey 12.0.1)
■ Upgradeable with free software downloads
■ Includes Windows line monitor and data trace software
■ Support both 32-bit and 64-bit systems
■ Driver for newest operating systems available for download on the Technical Support page TAA-Compliant
■ Compliant with the Federal Trade Agreements Act (TAA) for GSA Schedule purchases