This 1ft StarTech.com USB to Serial Adapter Cable allows you to connect legacy serial devices to your modern USB-enabled computer. It features COM retention, interchangeable nuts/screws for flexible mounting, and uses a FTDI IC for reliable performance. The cable also includes ESD protection for added durability and is compatible with Windows, macOS, and Linux operating systems. Connect your DB9 RS232 devices with ease using this high-quality adapter cable.