- 1.6ft industrial-grade USB to RS232 (DB25 Male) adapter cable provides a reliable connection for computers to communicate with various serial devices through USB ports, including CNC machines, PLCs, plotters, modems, and scanners. - This cable is specifically designed for USB to Serial communication, utilizing only three signals: TXD (Pin 2), RXD (Pin 3), and GND (Pin 7). It is not compatible with parallel printers or devices that use the parallel protocol (IEEE-1284), despite both having a DB25 connector. Please verify your device's compatibility before purchasing. - Compatible with USB 1.1 and 2.0 host and hub ports, this adapter draws power directly from the USB port, eliminating the need for an external power adapter. - Built with an industry-standard F/TD/1 chipset and device drivers, this cable ensures maximum compatibility and reliability for industrial applications. Use Scenarios: - Connect a CNC machine to a computer for seamless control and data transfer. - Interface a PLC with a PC for programming and monitoring purposes. - Link a scanner to your computer for efficient data capture and processing.