For efficient setup, troubleshooting, and data transfer, quickly connect your USB-A-equipped personal computer to SEL relays and other devices featuring EIA-232 DB-9 serial ports. For convenience, select a 6-foot or 15-foot length option.
Need assistance with a custom cable? Contact our support team here: Custom Cable Support
USB to EIA-232—Ensure fast, temporary communication between your USB-A-equipped personal computer and an SEL device featuring an EIA-232 DB-9 serial port.
Add Serial Ports to Personal Computers
Use serial data rates up to 115,200 bps. Many devices communicate with EIA-232 serial ports, but many new computers do not have sufficient built-in serial ports. Apply SEL adapter cables to use a USB port to communicate with serial devices.
The Firmware IDs for older versions of the firmware can typically be found in Appendix A of the instruction manual.