Diagnostics(Alt7) page-LED (4th from left on top row) is on. Having trouble configuring Limit & Home Switches. I think this LED is for pin 15. Any ideas where to look to diagnose?
Help with configuration for new Breakout board - LinuxCNC
Breakout board manual.pdf - CNC Zone
Schematics - CNC Controller Technical Manual
Hobbytronics. Mach3 Opto-isolated Parallel Interface break out board
BuildYourCNC - Breakout Board with Relay
5 Axis Breakout Board Driver Wiring Example - YouTube
User Manual of 5Axis Breakout Board
Amazon.com: Walfront Mach3 USB Interface Board, USB CNC Controller 4 Axis Motion Control Card, Interface Breakout Board for Stepper Motor Driver : Electronics
BuildYourCNC - Mach3 USB Interface Board
5 AXIS BREAKOUT BOARD - MACH3 SETTINGS FOR SPINDLE RELAY AND PWM CONTROL - YouTube