FAQ: What do DIP switches on stepper drives do, and what are alternatives?
1) NEW VINTAGE A-202689 TYPE 20 ROTARY INPULSE STEPPER SWITCH 5930-00-601-9882 | eBay
How to Use Rotary Stepping Switches
Hook up two stepper motors to a switch - How To - Carbide 3D Community Site
Amazon.com: 3D Printer X Y Z-Axis Stepper Motor Limit Switch Endstop Cable Line for Ender-3 Ender3 of 3 Durable Plastic Cable Set for Ender-3 Printer Stepper- Motor Cable and Limit Switch :
Motorized Switches
Vintage ROTARY Stepping Switch Relay / 120 Volt Motorized 60 Positions / CA-1515 - Simpson Advanced Chiropractic & Medical Center