Friendess BCS100 Fiber Laser Capacitive Height Amplifier

THIS IS UNTESTED CURRENTLY – DO NOT PUT THIS INTO USE WITHOUT VETTING THE INFORMATION YOURSELF!

We purchased a BCS100 fiber laser amplifier despite it not having a documented pinout so we can connect it up to LinuxCNC and use it for height control on a DIY fiber laser build. So far here’s our best guess at an electrical schematic:

Thanks Ken for your expertise as always!

Based on some preliminary tests:

Note the arrow aimed at the connector index, pin 1 to the right