sterretje:
Couldn't you post a link to the datasheet? I opened two of them and could not find rs232 or 232.
I apologize all I linked the wrong laser, here's the correct data sheet:
https://edge.coherent.com/assets/pdf/Coherent-StingRay-Operator-s-Manual.pdf
The one I linked above is an alternative where I can just run the power through a relay.
Thanks!