Alternative router outlet uses

For those users that have a spindle, can the router outlet on the power supply box be used for other purposes? Are there M codes to control it? The vacuum side is controlled with m08 and m09. I haven’t found anything in the manual

M3 turns it on, m5 turns it off

That’s the same code as the spindle uses. Are you saying that it would be on the same time as the spindle?

That is correct. 20 characters

Can other codes be assigned to it to make it more versatile?

No. It is wired to the spindle output.