I was just researching some similar options for a particular model I'm interested in. I came up with two options.
One was to cut off the remote and install a relay and an Edison plug to the tethered remote cable, and plug it into a dimmer. This way the machine could be triggered remotely via a lighting console (the relay acting as the switch, with the dimmer's output determining whether or not the relay is 'open' or 'closed'). I haven't tested this though, just a thought.
The second works for live production when there is an audio snake running from stage to front of house. Simply cut off the remote, install an XLR connector, plug it into the snake and reconnect either the factory remote or something else you prefer at the front of house location. The only potential down side to this is that the machine is not interfaced to be controlled from a console. It remains on an external switch. Again, I haven't done this, but put some thought into it.
Either way you void the warranty, but I'm going to have to since not all machines are created with DMX interfaces.
I have seen generic DMX interface kits out there, but I'm not sure how they really line up to control things. If you're a tinkerer, it might be worth messing around with, if not, I'd stick with what works.
Best,
-Tech