Raritan is helping us out some
In the spirit of other RE people, I've heard that you should always have three of the thing you're tearing apart. One to break, one to RE and one to have a known good to test against.
I also just wanted a few more devices to connect to the KX2-416 eventually anyway, so I'd ordered a couple more D2CIM-DVUSB's. I popped them open and...
Now, these two connectors look exactly like the connector they're using on the end of the board and here's the plug for that.
So now, I just need to figure out what kind of connector this is.