you know it's not just a snake, right? Separate AD channels for each input to the snake, separate DA channels for each output from the snake . . . . I think the Dead's sound guy implemented something like that 20 years ago or something, but they had some bucks to play with.
all of which is to say, IDK. Might try Mixonline or similar pro sound sources, although there are a few pretty savvy live sound folks around here. but I'm not sure it gains you anything but expense and more stuff to go wrong.