Originally Posted by
dharmic
For serious, the Ethernet versions are a little more expensive but:
1. They don't care 32/64 bit OS
2. They are a shedload better at noise and ground loop immunity
3. They are a bigboatshedload better at keeping latency to a minimum
I put off a USB conversion for ages but, seriously, do it. The UC400-ETH in that family is what I have, gives you a couple of parallel ports effectively worth of I/O for Mach3 or UCCNC. Or the newer UC300-ETH with its breakout board gives you something stupid like 5 LPT ports worth of IO and throws in some handy analogue I/O too. Very, very sweet bit of kit.