Hi,
I have a very low opinion of Chinese made controllers.
NEVM for instance sell pirate copies of Mach3 and if you go to the Mach3 forum youll be asked to leave because of it.
XHC has a very poor reputation for back-up. If you get stuck trying to set it up you can foreget sending an email to XHC,
it gets delivered to China, thats China in a galaxy far far away.
Quite frankly the only thing to recommend Chinese made controllers is that they are cheap. They seldom work as advertised, they
often don't follow Mach3, they rely on a doctored pirate copy of Mach3 and you get no backup.
Buy a US or European made controller, for example an Ethernet SmoothStepper by Warp9TD, or one of the UCxxx series of controllers by
CNCDrive, or a 57CNC by PoKeys, all in the range $120-$180, all good quality, work as advertised and most imortantly have good manufacturers
support.
Craig