We use serial to usb converters at the moment, they are so good we have ordered some more.

Northumbrian Water

Easy to set up and use; reliable.

East Coast Viners Grain

Simple, recognised easily and the documentation appears to be complete and concise.  Good stuff.

Unipart Rail

Powerful and easy to use .COM Interface

MiE (Medical Imaging Electronics)

So far I've used the 8 port un-managed switch, RS-485 to Ethernet and now the US-235 without any issues. Great pricing through Newark, well designed and built products!!

Carolina CAT