I'm also interested in connecting PICS in a network environment. I would like to use a Hub based environment using the RS-422 protocol, but I haven't found the protocol standard yet. Anyone have any ideas on where to find these protocols? I've heard that they must be purchased. -calladus- --------------- Andrew McDermott wrote: > > I haven't looked closely at what would be involved but perhaps > you could interface your PIC's through RS485 drivers. > > -This is in response to Craig Houston's question about networking PIC's.