Can anyone give me any information about the unit above? It's made by ICS Electronics Corporation and it's a model 2351. It looks like it's made to receive serial data commands to auctuate relays and sense digital inputs. One port on the back in marked "Local Term" and two other 50 connectors marked "Digital Inputs and Relay Outputs". It looks like it might be fun to play with if I can get it working. ICS won't help. They say that it's too old. (I'll remember that next time my company wants to order something from them!) Joe