On May 3, 2009, at 6:09 PM, solarwind wrote: > > I don't understand what you mean by "terminate" the two ends. I tried > to google for it, but searching for phrases involving "CAN" are > difficult. > This is a website I frequently refer to regarding the CAN specification: http://www.interfacebus.com/Design_Connector_CAN.html You essentially need just three wires - CAN High and CAN Low in a twisted pair, and Ground. High noise may require shielding. Termination is via a 120 ohm resistor, though in the case of National Instruments equipment I've worked with in the past, that resistor was inclusive in the interface. Joe -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist