Basics
Here is a short collection of useful links that explain about EMC Basics.
The RA webpages are a good general purpose resouce that reasonably covers most EMC Issues
(PDF Document right click and save if required).
Use this decision tree to decide whether or not testing is a requirement for your product. (PDF Document right click and save if required).
Screening Connectors
Here is a picture of a well screened D-type connector, an example taken from the RA Website.
