The Interface Boards

Note: Two screws are labelled CG. Be sure to remove the one indicated in the illustration below.

Installing the board

There are two basic types of interface board designs-the frame ground (FG) wire is attached for one type and not attached for the other. This difference does not affect the operation of the interface in any way.

1.If the interface board comes with an FG (frame ground) wire that is not already attached to the board, attach the wire as shown below on the left.

FG wire not attachedFG wire attached
Appendix A-7