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 attached
FG wire attached
Appendix A-7
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