User`s manual
OEM User’s Manual 101
APPENDIX D. DIGITAL I/O ACCESSORY
BOARD
Appendix D describes the features and accessories of the Digital
I/O accessory board, and explains how to use the Digital I/O
accessory board. The Digital I/O accessory board mounts on the
Interface Board or other board already installed on the Interface
Board from which it receives its power and signals.