Christie CP4230 Setup Manual page 39

If you are wiring your own GPIO cable for use with a server or 3D device such as an IR emitter or a polarizer,
follow the circuit diagram.
CP4230 Setup Guide
020-100669-03 Rev. 1 (5-2014)
Section 3: Connect Devices to the Cinema Projector
Figure 3-3 GPIO Circuit Diagram
3-5