Christie CP4220 User Manual page 38

Section 3: Connect Devices to the Projector
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.
3-6
Figure 3-5 GPIO Circuit Diagram
CP4220 User Manual
020-100690-02 Rev.1 (1-2012)