Christie CP2230 User Manual page 37

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.
Recommended Operating Point
CP2230 User Manual
020-100430-07 Rev. 1 (05-2014)
= 5 mA
Max. Current = 50 mA
Forward Voltage Drop ~ 1.1 V (@ 5 mA)
GPO
GPO
Figure 3-4 GPIO Circuit Diagram
Connect Devices to the cinema projector
+5 VDC (External Supply)
2K
1K
To Center
Pin of BNC
To Shielding
of BNC IR Emitter
3-5