M Series User Manual
B-1
020-100009-05 Rev. 1 (09-2010)
Appendix B: GPIO
This section explains how to use a GPIO link from the projector to external equipment, such as devices for
3D synchronizing.
B.1
GPIO Port
The GPIO connector located on the input panel provides
a flexible method of interfacing a wide range of external
I/O devices to the projector. There are 7 GPIO pins
available on the 9pin D-Sub GPIO connector, which are
configurable via RS-232 commands. See
Figure B-1 -
GPIO Connector
. The other two pins are reserved for
ground and power - see table below for pin identifica-
tion.
Table B.1 GPIO Pin
The serial cable required for connecting the external device to the projector’s GPIO connector, must be
compatible with the external device.
GPIO PINS
PIN #
SIGNAL
Pin 1
+ 12V (200mA)
Pin 2
GPIO 2
Pin 3
GPIO 4
Pin 4
GPIO 6
Pin 5
Ground
Pin 6
GPIO 1
Pin 7
GPIO 3
Pin 8
GPIO 5
Pin 9
GPIO 7
F
IGURE
B-1 - GPIO C
ONNECTOR
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