NEC DLP Cinema NC3200S User Manual page 61

6-6-2. External control connector (GP I/O) (D-Sub 37 pin)
It is possible to control the projector with an external device and to control the external device from the projector using an
external control connector (GPIO: General Purpose I/O Ports). Each pin is electrically separated from the projector internal
circuits by a photo-coupler. 8 port input and 8 port output are available.
Please contact your dealer/distributor regarding how to use and to operate them.
19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20
Pin No. Signal Name
1 GPIN1+
(3D L/R Input Reference +)
2 GPIN2+
(3D L/R Display Reference +)
3 GPIN3+ (system reserved)
4 GPIN4+ (system reserved)
5 EXT_GPIN1+
(Control and Title Selection +)
6 EXT_GPIN2+
(Control and Title Selection +)
7 EXT_GPIN3+
(Control and Title Selection +)
8 EXT_GPIN4+
(Control and Title Selection +)
9 GPOUT1+
(External 3D L/R Output Reference +)
10 GPOUT2+ (system reserved)
11 GPOUT3+ (system reserved)
12 GPOUT4+
(Internal 3D L/R Output Reference +)
13 EXT_GPOUT1+
(Projector Ready/Busy +)
14 EXT_GPOUT2+
(Projector Error Status +)
15 EXT_GPOUT3+
(IMB Play/End Status +)
16 EXT_GPOUT4+
(Projector Heartbeat +)
17 NC (not connected)
18 GND
19 GND
EXT_GPIN1 - EXT_GPIN4:
EXT_GPOUT1 - EXT_GPOUT4: Functions in the above table are default settings. You can change the assigned functions.
I/O
IN
IN
IN
IN
IN
IN
IN
IN
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
-
PWR
PWR
You can control the projector externally by combinations of input signals (high/low).
(Projector power supply/lamp power supply/image mute/title selection)
Pin view of female connector
Pin No. Signal Name
20 GPIN1-
(3D L/R Input Reference -)
21 GPIN2-
(3D L/R Display Reference -)
22 GPIN3- (system reserved)
23 GPIN4- (system reserved)
24 EXT_GPIN1-
(Control and Title Selection -)
25 EXT_GPIN2-
(Control and Title Selection -)
26 EXT_GPIN3-
(Control and Title Selection -)
27 EXT_GPIN4-
(Control and Title Selection -)
28 GPOUT1-
(External 3D L/R Output Reference -)
29 GPOUT2- (system reserved)
30 GPOUT3- (system reserved)
31 GPOUT4-
(Internal 3D L/R Output Reference -)
32 EXT_GPOUT1-
(Projector Ready/Busy -)
33 EXT_GPOUT2-
(Projector Error Status -)
34 EXT_GPOUT3-
(IMB Play/End Status -)
35 EXT_GPOUT4-
(Projector Heartbeat -)
36 NC (not connected)
37 GND
-
6. Appendix
I/O
IN
IN
IN
IN
IN
IN
IN
IN
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
PWR
-
-
-
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