NEC NP-17CU01 - Power Cable

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6. Appendix
6-8-2. 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.
Pin view of female connector
Pin No. Signal Name I/O Pin No. Signal Name I/O
1 GPIN1+
(3D L/R Input Reference +)
IN 20 GPIN1-
(3D L/R Input Reference -)
IN
2 GPIN2+
(3D L/R Display Reference +)
IN 21 GPIN2-
(3D L/R Display Reference -)
IN
3 GPIN3+ (system reserved) IN 22 GPIN3- (system reserved) IN
4 GPIN4+ (system reserved) IN 23 GPIN4- (system reserved) IN
5 EXT_GPIN1+
(Control and Title Selection +)
IN 24 EXT_GPIN1-
(Control and Title Selection -)
IN
6 EXT_GPIN2+
(Control and Title Selection +)
IN 25 EXT_GPIN2-
(Control and Title Selection -)
IN
7 EXT_GPIN3+
(Control and Title Selection +)
IN 26 EXT_GPIN3-
(Control and Title Selection -)
IN
8 EXT_GPIN4+
(Control and Title Selection +)
IN 27 EXT_GPIN4-
(Control and Title Selection -)
IN
9 GPOUT1+
(External 3D L/R Output Reference +)
OUT 28 GPOUT1-
(External 3D L/R Output Reference -)
OUT
10 GPOUT2+ (system reserved) OUT 29 GPOUT2- (system reserved) OUT
11 GPOUT3+ (system reserved) OUT 30 GPOUT3- (system reserved) OUT
12 GPOUT4+
(Internal 3D L/R Output Reference +)
OUT 31 GPOUT4-
(Internal 3D L/R Output Reference -)
OUT
13 EXT_GPOUT1+
(Projector Ready/Busy +)
OUT 32 EXT_GPOUT1-
(Projector Ready/Busy -)
OUT
14 EXT_GPOUT2+
(Projector Error Status +)
OUT 33 EXT_GPOUT2-
(Projector Error Status -)
OUT
15 EXT_GPOUT3+
(IMB Play/End Status +)
OUT 34 EXT_GPOUT3-
(IMB Play/End Status -)
OUT
16 EXT_GPOUT4+
(Projector Heartbeat +)
OUT 35 EXT_GPOUT4-
(Projector Heartbeat -)
OUT
17 NC (not connected) - 36 NC (not connected) -
18 GND PWR 37 GND PWR
19 GND PWR - - -
EXT_GPIN1 - EXT_GPIN4: You can control the projector externally by combinations of input signals (high/low).
(Projector power supply/turning the light source on or off/image mute/title selection)
EXT_GPOUT1 - EXT_GPOUT4: Functions in the above table are default settings. You can change the assigned functions.