NEC NC1600C user manual External control connector GPI/O D-Sub 37 pin

6. Appendix

6-7-5. External control connector (GPI/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 view of female connector
Pin No.	Signal Name	I/O	Pin No.		Signal Name	I/O
1	Ext_GPIN_1_P	Input	20		Ext_GPIN_1_N	Input
2	Ext_GPIN_2_P	Input	21		Ext_GPIN_2_N	Input
3	Ext_GPIN_3_P	Input	22		Ext_GPIN_3_N	Input
4	Ext_GPIN_4_P	Input	23		Ext_GPIN_4_N	Input
5	Ext_GPIN_5_P	Input	24		Ext_GPIN_5_N	Input
6	Ext_GPIN_6_P	Input	25		Ext_GPIN_6_N	Input
7	Ext_GPIN_7_P	Input	26		Ext_GPIN_7_N	Input
8	Ext_GPIN_8_P	Input	27		Ext_GPIN_8_N	Input
9	Ext_GPOUT_1_P	Output	28		Ext_GPOUT_1_N	Output
10	Ext_GPOUT_2_P	Output	29		Ext_GPOUT_2_N	Output
11	Ext_GPOUT_3_P	Output	30		Ext_GPOUT_3_N	Output
12	Ext_GPOUT_4_P	Output	31		Ext_GPOUT_4_N	Output
13	Ext_GPOUT_5_P	Output	32		Ext_GPOUT_5_N	Output
14	Ext_GPOUT_6_P	Output	33		Ext_GPOUT_6_N	Output
15	Ext_GPOUT_7_P	Output	34		Ext_GPOUT_7_N	Output
16	Ext_PROJ_GOOD_P	Output	35		Ext_PROJ_GOOD_N	Output
17	NC	-	36		NC	-
18	Reserve	-	37		Reserve	-
19	Reserve	-	-		-	-

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