NEC DLP CINEMA NC2500S - Manual (Page 60)

52
6. Appendix
Input Connector
GP I/O Connector Inside Projector
Photo-coupler
Forward direction voltage: 1.1V (@5mA)
Resist = 390 Ω
Ext_GPIN_P
Pin No.: 1 2 3 4 5 6 7
Ext_GPIN_N
Pin No.: 20 21 22 23 24 25 26
8
27
Voltage applied across the pins of Ext_GPIN_P and
Ext_GPIN_N should be in the range from 3.3 Vdc to 10 Vdc.
Recommended Operating Current: 5mA
Absolute Maximum Rating:
23mA
• Use with External Control Mode
You can use the GP I/O input port to turn the projector power on and off, to control video mute and to switch signals (switching
the input connector and image adjusting data).
Pin No.
1-20
2-21
3-22
4-23
5-24
6-25
7-26
8-27
6-25
OFF
OFF
OFF
OFF
ON
ON
ON
ON
-
-
5-24
OFF
OFF
ON
ON
OFF
OFF
ON
ON
-
-
4-23
OFF
ON
OFF
ON
OFF
ON
OFF
ON
-
-
Photo-coupler ON / OFF
OFF
ON
OFF
ON
OFF
ON
Function
External control mode OFF
External control mode ON
Power off
Power on
Image mute off
Image mute on
The following functions are used, depending on the combination of the input connectors.
Selects title registered to MACRO 1.
Selects title registered to MACRO 2.
Selects title registered to MACRO 3.
Selects title registered to MACRO 4.
Selects title registered to MACRO 5.
Selects title registered to MACRO 6.
Selects title registered to MACRO 7.
Selects title registered to MACRO 8.
Used internally.
Used internally.
NOTE When in use in the External Control Mode, it is not possible to turn the power on and off from the remote
control, operation panel or menus, to mute the video, or to switch titles.
Output Connector
GP I/O Connector Inside Projector
Photo-coupler
Ext_GPOUT_P
Ext_PROJ_GOOD_P
Pin No.: 9 10 11 12 13 14 15 16
Ext_GPOUT_N
Ext_PROJ_GOOD_N
Pin No.: 28 29 30 31 32 33 34 35
Absolute Maximum Rating: 50 mA