NEC DLP Cinema NC1700L User Manual page 83

6-8-3. 3D connector (D-sub 15 pin)
This is used to connect a 3D image system to the projector.
Pin No.
1 +12V
2 GNDC
3 GNDC
4 RS232_RX
5 RS232_TX
6 CONN_3D_MODE+
7 CONN_SYNC+
8 3D_INPUT_REFERENCE+
9 +12V
10 3D_INPUT_REFERENCE−
11 3D_DISPLAY_REFERENCE+
12 3D_DISPLAY_REFERENCE−
13 CONN_3D_MODE−
14 CONN_SYNC−
15 N/C
Pin view of a female connector
Signal Name I/O
PWR
GND
GND
IN
OUT
OUT
OUT
IN
PWR
IN
IN
IN
OUT
OUT
−
Function
Supplies power (+12V) to the 3D image system
Ground
Ground
Data transmission from the 3D image system
(1200 Baud, 8 bits, No Parity)
Data transmission to the 3D image system
(1200 Baud, 8 bits, No Parity)
3D mode status (+)
(Connects to the collector of the output transistor of the photo
coupler inside the projector)
3D L/R switching timing signal (+)
(Connects to the collector of the output transistor of the photo
coupler inside the projector)
3D L/R timing signal (+)
(Connects to the anode of the input diode of the photo
coupler inside the projector)
Supplies power (+12V) to the 3D image system
3D L/R timing signal (–)
(Connects to the cathode of the input diode of the photo
coupler inside the projector)
3D L/R display timing signal (+)
(Connects to the anode of the input diode of the photo
coupler inside the projector)
3D L/R display timing signal (–)
(Connects to the cathode of the input diode of the photo
coupler inside the projector)
3D mode status (–)
(Connects to the emitter of the output transistor of the photo
coupler inside the projector)
3D L/R switching timing signal (–)
(Connects to the emitter of the output transistor of the photo
coupler inside the projector)
Unused
6. Appendix
83