Extron electronics System 7SC User Manual page 22

Installation, cont'd
IR Communications port wiring options
6
2-10 System 7SC • Installation
The pin assignments are as follows:
A
Signal
B Display power/current sensor detection
C Carrier & signal
D Gnd
+12 V
E
Wire the connector using one of the following wiring options.
E D C B A
System 7
IR Comm
Port
IR COMM
C Carrier & Signal
D
For the IR Emitter only
E D C B A
System 7
IR Comm
Port
IR COMM
C Carrier & signal
D
E
For the IR Broadcaster with emitter port
E D C B A
System 7
IR Comm
Port
IR COMM
A
(Demodulated IR)
D
For a wired projector remote port
For some projectors the emitter must be used together with the IR Broadcaster.
Refer to the IR Broadcaster User's Guide (part #68-392-02) or contact an
Extron support representative for details.
Projector control port — Connect a cable between the projector and this
3.5 mm, 10-pole captive screw connector for RS-232 or RS-422 one- or two-
way projector/display device control. Commands from a downloaded
projector control program or user-defined command strings entered via the
Windows-based control program can be sent to the display device from this
port.
Use the following illustration as a guide to wiring the connector. Wiring will
vary depending on the projector model. In most cases only the transmit (Tx)
and ground connections will be needed.
100'
(30.5 m)
White Striped Wire Only
Gnd*
Gnd
+12 V
Signal
Gnd
IR Emitter
To IR Broadcaster
with emitter port
(#60-272-02)
To the projector's
wired remote port
(Connector type
and pin
configurations may
vary depending on
the projector
model.)