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PVS 407D • Connector Wiring
61
Wiring for IR Communication
Connect the IR/RS-232 projector communication cable for either RS-232 or IR projector
control.
MLC Plus 100
Rear Panel
Ground ( )
Receive (Rx)
Transmit (Tx)
RS-232 to projector
RS-232 connection
Tx Rx G
COM 1
NOTE:
Some projectors require null connection wiring, which inverts the Tx and Rx
connections. See the projector guide for details.
Figure 48.
RS-232 Connection to Projector
G
S
IR
MLC Plus 100
Rear Panel
To projector
Ground ( )
IR Signal
Unidirectional IR Output
via White Striped Wire
IR Emitter
100'
(30.5 m)
IR connection
Black
Red
Black
Figure 49.
IR Connection to Projector
Connect the MLC to the projector with an RS-232 cable or IR emitter cable, as
appropriate.
Black
Red
Projector
MLC IR/RS-232
Comm Cable
IR Emitter
Connecting IR Cable
White
(or striped)
Black
Red
Black
9-Pin Female
White
Green
Shield
MLC Plus 100
Connecting RS-232 Cable
Projector
G
S
IR
Tx Rx G
COM 1
NOTE:
Red and black
not used.
NOTE:
White, violet, and
shield not used.
Figure 50.
IR Emitter Cable Connection
48
49
50
COM 1 Terminal RS-232 Cable Color Pin
Tx
White
2
Rx
Green
3
Ground
Shield
5
IR Terminal
IR/RS-232 Cable Color
IR Cable Color
Ground
Black
Black
IR Signal
Red
White/Black