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To transmit configuration data via IR, both the transferring and the receiving MLCs must
be removed from the wall, electrical box, or furniture, and both must be powered on. The
MLC that is already configured can be powered by an external power supply, or it can
share a power supply with the unit that will be configured.
NOTE: All MLC 52 models use the same IR data transfer procedure.
1. On the MLC from which the configuration will be transferred (the donor
unit), set all configuration switches to Off (down).
2. On the MLC that will receive the data, set switch 2 to On (up) and all the
other switches to Off (down).
3. Position the two units so that the IR Transmit and Receive LEDs of both MLCs are
facing each other, and no more than 6 inches (15 cm) apart.
Data Transfer
1
1
2
3
4
E
ON
2 3 4
Tx
IR OUT
GND
IR IN
GND
+ 12V
1
1
2
3
4
E
ON
2 3 4
Tx
IR OUT
GND
IR IN
GND
+ 12V
Less Than 6”
IR Beaming
Transmitting MLC
Receiving MLC
1
ON
2 3 4
1
ON
2 3 4
Figure 15. Setting Up Transmitting and Receiving Units for Wireless Data
Transfer
The data transfer begins when the receiving unit detects the transmitting unit. The
process takes 15 to 20 seconds to complete, though it may take longer if the
transmitting unit has multiple commands programmed on each button.
Transmitting MLC
Receiving MLC
1
ON
2 3 4
1
ON
234
1
ON
234
Transmitting MLC
Receiving MLC
1
ON
2 3 4
1
ON
234
1
ON
234
MLC 52 MediaLink Controllers • Installation and Configuration 16