Installation, cont’d
Audio output connections
7Audio Out(put) connectors — Connect an audio output device to either connector for balanced or unbalanced stereo audio output. A device such as a tape recorder can be connected to the Fixed output while a power amplifier can be connected to the Variable output. Wire each captive screw connector as shown below.
Unbalanced Output
Tip
See Caution
Sleeve (s)
Tip
See Caution
L | AUDIO |
R | OUT |
Balanced Output
Tip
Ring
Sleeve (s)
Tip
Ring
L | AUDIO |
R | OUT |
CAUTION
Connect the sleeve to ground (Gnd). Connecting the sleeve to a negative
The Fixed connector outputs audio at a fixed level and is unaffected by changes made via the front panel Volume/Adjust knob. The Variable connector outputs audio that can be attenuated by turning the Volume knob.
Control connections
8MLC/IR port — Connect a cable between this port and an optional Extron MLC 206 MediaLink Controller or an optional IR Link IR signal repeater.
•The MLC provides remote control of input switching and volume.
•The IR Link accepts modulated IR signals from a remote control so the remote control can be used for selecting the switcher’s inputs.
Extron
MLC/IR
A B C | Switcher | A B C D E |
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| MLC/IR port |
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IR
+12VDC
Ground ( 
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C IR (IR Link) D
MediaLink Switcher to an IR Link
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| R | G | B | H | V | Y/C | VID |
INPUT 1 | INPUT 2 | INPUT 3 | INPUT 4 |
| INPUT 5 |
| INPUT 6 |
| RGBHV |
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| AUDIO OUT |
| MLC/IR |
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L | R | L | R | L | R | L | R | L | R | L | R | OUTPUTS |
| L | R L | R | A B C |
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RS232
IR Link | MLS 306 Rear Panel |
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SIGNAL
IR LINK
IR Link
MLC/IR | MediaLink |
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A B C | Switcher |
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| INPUT 1 | INPUT 2 | INPUT 3 | INPUT 4 | INPUT 5 | INPUT 6 |
| RGBHV | R | G | B | H | V | Y/C | VID | ||
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| L | R | L R | L R | L R | L | R | L | R |
| OUTPUTS |
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| RS232 |
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| Tally Out | MLS/Power | 0701 Printed USA | ||||
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| +12VDC |
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| Display/Source Control |
| Relays | IR/RCM | Extron Switcher Control | in the | |||||||
| Ground ( | ) | Ground ( | ) |
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| B Receive (Rx) | Transmit (Tx) B |
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| A Transmit (Tx) | Receive (Rx) A |
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NOTE If you use cable that has a drain wire, tie the drain wire to ground at both ends.
MLC MLS/Power port
A B
MLS / Power
NOTE The switcher provides power to the controller.
MediaLink Switcher to an MLC 206
