Polycom MX392 - Manual (Page 31)

L
OGIC
I
NPUT
Go to the Logic Input page of Conference Composer. If the SWITCH OUT wire is connected to Logic
Input pin 1, then you need to assign Pin 1 by left-clicking the desired pin in the DB-25 graphic and
selecting the pink color (The pink color means that the pin is not grouped to other pins).
Now, right click in the A CTIVATED C OMMAND column for Logic Input 1 and select I NSERT , I NPUT , 1,
M UTE , O N . Now, whenever the switch goes Active Low (0V DC), the Vortex Device will mute
Input 1.
Now, right click in the D EACTIVATED C OMMAND column for Logic Input 1 and select I NSERT , I NPUT , 1,
M UTE , O FF . Now, whenever the switch goes Active High (+ 5V DC), the Vortex Device will unmute
Input 1.
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