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Configuring the Control I/O

The Control I/O connector (25 way female D-type) on the rear panel allows you to connect up to 4 relay outputs or 4 opto inputs and control them through the Main Station keysets:

I/O type	Description
Opto inputs	Opto inputs enable you to connect a foot switch or other control device and use it to trigger Call or Talk functions. There is also an option to open the mic. You can use this option to talk, hands-free to one or more pre-latched channels.
Relay outputs	Relay outputs enable you to use Call or Talk keys to trigger any external device that accepts a standard contact closure (such as a theater curtain or an On Air light, or the beltpack USB flasher).

I/O type

Description

Opto inputs

Opto inputs enable you to connect a foot switch or other control device and use it to trigger Call or Talk functions.

There is also an option to open the mic. You can use this option to talk, hands-free to one or more pre-latched channels.

Relay outputs

Relay outputs enable you to use Call or Talk keys to trigger any external device that accepts a standard contact closure (such as a theater curtain or an On Air light, or the beltpack USB flasher).