Supported Features 31
4.29.1 Connection and Operation
The Consolette comes equipped with the Crossmute functionality. To operate the feature, first
connect a cable between two Consolettes via the DB25 connector on each rear panel. Cables are
not provided by Motorola. Refer to the manual for the cabling diagram.
When the Crossmute cable is connected, the Crossmute feature will function automatically. To
disable the Crossmute functionality, disconnect the cable.
The TX_ACTIVITY output of one Consolette can be connected to the MUTE_IN input of another
Consolette and vice versa. The Crossmute hardware is designed such that the TX_ACTIVITY
output from one Consolette is the correct level to drive the MUTE_IN input on another. When
Crossmute is enabled on the Consolette and it is transmitting, the Consolette will assert its
TX_ACTIVITY output pin. This output will then activate the MUTE_IN input of the connected
Consolette causing the Consolette to mute its local speaker.
4.30 Emergency
The Consolette supports a logic input that when asserted can trigger an over-the-air Emergency
Alarm as if the user pressed the Emergency button on the front of the O5 control head.
This interface can be used with an Emergency Footswitch. The user would have to modify the
accessory to attach to the DB25 connector on the rear of the Consolette. To activate this input, the
EMERGENCY signal must be pulled to a logic low (less than 0.8VDC).
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