The advanced serial control jack shall employ the use of a standardized device control protocol that is commonly accepted and understood by control systems manufacturers. This control jack shall accept and transmit bi-directional serial commands that provide full control over the device, and provide acknowledgement to the control system of the received command.

The parallel (contact closure) control jack shall employ the use of a standardized device control protocol that is commonly accepted and understood by control systems manufacturers. This control jack shall accept and transmit commands based on the state of specific contacts, when shorted to ground. This method shall provide limited control over the device, and provide acknowledgement to the control system of the received command.

The following device functions shall be available for control using this method.

Muting

Scene recall

Volume adjustment

Input selection (priority over-ride)

Input state (priority over-ride)

Power / off of connected projector or display

Power status of connected projector or display

Pass-through control of serial connected source devices

Over-limit indicator on / off

Scene recall on / off

The USB control jacks shall employ the use of a standardized device control protocol that is commonly accepted and understood by computer manufacturers. This control jack shall accept and transmit bi-directional serial commands that provide full control over the device, and provide acknowledgement to the control system of the received command. These jacks shall be accessible both on the front and back of the device.

The serial control output jacks shall employ the use of a standardized device control protocol that is commonly accepted and understood by control systems manufacturers. This control jack shall send unidirectional serial commands that provide limited control over the controlled source device. The controllable source devices shall include those with a compatible control input from the supplying manufacturer.

The following device functions shall be available for control using this method.

Play

Stop

Pause