Logic Ports - Polycom SoundStructure C16 Design Manual

The SoundStructure device supplies 12V so the receiver can be connected directly to the IR port on the
SoundStructure device without an external power supply.
IR Receiver Connected to SoundStructure Device with Pin Out
The wiring for the typical Xantech receiver is shown in the following figure.
Xantech Receiver Wiring

Logic Ports

Each SoundStructure device has two DB25 connectors where each DB25 connector has
● 11 logic inputs on each connector for a total of 22 logic inputs.
● 11 logic outputs on each connector for a total of 22 logic outputs
● One analog logic input on each connector for a total of two analog logic inputs
● One 5V supply on each connector for a total of two 5V supply pins
● One signal ground on each connector for a total of two signal grounds
Polycom, Inc. 247