Polycom 1 - Manual (Page 117)

Control Devices
10 - 3
Connecting Control and Accessibility Equipment
The Polycom HDX 9004 provides two serial ports. You can use the RS-232
serial ports to:
• Connect a modem and use a closed captioning service
• Pass data from a device connected to your system to a device connected to
the far site system
• Control the system through a touch-panel using the API
• Provide control signals for an additional camera
• Provide control signals for a Polycom Vortex mixer
Connecting Touch-Panel Controls
You can connect an AMX or Crestron control panel to the system’s RS-232
serial port as part of a custom room installation. You will need to program the
control panel. Refer to the Integrator’s Reference Manual for Polycom HDX
Systems for information about the API commands.
Connecting IR Sensors to Polycom HDX Systems
The Polycom HDX system provides a connector for an external IR sensor.
Refer to your system’s setup sheet for connection details.
The Polycom HDX system is compatible with the following IR sensors:
• Xantech® 480-00
• Xantech 490-90
• Xantech 780-80
• Xantech 780-90
You will need to configure the RS-232 equipment according to the manufacturer’s
instructions, and you will need to configure the RS-232 serial port on the system
exactly the same way.