Polycom 1 - Manual (Page 154)

Administrator’s Guide for Polycom HDX Systems
A - 2
Polycom HDX 9004 Audio Inputs and Outputs
Polycom HDX 9004 Network/Power Inputs and Outputs
Polycom
Microphone Input
Audio Input 1:
Phoenix for
microphone or
line input
Audio Output 1: Phoenix for
main monitor audio or
external speaker system
Audio Input 3:
Phoenix for
VCR/DVD player
audio
Audio Output 3: Phoenix for
VCR/DVD player audio
Audio Input 4:
Phoenix for content
audio
Power connector:
For power supply
LAN port: For IP or SIP calls,
People+Content IP, and Web RS-232 serial ports:
For RS-232 devices
Analog phone port:
For analog phone calls
IR: Phoenix for IR receiver