Polycom, Inc. 4–1
4
Microphones and Speakers
Connecting Audio Input
Make sure that the system is powered off before you connect devices to it.
Connecting Audio Input to Polycom HDX 9000 Series Systems
The following table shows the acceptable input levels and video associations
for the audio inputs on a Polycom HDX 9000 series system.
Audio Input Number Connector Acceptable Input Source Levels Video Association
1 (Main Audio)
Polycom HDX 9004
Polycom HDX 9002
Polycom HDX 9001
Phoenix Mono/Stereo Microphone or Line
Level (phantom power is available
when set to Microphone)
Not associated with any
particular video input. Intended
as microphone input; not
included in audio mix of output 1.
1 (Main Audio)
Polycom HDX 9006 only
Phoenix Line Level Not associated with any
particular video input. Not
included in audio mix of output 1.
3 (VCR/DVD Player) Phoenix Mono/Stereo Line Level Video Input 3 (Audio is disabled
until camera 3 is selected).
4 (Content)
Polycom HDX 9006 and
Polycom HDX 9004 only
Phoenix Mono/Stereo Line Level Video Input 4 (Audio is disabled
until camera 4 is selected).
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