Polycom 6000 - Manual (Page 43)

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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 QDX 6000 Systems
The following table shows the acceptable input levels and video associations
for the audio inputs on a Polycom QDX 6000 system.
Connecting Devices to the Polycom QDX 6000 Microphone Input
To pick up audio from your site, you must connect a microphone to the
Polycom QDX 6000 system. Refer to your system’s setup sheet for connection
details.
The microphone picks up sound from the sides. You can connect two Polycom
microphones to a Polycom QDX 6000 system.
Audio Input Number Connector Acceptable Input Source Levels Video Association
Mic 1 RJ-9 Polycom microphone None
Mic 2 RJ-9 Polycom microphone None
Line In (Main Audio) RCA Line Level None
VCR IN (VCR/DVD
Player) RCA Mono/Stereo Line Level Can be associated to any video
source, or without association to
a video source. For more
information about this setting,
refer to
Auxiliary Audio Input
Association on page 4-5 .