Polycom HDX Series Administrator's Guide

Administrator’s Guide for Polycom HDX Systems
12 - 16
You can hear yourself on
your system’s monitor or
external audio system.
The far site microphone is
too close to the system’s
audio speaker. (Far-site
systems with separate
microphones only)
At the far site, make sure the microphone is placed
away from the system’s audio speaker.
The far site audio volume
may be too loud.
Turn down the audio volume at the far site.
The monitor or external
audio system is connected
to the VCR audio output.
Verify that all equipment is connected correctly
according to the manufacturer’s instructions and the
setup sheet you received with the system.
There is audio feedback
when a VCR is connected.
A single VCR is connected
so that it can play or record,
no tape is present, and
VCR - Far and Near Audio
or VCR Audio Out Always
On is selected.
Place a tape in the VCR.
When music is played
during the call, it sounds
distorted at the other sites.
The music source is not
connected to the system.
The system’s echo
cancellation and noise
suppression features may
interfere with music that the
microphone picks up.
Connect the music source to the system’s audio
input.
Symptom Problem Corrective action

Polycom HDX Series Specifications

General

Network Protocols	H.323, SIP
Video Resolution	1080p (depending on model)
Audio Technology	Polycom StereoSurround
Content Sharing	People+Content
Microphone	Integrated or external
Video Standards	H.264, H.263
Audio Standards	G.711, G.722, G.722.1, G.728
Data Standards	H.239
Network Interface	10/100/1000 Ethernet
Video Inputs	HDMI, DVI-I
Video Outputs	HDMI, DVI-I
Audio Inputs	HDMI, RCA
Audio Outputs	RCA
Power Consumption	Varies by model
Operating Temperature	0°C to 40°C (32°F to 104°F)
Humidity	10% to 90% non-condensing