Polycom CX7000 User Manual

Page of 24
User’s Guide for the Polycom CX7000 System 
8–16
Polycom, Inc.
Solving Audio and Video Problems
Roundtrip Time (ms)
Total time for sending the data package and receiving a 
response.
Packets Sent
Number of packets sent by this system.
Packets Received
Number of packets received by this system.
Total Packets Lost
The sum of packets lost by this system. Packet loss 
indicates congestion or other problems on the network.
% Packets Lost
Total packet loss as a percentage of the total number of 
packets transmitted by your system and those 
transmitted by the far end. 
Statistic
Description
Symptom
Corrective Action
General
The system won’t power on.
Ensure that your power cable is connected 
securely to a working power outlet.
Video
My camera is not listed in the 
device selection list.
Ensure that your camera cable is connected 
securely. 
Restart the Polycom CX7000 system.
Others don't see my video.
Ensure that your camera cable is connected 
securely.
Restart the Polycom CX7000 system.
Audio
Others don't hear my audio.
Ensure that your audio is not muted. If your audio 
is muted, you see 
 on the Lync toolbar. 
Ensure that your microphone cable is connected 
securely.
Far-site participants hear an 
echo.
Reduce the volume on your system.
Place the microphone and speakers as far apart 
as possible.