Huawei TE40 Administrator's Manual page 140

HUAWEI TE40&TE50&TE60 Videoconferencing
Endpoint
Administrator Guide
Table 12-6 Methods for troubleshooting video problems
Problem
While the endpoint
is powered on and
not in a conference,
the display device
does not display the
remote controlled
UI or the video of
your site.
While the endpoint
is powered on and
not in use during a
conference, the
display device
displays the video
of your site but
cannot display the
remote controlled
UI.
While the endpoint
is in use during a
conference, the
display device
displays the video
of your site but
cannot display the
video of any remote
site.
The video of your
site is in black and
white or flickers in
Issue 01 (2013-09-30)
Possible Cause
The display device is powered
off.
The video channel of the
display device is incorrect.
The video settings of the
endpoint or display device are
incorrect. For example, the
brightness is set to 0.
The video cable connection is
not secure.
No display device is
connected to the output port
for the remote controlled UI or
the connected display device
is faulty.
The output port for the remote
controlled UI is not set or the
output port you set for the
remote control UI is not the
port connected to the display
device.
The endpoint does not respond
to remote control operations.
A local or remote loopback
test is being performed.
Check the call statistics. If the
value of Video
bandwidth[frame rate] is 0,
no video is sent from remote
sites.
If the remote video is
displayed as a blue screen, the
remote site is blocking its
video by sending a blue
screen.
The video output port is set to
display the video of your site.
The mode adopted by the
video output port is set
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12 Troubleshooting
Solution
Power on the display device.
Use the remote control to select
the correct video channel.
Retain the default values for the
video parameters on the endpoint
and display device.
Secure the video cable between
the endpoint and display device.
Connect a display device to the
output port for the remote
controlled UI and verify the video
settings on the display device.
Choose Advanced > Settings >
Video > Common Settings >
Video Output. Set GUI to the
output port connected to the
display device.
Telnet to the endpoint. If you fail
to operate the endpoint, it is
malfunctioning. In this case,
restart the endpoint. If the problem
persists, contact the local
distributor for maintenance.
Stop all local and remote loopback
tests.
Contact the remote site
administrator to resolve this
problem.
Contact the remote site
administrator to resolve this
problem.
Set the video output port to
display the video of a remote site.
 Ensure that the mode adopted
by the video output port and
the cable in use match each
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