![Lightware UBEX Series Скачать руководство пользователя страница 173](http://html.mh-extra.com/html/lightware/ubex-series/ubex-series_user-manual_1915390173.webp)
11. Troubleshooting
UBEX series – Matrix Application Mode – User's Manual
173
11. Troubleshooting
UBEX series – Matrix Application Mode – User's Manual
173
MA
TRIX APPLIC
A
TION MODE
Applied F-series endpoint firmware package: v1.4.1 | Applied R-series endpoint firmware package: v1.4.1 | Applied MMU firmware package: v1.2.1 | LDC software: v1.34.0b2
Symptom
Root cause
Action
Refer to
Video signal
No picture on the
video output
Display is not able to
display the video format
Scale the stream on HDMI in 1 port of
the transmitter to the resolution and
refresh rate of the sink device.
LW3
Display is not able to
display the video format
Scale the stream on the HDMI out 1
port of the receiver to the resolution and
refresh rate of the sink device.
LW3
HDCP is disabled (TX)
Enable HDCP on the TX input ports.
LW3
HDCP is disabled (RX)
Enable HDCP on the RX output ports.
LW3
Not the desired
picture displayed
on the video
output
Video output is set to
test pattern (no sync
screen) statically (RX)
Check No sync screen settings in the
HDMI output properties (RX).
LW3
Video stream is
switched to another
output
Check the crosspoint state.
LW3
Colors of the video
is incorrect
Incorrect color space
setting is active (TX)
Check the color space settings on the
TX side.
LW3
Incorrect color space
setting is active (RX)
Check the color space settings on the
RX side.
LW3
Audio signal
No audio is
present on output
Source audio volume is
low or muted
Check the audio settings of the source.
The incoming audio
signal is unsupported
Query the status of the audio output port
and select a supported signal source
LW3
The analog audio output
port is muted
Check the analog audio output port
properties
LW3
Volume of the analog
audio port is set low
Check the analog audio input/output
port properties
LW3
LW3
Symptom
Root cause
Action
Refer to
Audio signal
HDMI output
signal contains no
audio
DVI EDID is emulated
Check the EDID and select and HDMI
EDID to emulate (the setting is available
in the transmitter side).
LW3
Not the desired
audio can be heard
on the output
Audio stream is
switched to another
output
Check the audio crosspoint settings.
LW3
Network switch related issues *
No picture on the
video output
Link aggregation is not
set in the switch.
Create Link Aggregation Groups
(LAG’s)/EtherChannels etc. for each
port pair that is used.
The picture is
always dropped
VLAN tagging is not set.
Set the 286 VLAN ID and add all LAGs to
this VLAN.
Bandwidth
problem on the
network with
a single 4K60
stream
All streams are
transmitted to all
outputs because
IGMPv2 snooping in not
enabled.
Enable IGMPv2 snooping.
All streams are
transmitted except
the 4K60 one
One of the 10G link
cables is connected to
another LAG.
Check the LLDP and the status of the
LAGs.
Only one SFP+ module
/ DAC cable is installed
in the endpoint device
instead of two.
Install two 10GbE SFP+ modules / DAC
cables between the endpoint and the
network switch
Black stripes in
the picture
IGMPv2 snooping in not
enabled.
Enable IGMPv2 snooping.
Optical cable became
contaminated.
Use special fiber optical cable cleaning
equipment to clean it carefully.
Cable connection
problem.
Cables must fit very well, check all the
connectors (video and optical/DAC
cables).
*
For more details about the configuration steps of the network switch with real-life examples please visit
our website and download the application notes for UBEX:
https://lightware.com/media/lightware/filedownloader/file/Support-Guide/Installation_and_Network_