Lightware UBEX-MMU-X200 User Manual page 210

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11. Troubleshooting 11. Troubleshooting
Symptom Root cause
No audio is Source audio volume is
present on output low or muted
The incoming audio
signal is unsupported
The analog audio output
port is muted
Volume of the analog
audio port is set low
HDMI output DVI EDID is emulated
signal contains no
audio
Not the desired Audio stream is
audio can be heard switched to another
on the output output
Network switch related issues *
No picture on the Link aggregation is not
video output set in the switch.
The picture is VLAN tagging is not set.
always dropped
Bandwidth All streams are
problem on the transmitted to all
network with outputs because
a single 4K60 IGMPv2 snooping in not
stream enabled.
All streams are One of the 10G link
transmitted except cables is connected to
the 4K60 one another LAG.
Only one SFP+ module
/ DAC cable is installed
in the endpoint device
instead of two.
Applied F-series endpoint firmware package: v1.5.4 | Applied R-series endpoint firmware package: v1.5.4 | Applied MMU firmware package: v1.3.3 | LDC software: v2.4.2b4
series – Matrix Application Mode – User's Manual series – Matrix Application Mode – User's Manual
Action Refer to
Audio signal
Check the audio settings of the source.
Query the status of the audio output port
LW3
and select a supported signal source
Check the analog audio output port
properties
LW3
Check the analog audio input/output
port properties
LW3
LW3
Check the EDID and select and HDMI
EDID to emulate (the setting is available
LW3
in the transmitter side).
Check the audio crosspoint settings.
LW3
Create Link Aggregation Groups
(LAG's)/EtherChannels etc. for each
port pair that is used.
Set the 286 VLAN ID and add all LAGs to
this VLAN.
Enable IGMPv2 snooping.
Check the LLDP and the status of the
LAGs.
Install two 10GbE SFP+ modules / DAC
cables between the endpoint and the
network switch
Symptom
Black stripes in
the picture
9.16.13
8.10.3
9.14.5
* For more details about the configuration steps of the network switch with real-life examples please visit
8.10.2
our website and download the application notes for UBEX:
8.10.3
https://lightware.com/media/lightware/filedownloader/file/Support-Guide/Installation_and_Network_
9.14.1
Setup_Guide_for_UBEX.pdf
9.14.2
8.13.1
No LAN
9.15
connection can be
established
8.4
9.12.1
5.10.1
No LAN
connection can be
established
5.10.2
Connected serial
device does not
5.10.3
respond
5.10.4
5.6
Root cause Action
IGMPv2 snooping in not Enable IGMPv2 snooping.
enabled.
Optical cable became Use special fiber optical cable cleaning
contaminated. equipment to clean it carefully.
Cable connection Cables must fit very well, check all the
problem. connectors (video and optical/DAC
cables).
Network
Incorrect IP address is Use dynamic IP address by enabling
set (fix IP) DHCP option.
Restore the factory default settings
(with fix IP).
IP address conflict Check the IP address of the other
devices, too.
RS-232 signal - Endpoints
Cable connection Check the connectors to fit well; check
problem the wiring of the plugs.
RS-232 settings are Check the port settings of the endpoint
different and the connected serial device.
Messaging via serial Check the serial messaging rules and/
port is not working or apply escaping in the message.
210 210
Refer to
5.10.3
5.4
5.6
3.2.1
8.16.2
LW3 9.18.2
3.2.4
8.16.4
LW3 9.5.11
5.4.4
14.11.1
8.14.2
LW3 9.21
8.14.2
LW3 9.23