Use Cases - Lightware UBEX-MMU-X200 User Manual

 
     
11. Troubleshooting 11. Troubleshooting
11.1. Use Cases
At first, check front panel LEDs and take the necessary steps according to their states. For more information
about status, LEDs refer to the Front and Rear View - F-series Endpoint Devices
- R-series Endpoint Devices sections for the endpoint devices and to the
MMU-X200 section for the MMU.
Symptom Root cause
No picture on the Device or devices are not
video output powered properly
Cable connection
problem
Optical cable became
contaminated
Incorrect settings are
applied in the network
switch
Singlemode-multimode
SFP / SFP+ module pairs
SFP module is installed
instead of SFP+ module
Incorrect optical cabling
of the SFP+ modules
or Neutrik opticalCON
connectors
Incompatible SFP+
modules are in the
endpoint and the
network switch
Not the proper video
stream is the active one
Video stream is disabled Enable the source stream.
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
or Front and Rear View
Front and Rear View - UBEX-
Action Refer to
Video signal
Check the endpoints, the MMU, the
network switch, and the other devices if
they are properly powered; try to unplug
and reconnect them.
Cables must fit very well, check all the
connectors (HDMI and optical/DAC
cables).
Use special fiber optical cable cleaning
equipment to clean it carefully.
Check the configuration settings of the
network switch. See more typical switch
related issues on the next page.
Check the installed SFP / SFP+ modules
and install multimode or singlemode
modules by pairs only.
Install SFP+ transceiver module to the
SFP+ port
Check the cabling of the modules or
connectors
Check the compatibility of the installed
SFP+ modules: singlemode / multimode
pairs, parameters of the modules
Check the crosspoint state which video
stream switched to the current output.
LW3
LW3
Symptom
No picture on the
video output
5.4
5.4
5.6
5.10
Not the desired
picture displayed
on the video
5.6
output
5.6
Colors of the video
5.7
is incorrect
5.6
Source locked
mode cannot be
set
8.4
9.8.3
8.8.1
9.9.8
Root cause Action
Video signal
Output port is disabled Enable the destination stream.
Display is not able to Check the emulated EDID; select another
receive the video format (e.g. emulate the EDID of the display on
the input port).
Display is not able to Scale the stream on HDMI in 1 port of
display the video format the transmitter to the resolution and
refresh rate of the sink device.
Display is not able to Scale the stream on the HDMI out 1
display the video format port of the receiver to the resolution and
refresh rate of the sink device.
HDCP is disabled (TX) Enable HDCP on the TX input ports.
HDCP is disabled (RX) Enable HDCP on the RX output ports.
Video output is set to Check No sync screen settings in the
test pattern (no sync HDMI output properties (RX).
screen) statically (RX)
Video stream is Check the crosspoint state.
switched to another
output
Incorrect color space Check the color space settings on the
setting is active (TX) TX side.
Incorrect color space Check the color space settings on the
setting is active (RX) RX side.
The resolution of the Set the scaler to passthrough mode or
source stream and the set the forced resolution to the same as
sink device are not the the source stream's one.
same
209 209
Refer to
8.9.1
LW3
9.10.7
8.13.1
LW3 9.15
8.8.1
LW3 9.9.11
8.9.2
LW3 9.10.10
8.8.2
LW3 9.9.16
8.9.2
LW3 9.10.22
8.12.2
LW3 9.10.17
8.4
LW3 9.8.3
8.8.1
LW3 9.9.13
8.9.2
LW3 9.10.13
8.8
8.9
LW3 9.9.11
LW3 9.10.10