8. Troubleshooting HDMI20-OPTC series – User's Manual 64
Symptom Root cause Action Refer to
RS-232 signal
Connected serial
device cannot be
controlled
Cable connection
problem
Check whether your serial cable is
properly connected and check the wiring
of the plugs.
3.4
RS-232 mode is not right
Check the RS-232 mode settings (pass,
control and command injection)
4.3.1
5.7.1
6.6.1
Network
No LAN
connection can be
established
Incorrect IP address is
Use dynamic IP address by enabling
DHCP option.
4.3.1
5.9.2
6.5.8
Restore the factory default settings (with
4.3.1
5.7.1
6.3.6
Check the IP address of the other
devices, too.
5.3
Miscellaneous
No LEDs are light Dark mode is enabled Disable the dark mode
4.3.1
4.3.5
5.9.3
6.4.12
Select/function
button not toggles
the inputs/
conversion modes
Front panel buttons are
locked
Unlock the buttons.
5.9.3
6.3.7
How to Speed up the Troubleshooting Process?
Lightware’s technical support team
is always working hard to provide the
fastest support possible. Our team’s
response time is one of the best in the
industry and in the toughest of cases we
can directly consult with the hardware
or software engineer who designed the
product to get the information from the
most reliable source.
However, the troubleshooting process can be even faster… with your help.
This information is the following:
▪
▪ Serial number(s) of the device(s) (it is either printed somewhere on the box or you can query it in the
Device Controller software or on the built-in website).
▪ Firmware versions of the devices (please note that there may be multiple CPUs or controllers in the
▪ Cable lengths and types (in our experience, it’s usually the cable).
▪ Patch panels, gender changers or anything else in the signal path that can affect the transmission.
▪ Signal type (resolution, refresh rate, color space, deep color).
▪
▪ Actions to take in order to re-create the problem (if we cannot reproduce the problem, it is hard for us
▪ Photo or video about the problem (‘image noise’ can mean many different things, it’s better if we see
it too).
▪
The more of the above information you can give us the better. Please send these information to the Lightware
Support Team to speed up the troubleshooting process.
MAIN MENU
> System Settings
Ports
EDID
Health
Remote
POWER / LIVE
FIBER LINK
HDCP
INPUT 1
INPUT 2
CONTROL
SELECT
USB
HDMI20
OPTC
220-PRO
HDMI20-OPTC-TX220-Pro
HDMI 2.0 Multimode Fiber Transmitter
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