Troubleshooting - Lightware RAP-B511-EU-K User Manual

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9. Troubleshooting

9
T roubleshooting
Usually, if the system seems not to transport the signal as expected, the best
strategy for troubleshooting is to check signal integrity through the whole
signal chain starting from source side and moving forward to device end.
RAP-B511 series – User's Manual
At first, check front panel LEDs and take the necessary steps according to their states. For more information
about status, LEDs refer to Front View
Symptom
Cable connection
problem
Connected serial RS-232 settings are
device does not different
respond
RS-232 mode is not right
Incorrect IP address is
No LAN
set (fix IP)
connection can be
established
IP address conflict
Connected device Cable connection
does not respond problem
The direction of the
Output level
selected pin is set to
cannot be changed
input
Front panel
Buttons are set as
buttons are out of
locked in LDC
operation
and Rear View sections.
Root cause Action
RS-232 signal
Check the connectors to fit well; check the wiring of the
plugs.
Check the port settings of the RAP-B511 and the
connected serial device(s).
Check the RS-232 mode settings (control, command
injection, or disconnected)
Network
Use dynamic IP address by enabling DHCP option.
Restore the factory default settings (with fix IP).
Check the IP address of the other devices, too.
GPIO
Check the connectors to fit well; check the wiring of the
plugs.
Check and modify the direction setting of the desired pin
Miscellaneous
Unlock the buttons
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