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Incorrect video input synchronization, check if the grounding electrical level is equal, especially the grounding electrical level of the power of optical transceiver and input & output device; check the connection of video lines and if the input signal complies with standard.
Check if the power adapter works normally, if modules completed, insert the right slots.
Receiver not receiving the right optical signal; check if the link loss rate is normal. The rolling diameter is too short(less than 20CM); impurities on ceramic interface (gently clean it with alcoholic cotton)..
Optical transceiver not receiving video signal, need to check the video input.
Bit error in transmission; check if the link loss is too much，The rolling diameter shall not be too short (not less than 20CM), unstable transmission because of operating the temperature of environment is too high.
Check is data protocol is right (if using 232 transmitting 485, etc.), if the transmitting direction is right (forward、backward or bidirectional), if connecting right (data is positive or negative, transmitting or receiving), if the data input is right.
Yes.
1.When the wireless security has been configured to radius client, the LAN port of the front panel will be disabled to ensure the secured network access.
2.After resetting to default, please re-plug the Ethernet cable into the PoE port to re-initialize the LAN interface.
