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  1. R

    Firmware for DS-2CD2120F

    I cannot find firmware for DS-2CD2120F. I need a firmware newer than V5.4.5 build 170123 so I can update it. Or how can I downgrade it ? I tried to upgrade it to 5.4.5 build 170519, but it says The type of upgrade file mismatches.
  2. R

    Can't connect IP-Cam to Trassir

    Hi guys, I have a DS-2CD2120F-IS, it works okay. But I tried to connect it to the system called Trassir where all cameras are stored and I get: Connection lost invalid argument specified I can't understand why. I type correct IP, correct Port, correct username and password. I tried to reset it...
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