Firstly, this is not a router issue as I have eliminated that possiblity. I have 5 of these cams and this is the only one which makes a faint click, will not come online (red X). I have swapped power supplies with a different 5020 cam, plugged the cam into a different LAN port, and even tried a reset with the same result of a faint click. It is not the kind of click you will hear with an IR cut filter changing from day to night vision.
Should I consider the power board to be defective and dump it? All of my other 5020's, 5009's and 5030's do not make the faint click noise. I have had the cam for several years and it has operated well until now.
Thanks in advance. I am looking for valued added advice not asking me to post useless info. Yes, I have the latest firmware installed.