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Sorry for the long delay but we decided to return the NVR to the supplier and go for an alternative solution.

Hi StuartM. Yes, we thought of interposing a POE switch between the NVR and the cameras to just prove a point (if it was no POE that was the problem the cameras should work) but neither of us has the necessary switch and we weren't going to buy one just for this. We are now thinking what to do...

Thanks for all the help and advice. This NVR actually belonged to my brother and he has decided to return the NVR to his supplier. We tried all three cameras, plus a new one out-of-the-box and none will work with this NVR on a 2-metre pre-made network cable. Seems that there is an NVR fault. We...

I upgraded the firmware earlier today and at best it has made no difference, at worse the cameras seem to be dropping off line more often. I am going to replace the cables later in the week and see if that makes a difference. Thanks for the help.

Sorry for the delay, been travelling... RE:Phil. I put the cameras on short cables and it ran for OK for 4 days. Not sure this proves anything because it has run for up to 4 weeks on the installed cables before dropping the cameras. I am going to bite the bullet and install new UTP cables and...

The POE errors have returned with all the cameras offline and a "Restore" did not fix it this time :-( I'm at a loss as to the cause and the fix

I tried to save the device configuration and this time supplied a key, it said it was successful but I could find no saved file in the folder I specified, tried 4 times, no joy. On the point of giving up with this Hikvision NVR. No further POE errors since I did the "restore". The CAT5E cables...

Hi StuartM, I looked at the log and found hundreds of "PoE Power Overload" entries and the cameras getting disabled. After many hours of trying everything I could think of I eventually did a "Restore" from the maintenance menu and lo and behold everything burst back into life (except I had to...

I have a Hikvision DS-7608NI-K2/8P NVR with three Hikvision cameras attached (Hikvision IPC-D140 4mm 4MP CMOS Outdoor IP Network CCTV Dome Cameras). Intermittently the NVR will drop one or more of the cameras and a reboot and a power off/on will not always get the cameras back on line. What I...