Re: Bad port on DVR weird trouble shoot

[G. Morgan <G_Morgan@xxxxxxxx>]

nick markowitz Wrote:

>On Sep 17, 5:49Â am, G. Morgan <G_Mor...@xxxxxxxx> wrote:
>> nick markowitz Wrote:
>>
>> >CCTV system i put in couple years back has been working fine and
>> >customer called to say cameras pictures rolling all over them selves.
>> >Get there and  looks like AC feeding into video find camera 3 causing
>> >problem so I isolate it and start testing and camera is not bad but
>> >here the port on DVR is bad. Â First time I have seen this usually the
>> >port  just goes dead on a DVR not doing the rollover thing. its a
>> >EV4000 Nuvico and first time I have ever had a problem with any of
>> >there stuff  in over 5 years  of installing there cameras and DVR any
>> >one else run into it?
>>
>> Nope. Â Are you sure its not a ground loop feedback?
>
>No first thing I checked it is definitely the port doing it as soon as
>any cam gets plugged into port 3 the DVR starts waking out

weird, never seen that one.  What did the factory say?