Evening all, I had a strange problem with a CCTV system. I installed a Swann 8 ch DVR kit (its a good kit , not to many extras but does the job) that the customer bought and i advised fitting a Nite Devil camera over the garage at the rear service road. The system is up & running but i could only get a white screen on the monitor with the Nite devil, which normally is exposure. However i could bring up the on screen menu via the buttons on the camera pcb showing all connections are ok
I tried a different camera, Ok. Iunpluggedd all other cameras from the Dvr (including the on board psu) Still white screen. I took the camera home and it worked on my system. Today i took it back to the job with a spare psu i had and it worked.
I called the helpline number (i did not know System Q are the UK importers of Nite devil & the helpline goes through to them) Discussed this with the tech guy but i think i knew more than him, he only seemed to know amd want to talk about there products and did not know Swann stuff. It seems the Nite devil is 12/24 volt & can handle reversed polarity, the PSU in the DVR ( i am guessing switch mode) although adequately rated could not work out what the Nite Devil needed so it did not operate correctly.
Last thing tonight i had the Nite Devil connected to the 30M run of cable and my PSU and i have got the white screen again. It cant be volt drop ? I am using a 2000ma psu & the cam is rated at 250ma. When i go back i can cut into the cable and fit the psu about 8m from the cam. Any comments anyone !
I tried a different camera, Ok. Iunpluggedd all other cameras from the Dvr (including the on board psu) Still white screen. I took the camera home and it worked on my system. Today i took it back to the job with a spare psu i had and it worked.
I called the helpline number (i did not know System Q are the UK importers of Nite devil & the helpline goes through to them) Discussed this with the tech guy but i think i knew more than him, he only seemed to know amd want to talk about there products and did not know Swann stuff. It seems the Nite devil is 12/24 volt & can handle reversed polarity, the PSU in the DVR ( i am guessing switch mode) although adequately rated could not work out what the Nite Devil needed so it did not operate correctly.
Last thing tonight i had the Nite Devil connected to the 30M run of cable and my PSU and i have got the white screen again. It cant be volt drop ? I am using a 2000ma psu & the cam is rated at 250ma. When i go back i can cut into the cable and fit the psu about 8m from the cam. Any comments anyone !