gkmcomputech

Hello Friends I am since 1 years cctv system installing in germany We are using Cat5e cable for all our installation... but some installations are unsuccesful because our cabel and electric cable sometimes in the same plastic channel or camera distance about 60-70meters then we got sometimes bad video quality. some seller told me to use long distances cameras the RG-59 75 Ohm Cable...I will try it tomorrow with a NEW Dahua 1080P 8 Channel HDCVI DVR and 2MP Dome varifocal cam.. if its not fix this issue what can i do for fix it?

Hello All I am the new in this Forum. Since 6 months installing security cameras in Germany and I am using Cat5e cables + Balun connector orange+Orange white = POWER + Blue+Blue white = POWER - Brown+Brown white = Video + Green+Green white = Video - if cable longer than 40 meters, Image is not good and there are sometimes shadow if its so I do bridge cable between - connection ( blue - Green ) and image quality ok is there any standard scheme for connection or do I need to use another connectors http://www.google.de/imgres?sa=X&biw=1366&bih=666&tbm=isch&tbnid=1Sa90hPYiETyaM%3A&imgrefurl=http%3A%2F%2Fwww.trendcnet.com%2Findex.php%3Frt%3Dproduct%2Fproduct%26product_id%3D116&docid=VzxUkrwxcYrPFM&imgurl=http%3A%2F%2Fwww.trendcnet.com%2Fresources%2Fimage%2F18%2F7a%2F1.jpg&w=1600&h=1200&ei=s08BU96eNqHnygOZooGIDA&zoom=1&iact=rc&dur=2793&page=1&start=0&ndsp=19&ved=0CF0QrQMwAg