David Chan

thank you so much for that, yes I am trying to improve my knowledge and there is so much to take on board. When I got my analogue system I didn't have a clue so done want to make the same mistakes again. Also I will be getting my roof done (huge project + expense!!!) so will be able to lay conduits down for CCTV final installation, but for now I need something working that is decent. A lot of the local installers insist on Hikvision , something that I have realised to stay away from.

My budget would be appox 1k, do you have any suggestions? Thanks

I have an analogue system with 8 cameras that uses coaxial cable. The system is failing because where the 12 V line meets the camera connector despite it being a push fit, there is corrosion around the connector. The connectors are housed in junction boxes which I have inspected and seem to be full of old spider nests. (Do spiders chew wires?) I have now realised that given the UK is damp, I will need to encase the connection area in silicone to prevent this from happening. I need a system that has got high resolution, (4K, is this the same thing as 8 MP?) Some cameras will need to cover a wide area and be able to be seen from 40m away, and some will need to be by the front and back door. I am confused about which system to go for. In my local area NW London, they seem to promote HikVision , and I read about security issues and the Chinese Communist Party, but these days everything seems to be made there, so there is always that risk. Are there any dealers / suppliers that are in that area where I can pop down? Or are there any recommendations? Also on the setup side of things I have 4 switches on my network, and where the external cat 5 cable runs into a switch depending on location. Each switch then has a separate connection to the router. I am guessing that with the cam. setup, it may be better to give the cameras a static IP address and start the DHCP pool further up? I can then input the static IP address of the cam into the DVR so it works correctly, or am I missing something. I will be getting my roof done at some stage, so when that is being done I will defo sort out the camera wiring situation properly and have redundancy built it, but this will not be for another couple of years. really appreciate your help. Many thanks.

I have an analogue system with 8 cameras that uses coaxial cable. The system is failing because where the 12 V line meets the camera connector despite it being a push fit, there is corrosion around the connector. The connectors are housed in junction boxes which I have inspected and seem to be full of old spider nests. (Do spiders chew wires?) I have now realised that given the UK is damp, I will need to encase the connection area in silicone to prevent this from happening. I need a system that has got high resolution, (4K, is this the same thing as 8 MP?) Some cameras will need to cover a wide area and be able to be seen from 40m away, and some will need to be by the front and back door. I am confused about which system to go for. In my local area NW London, they seem to promote HikVision , and I read about security issues and the Chinese Communist Party, but these days everything seems to be made there, so there is always that risk. Are there any dealers / suppliers that are in that area where I can pop down? Or are there any recommendations? Also on the setup side of things I have 4 switches on my network, and where the external cat 5 cable runs into a switch depending on location. Each switch then has a separate connection to the router. I am guessing that with the cam. setup, it may be better to give the cameras a static IP address and start the DHCP pool further up? I can then input the static IP address of the cam into the DVR so it works correctly, or am I missing something. I will be getting my roof done at some stage, so when that is being done I will defo sort out the camera wiring situation properly and have redundancy built it, but this will not be for another couple of years. really appreciate your help. Many thanks.

Based in North London. thanks

thanks for that. The PC consumes more power anyway, so it will be good to get rid of it. Will get the DVR first. Do you have any recommendations for 5 in 1 HD 4k DVR and the cameras? Also I have just noticed that we have a multitude of sky wires all over the place under the roof parapet. We no longer use sky, and sky will eventually abolish the dish as it uses broadband. As I can access these areas from the loft and drill a small hole for the power cable, could I use the sky wire for the signal. I understand sky use RG6 coax and most CCTV is RG59, so this would give more shielding. I would just need to use the correct adapters on both ends or crimps. Thanks

I have a Geovision GV 1248 which is a PC based system . I am not too sure what cameras I have but they were installed back in 2010. I hear you can get 4k Video over the coax cables, and for convenience, I would rather not rewire the system with CAT5 just yet. The Cable that I have is Siamese with 12V DC and RG59 with BNC type connectors. I have a few questions 1) Can someone recommend some cameras or point me in the right direction? I am looking for 4K or better. I have seen some https://connectec.uk/security/cctv/cctv-cameras/hilook-analogue-cctv-cameras/hilook-thc-t180-m-8mp-4k-tvi-mini-turret-2-8mm?gclid=CjwKCAjwrZOXBhACEiwA0EoRD9ITZj01vid7ExxYL8hk4cZD6o_cfMdGC-XWFoFFMdULyZV86sNtGxoCk3QQAvD_BwE Are they any good? 2) Will the Geovsion card work with these cameras, or are they defunct? 3) My PSU is 240V to 12V DC and has 24 power rail outputs, I assume that I can still use this for the 12v DC power? Many thanks

Yes I am using a PC with the Geovision card. do you have any recommendations for any cameras?

My ageing CCTV which is Geovision 7 camera analogue system installed in 2010 needs an upgrade. The cable that I have in RG59 siamese with 12 volt. I have come to learn about DOCSIS and was wondering if the same could be applied for CCTV but locally? so it would use the RG59 to transmit digital signals and use the 12 V for the power. The wired setup was not easy and I would rather keep the same cables if at all possible. I want something that has UHD or 4k quality, can that be done. Also what is the best way to guard against spiders / insects? Many thanks