voltage

  1. S

    New To Forum-voltage drop question

    I have cctv system with a max of 57m distance using cat6 with 12v 2000mA power supply for each cam. I am having what appears as a voltage drop on the most distant cam (57m). I am looking for the best / the correct solution. Can I simply use a different power supply at higher voltage, or use an...
  2. Ollie

    Required poe or power supply specs

    Hi, I would like to buy a single injector for a Dahua cam (5442 - IRE - not led). This is the voltage and consumption specs: Power Supply DC 12V (±30%), PoE (802.3af) (Class 0) Power Consumption <7.2W I'm not sure about the required poe injector to buy. It should be <7.2W, so 12v/1a will...
  3. F

    Camera needed voltage

    Is it okay to give cameras 13.5v constantly? When it was 12v in the night some cameras turned off and other got some abnormal lines now when i made it 13.5v they are fine in the night but will this harm the cameras? Thanks in advance for reading this.
  4. V

    DIY POE Power

    Hi i'm vahid new here and new here last week i was installing cams in a local school with hikvision 2132 3MPixel cameras.i used cat6 copper wires but i think cat5 wires could be the best choice to save bucks. because cams use 10/100 NIC and i think there is enough bandwidth with Cat5E .but i...