power supply

  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. Morpheus_FJ

    How do I add 2 30watt Siren's to a DSC Panel?

    Bell Output is 700mA on the NEO 2023 , and 2 30 Watt siren are around 350mA to 1100ma each. Do I need to add an Extra Power Supply?
  3. MikeFromCanmore

    Reolink Hardware

    I just tore down a Reolink RLC-510WA WiFi CAM since one of the 5 buck switching power supplies on the main PCBA was in need of repair. Yes there are FIVE 5! SMPS on the main PCBA of RLC510WA and two LINEAR regulators. But I digress. Can anyone help me identify the SMPS controller chip in the...
  4. 7tech

    DAHUA PoE camera does not power with Poe switch but powers with 12v adapter

    M’y DAHUA up cameras doesn’t power on when connected to PoE switch but it powers on when I connect a 12v adapter. What could be the problem with the PoE line and how to solve it?
    • 7tech
    • Thread
    • dahua ipcameras poe camera power supply
    • Replies: 44
    • Forum: IP Cameras
  5. B

    Can someone ID this camera for me?

    Hello, I recently bought a house that has security cams on the exterior but the power supply is missing. I have a DVR box that says the brand "Anran" but the cameras do not have any markings that i can see that identify the brand. I need to find out so I can figure out what power supply is...
    • Bluelight
    • Thread
    • anran brand camera power supply unknown cam
    • Replies: 23
    • Forum: IP Cameras
  6. B

    Making my own PoE switch

    I have purchased 6 piece HAC-HFW2221R-Z-IRE6, and will use Cat5 wire to connect. Therefore I have purchased the following video balun. Cameras came without power supply, which I think is standard. I know they are are 12v but I can't find anywhere how many Amp the power supply should be...
    • Basjke
    • Thread
    • diy poe power supply
    • Replies: 12
    • Forum: Dahua
  7. RyanODan

    All New POE and POE+ Injectors

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