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  1. M

    How to use Hikvision Audio and Alarm IO connections

    Great news. Well done. Mike
  2. M

    How to use Hikvision Audio and Alarm IO connections

    When you say red wire into Out, make sure you use Terminal A (audio out) on the green connector block. I think that was what you meant but I was not 100% certain. With the ground what you proposed would work. However I don’t think the wire hole in the connector block is big enough to take...
  3. M

    How to use Hikvision Audio and Alarm IO connections

    The amplifier you found seems worth a shot. As an FYI you don't normally need to use shielded cable for the connections from the amplifier to the speaker. Just between the camera and the amplifier. That said it wont cause a problem. Also when wiring the shielded cable , the shield (the outer...
  4. M

    How to use Hikvision Audio and Alarm IO connections

    Hello BHC, Sorry but I never used the audio out capability. However thinking back forty five years to when I used to play with audio amplifiers these are the possibilities that come to mind for the buzzing issue : your power supply may be the cause. Try a different one. you are using a...
  5. M

    How to use Hikvision Audio and Alarm IO connections

    I'd suggest going back to basics to eliminate any configurations issues. For testing purposes I'd suggest the following steps : 1) you can make sure the camera is responding to alarm inputs correctly by just putting a wire in to the I input and another into the GND input and then short them...
  6. M

    How to use Hikvision Audio and Alarm IO connections

    With some of the Hikvision camera range there is an S option which gives Audio and Alarm I/O capabilities. Frustratingly I have been unable to find detailed information online or in the manuals on how these work so I bought one and had a play. An example of such a camera is DS-2CD2532F-IS...
  7. M

    Hikvision region code changer

    A Positive experience I had the same positive experience and can echo these words. The good news is that even a Windows centric person like me was able to do the install without breaking into a sweat. Definitely money well spent.
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