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    Is it safe to use a 40v 20w PoE injector to power a 12v 5w camera ?

    Well, the title says it all: Is it safe to use a 40v 20w PoE injector to power a 12v 5w camera ? Something in me tells me a power source that emits 40v could break a device that wants only 12v. On the other hand, something tells me the power source could maybe adjust to deliver just what's...
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    Decoding capability vs. Recording Resolution

    Hello, I'm not sure how to understand "Decoding capability" and "Recording Resolution". For example on this DS-7616NI-E2/16P model: DS-7616NI-E2/16P-Hangzhou Hikvision Digital Technology Co. Ltd.. It has 16 channels, "Recording Resolution" of "6 MP/5 MP/4 MP/..." and "Decoding Capability" of...
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    Recording on NVR and SD card ?

    Hello, I could not conclude from reading the user guide if one could record camera images to the SD card local to the camera and at the same to an NVR, or if it had to be one or the other. Can someone shed light on this ? Thx.
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    DS-7616NI-E2/8P/A

    Hello, I see model DS-7616NI-E2/8P/A has 16 channels and 8 PoE ports: DS-7616NI-E2/16P-Hangzhou Hikvision Digital Technology Co. Ltd. How do you make use of the 16 channels when you have 8 network ports ? All others PoE models I could see have the same number of channels and PoE ports ? Thx.
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