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Type: Posts; User: bluelaser

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    This is probably worth a glance:...

    This is probably worth a glance:
    https://en.wikipedia.org/wiki/Power_over_Ethernet#Standard_implementation

    You can buy prebuilt modules which extract the power from the wire. They are PD...
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    I am not sure on this. I would guess not, you...

    I am not sure on this. I would guess not, you would probably have wanted to do this in the MII/RMII. Maybe the PHY supports this you can look inside the datasheet:...
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    No, you need the magnetics inside the MagJack....

    No, you need the magnetics inside the MagJack. However if the magnetics were on the board maybe.
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    This is not correct according to datasheet or...

    This is not correct according to datasheet or evaluation board produced by PHY vendor. You have the center taps tied together. Each needs at least a 0.1uF cap to ground. The PHY does not drive it. In...
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    This will work for retrofitting POE into the...

    This will work for retrofitting POE into the existing device. However it is not IEEE POE. Many times this is done to cut cost. High voltage switch regulators are a little more pricy and can have...
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    There are two versions of the module for the...

    There are two versions of the module for the Teensy 4.1 Ethernet, and I am not sure if either one is valid. For POE both will not work. The PHY is DP83825 by TI for the Teensy 4.1. This PHY has a few...
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