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| toh:tp-link:tl-wa701nd [2021/03/10 19:52] – [Standard Passive POE Voltage Hack] arrel124 | toh:tp-link:tl-wa701nd [2021/03/10 22:13] – [Standard Passive POE Voltage Hack] arrel124 | ||
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| ==== Standard Passive POE Voltage Hack ==== | ==== Standard Passive POE Voltage Hack ==== | ||
| The TP-Link TL-WA701ND and other TP-Link AP devices do not support standard passive POE voltage (48V) but instead they supports an unusual 9V or 12V DC input. If you plug the AP in a standard passive POE injector at 48V this results in damaging the capacitors and ultimately shorting out the board. If this happens and you have a decent brick power supply, it limits the output current and you save the board, otherwise the board could be damaged irreversibly. | The TP-Link TL-WA701ND and other TP-Link AP devices do not support standard passive POE voltage (48V) but instead they supports an unusual 9V or 12V DC input. If you plug the AP in a standard passive POE injector at 48V this results in damaging the capacitors and ultimately shorting out the board. If this happens and you have a decent brick power supply, it limits the output current and you save the board, otherwise the board could be damaged irreversibly. | ||
| - | You can easily circumvent this limitation by replacing the electrolytic capacitors on the board with the appropriate ones rated at least 63V. Replacing them is pretty straightforward, | + | You can easily circumvent this limitation by replacing the electrolytic capacitors on the board with the appropriate ones rated at least 63V. Replacing them is pretty straightforward, |
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