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Open box APX 120: solid red LED as soon as plugged in, no blinking orange/green LED. Restart does nothing.

I purchased an APX 120 used. The access point presents a solid red LED as soon as it's plugged in. Doing a quick, or even a full reset by holding the button down in the back does not reboot the device. It stays a solid red color.

I suspect it may be bricked, but the manual says the solid red color could indicate the APX cannot find the wireless controller, or if the reset button is pressed... it is initiating a configuration reset. I allowed the device to sit for several minutes.

In the UTM 9.7, It showed no wireless protection log or a pending access point.

I am using the power adapter of my AP15 to power the APX120 which appears to be the same 12V 1 amp power supply, as the access point lists on the back as the requirement.

Does the unit have issues with a power supply and should I use a POE injector instead? The manual says the APX can be powered with an APX120 power supply which is also 12V, 1 amp, 12 watts.

The Sophos flash tool does not even support this access point, so short of using one of those USB/Eth cables, could there be something I'm overlooking or doing wrong? 

The power adapter I am using powers the AP 15 with no issue, so either the APX needs different power or a POE injector. Here is the AP 15 power supply.



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  • If it hasn't bricked, I would try a PoE injector or PoE switch method instead.  I've only known to use that route for these APs. 

    OPNSense 64-bit | Intel Xeon 4-core v3 1225 3.20Ghz
    16GB Memory | 500GB SSD HDD | ATT Fiber 1GB
    (Former Sophos UTM Veteran, Former XG Rookie)