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Hardware Version : Not Clear

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ISP :

Hello to all the team
I'm new to this forum
I have the power injector My TP-LINK TL WA5210G that no longer works. I am currently looking another power injector.
I would also like to know if there's another way to run my equipment.
Also please tell me if it is possible to troubleshoot the injector that is down.
Thank you for giving me a bit of your time.
Best regards.