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  1. BN_Dino

    ERS-4550T-PWR & UPS

    Hi there, I have connected my Avaya IPO and 50 port switch to a APC uninterrupted power supply (UPS) unit to keep the phone system alive during a power cut. When I kill power to the UPS unit to simulate a powercut the 50 port PoE ERS-4550T-PWR switch looses power for what must be a split...

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