I noticed a mass death of MANY AIR-AP1131AG-E-K9 AIR-LAP1131AG-E-K9 Cisco access point after serving online for a long period (5 or 6 years). They simply do not power up anymore using legacy PoE adapter AIR-PWRINJ3 or legacy power supply (46 volts). Some of them still powers up using AIR-PWRINJ4 (56 volts). It seems that the problem is due to a failure of an electrolitic condenser of the onboard switching power supply. |
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