i have a WS-C2960-24TC-L with IOS c2960-lanbasek9-mz.150-2.SE4 or IOS c2960-lanbasek9-mz.122-55.SE7when switch running on dual power RPS+internal#sh env allFAN is OKSYSTEM TEMPERATURE is OKPOWER is OKRPS is AVAILABLEwhen i unplug the RPS cord#sh env ...