according to one aspect , embodiments provide a ups comprising an input configured to receive input power , a backup input configured to receive backup power from a backup power source , an output configured to provide output power , a communication stack including an external system interface configured to communicate with at least one external device , a local user interface including a switch , the switch having a first position corresponding to a filtering mode and a second position corresponding to a non - filtering mode , the switch being communicatively decoupled from the communication stack , and a controller configured to receive , through the communication stack , commands from an external entity , detect a position of the switch , identify , responsive to detection of the position of the switch corresponding to the filtering mode , that the commands are disallowed commands , and responsive to identifying the disallowed commands , ignore the disallowed commands without executing the disallowed commands .