In some embodiments, a network system includes an access point to wirelessly associate with a client that provides signals with traffic specification attributes to the access point. The domain manager identifies at least one asset of the set of assets to be included in the administrative domain. The first current limiting circuit is adapted to vary a current limit out of the selector terminal in response to a voltage on the selector terminal. The second lift cord has one end fastened and wound around the lift cord retracting and releasing control means and threading through the upper elongated member.