82 PARAGON II USER M ANUALMulti-Tier InstallationIn a multi-tier configuration, the order of powering ON is critical to proper function.• Last tier switches must be powered ON before the intermediate level of tier• Intermediate tier switches must be powered ON before the base Paragon II unit can be powered ON.• User Stations (UST1s) can be powered ON and OFF at any time as needed.• There is a five-second ON/OFF down time in the UST1 or Paragon II power cycle.