... the ability of enlarge the capacity, but also permit different power and different times of the UPS could be in parallel ... with RS232 interface, do contact relays, emergency switching device EPO input interface. 7)Low-power dissipation but high-efficiencyTo achieve more than ... modeN+1,N+X can be in parallel with different power capacitySoftware InterfaceWindows9X,2000,NT,Me,XP,Linux,Novell,Macosx,NT4 ...