| 摘要 |
A system (100) for providing power to a device includes a first power supply unit (104) having a first power module (108) that provides A.C. power and is selectively connectable to input lines and a first communication module (110). The system also includes a second power supply unit (106) having a second power module (112) selectively connectable to the input lines and that provides A.C. power and a second communication module (114) coupled to the first communication module. Only one of the first or second power supply units is coupled to the input lines at a given time. |
