| 摘要 |
A power supply having multiple sets of output power includes a primary power system to transform AC power to DC power when a computer host is power on and a standby power system linking and transforming the AC power to the DC power when the computer host is shut down. The power supply has a power output port located outside. The power output port has a primary power terminal dock linking to the primary power system and a standby power terminal dock linking to the standby power system. A transmission line is provided that has one end electrically connected to the power output port and other end forming at least a first coupling end and a second coupling end to output respectively primary power and standby power to a linking and corresponding computer equipment and an external electronic device. Thus the power supply can provide electric power to the computer equipment and external electronic device through the transmission line when the computer host is power on, and continuously provide the electric power to the external electronic device when the machine is shut down. It solves the problem of the conventional power supply that can provide power only when the machine is power on.
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