摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a bridge device with a function to save power. <P>SOLUTION: The bridge device 100 with the function to save the power includes a first and a second interface IF<SB>1</SB>, IF<SB>2</SB>, a first and a second physical layer processing device 120, 130, and a controller 110. The first interface is coupled to a first external device. The first physical layer processing device is coupled to the first external device through the fist interface. The first external device returns a device response signal in response to a device request signal. The second interface is coupled to a second external device corresponding to the second interface. The controller is coupled between the first physical layer processing device 120 and the second physical layer processing device 130, receives a device response signal, and sends the device request signal having a first predetermined frequency. The controller turns off the second physical layer processing device if the device response signal is not yet received by the controller. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |