METHOD AND APPARATUS FOR CURRENT SHARING ETHERNET POWER ACROSS FOUR CONDUCTOR PAIRS
摘要
Methods and apparatus for delivering power down all conductors of an Ethernet connection are disclosed. Embodiments include control circuitry coupled to both conductor of an Ethernet cable. The control circuitry is configured to sense the current flowing through power switches coupled inline with the respective conductors and control the switch in order to maintain the current flow through the power switch below a predetermined level. The circuitry prevents Ethernet ports from being shutting down due to conditions caused by imbalances in the effective resistance of Ethernet conductors and circuit paths.
申请公布号
WO2006099613(A3)
申请公布日期
2007.09.20
申请号
WO2006US10023
申请日期
2006.03.16
申请人
CISCO TECHNOLOGY, INC.;LUM, MEILISSA, RUI MING;KARAM, ROGER