The KSZ8863RLL is an integrated 3-port 10/100 Managed Switch with PHYs. Designed to enable a new generation of low port count and power efficient 10/100Mbps switch systems. low power consumption, advanced power management and sophisticated QoS features. The switch advanced power management schemes with software power down, per port power down and the energy detect mode that shuts downs the transceiver when a port is idle.