●Hardware based 10/100Mbps, half / full duplex , flow control and auto-negotia- tion

●IEEE 802.3x flow control for full duplex operation and Backpressure for half du- plex operation

●Integrated address look-up engine, support 1/2/8K absolute MAC addresses

●384K / 512K bits packet buffer memory (FSD-503/803)

●4Mbit on-chip frame buffer (FSD-1603)

●Automatic address learning and address aging

●Supports Auto MDI/MDI-X function

●Support CSMA/CD protocol

●External power adapter 12V 0.5A (FSD-503/803)

●External power adapter 12V 1A (FSD-1603)

●FCC, CE class B compliant