Planet Technology GSD-804 - Manual (Page 5)

1.3 Product Features
Complies with IEEE802.3, 10Base-T, IEEE802.3u,
100Base-TX and IEEE802.3ab, 1000Base-T
IEE802.3x, full-duplex flow control compliant; back-pressure,
half-duplex flow control
10/100/1000Mbps 5/8-port Gigabit Switch (RJ-45)
8K MAC address table auto-ageing,
112K(GSD-503/GSD-504) / 144K(GSD-803/GSD-804) bytes
packet buffer
9.6K Jumbo packet size support
Per port Auto-MDI, MDI-X detection
Non-blocking, Store and Forward switching architecture
Automatic source address learning and aging