PLANET GSD-805 - Manual (Page 17)

1
3.5 Auto-Negotiation
The STP ports on the Gigabit Ethernet Switch have built-
in “Auto-negotiation”. This technology automatically sets the
best possible bandwidth when a connection is established with
another network device (usually at Power On or Reset). This is
done by detect the modes and speeds at the second of both
device is connected and capable of, both 10Base-T and 100Base-
TX devices can connect with the port in either Half- or Full-
Duplex mode. 1000Base-T can be only connected in Full-duplex
mode.