7.5 Auto-Negotiation 
The STP ports on the 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. 
If attached device is:  100Base-TX port will set to: 
10Mbps, no 
auto-negotiation 
10Mbps. 
10Mbps, with 
auto-negotiation 
10/20Mbps (10Base-T/Full-Duplex) 
100Mbps, no 
auto-negotiation 
100Mbps 
100Mbps, with 
auto-negotiation 
100/200Mbps (100Base-TX/Full-Duplex)