Patent ID: 8295194

Claim:
A wired network connection establishing method adapted for a wired network, the wired network including a network cable and two network devices connected through the network cable, the network cable including a plurality of twisted pair cables, the plurality of twisted pair cables including at least first and second twisted pair cables, the wired network connection establishing method comprising: configuring the two network devices to exchange connection capacity information with each other through the first and second twisted pair cables, the connection capacity information including at least a first connection mode using four of the twisted pair cables, a second connection mode using three of the twisted pair cables, and a third connection mode using two of the twisted pair cables; configuring the two network devices to detect the number of the twisted pair cables capable of supporting a normal connection in the network cable; and configuring the two network devices to determine which one of the first, second, and third connection modes is to be used for establishing a connection based on the number of the twisted pair cables capable of supporting a normal connection.