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RJ-45 PIN SPECIFICATION
When connecting your LevelOne GSW-1601/2401TX 16/24 Port
10/100/1000Mbps Switch with Gigabit option to another switch, a
bridge or a hub, a modified crossover cable is necessary. Please
review these products for matching cable pin assignment.
The following diagram and tables show the standard RJ-45
receptacle/connector and their pin assignments for the
switch-to-network adapter card connection, and the straight / crossover
cable for the Switch-to-switch / hub / bridge connection.
RJ-45 Connector pin assignment
Contact Media Direct Interface Signal
1 TX + (transmit)
2 TX - (transmit)
3 Rx + (receive)
4 Not used
5 Not used
6 Rx - (receive)
7 Not used
8 Not used
The standard cable, RJ-45 pin assignment
The standard RJ-45 receptacle/connector