21
RJ-45 P
IN
S
PECIFICATION
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