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RJ-45 Pin Assignments
Pin Number
1
2
3
6
[NOTE] "+" and "-" signs represent the polarity of the wires that make up each wire pair.
All ports on this switch support automatic MDI/MDI-X operation, you can use
straight-through cables for all network connections to PCs or servers, or to other switches
or hubs. In straight-through cable, pins 1, 2, 3, and 6, at one end of the cable, are
connected straight through to pins 1, 2, 3 and 6 at the other end of the cable. The table
below shows the 10BASE-T/ 100BASE-TX MDI and MDI-X port pin outs.
Pin MDI-X
1
2
3
6
Signal Name
Receive Data plus (RD+)
Receive Data minus (RD-)
Transmit Data plus (TD+)
Transmit Data minus (TD-)
101
Assignment
Tx+
Tx-
Rx+
Rx-
MDI Signal Name
Transmit Data plus (TD+)
Transmit Data minus (TD-)
Receive Data plus (RD+)
Receive Data minus (RD-)
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