BOBH
asked on
RJ45 connector
I need the pinning of an RJ45 connector when it is used as an ethernet connector.
BobH
BobH
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ASKER
There is better info at the address below
http://www.cabletron.com/support/techtips/tk0231-9.html
BobH
http://www.cabletron.com/support/techtips/tk0231-9.html
BobH
Straight Through Cable
RJ-45 PIN RJ-45 PIN
1 Tx+ 1 Rc+
2 Tx- 2 Rc-
3 Rc+ 3 Tx+
6 Rc- 6 Tx-
RJ-45 PIN RJ-45 PIN
1 Tx+ 1 Rc+
2 Tx- 2 Rc-
3 Rc+ 3 Tx+
6 Rc- 6 Tx-
Crossover Cable
RJ-45 PIN RJ-45 PIN
1 Rx+ 3 Tx+
2 Rc- 6 Tx-
3 Tx+ 1 Rc+
6 Tx- 2 Rc-
RJ-45 PIN RJ-45 PIN
1 Rx+ 3 Tx+
2 Rc- 6 Tx-
3 Tx+ 1 Rc+
6 Tx- 2 Rc-
'course those are only for up to 100-base-TX. For 1000-base-T you need all 4 pairs...
You need all 4 pairs for 100-Base-T4 and 100VG-Anylan as well.
ASKER
That answers everything except which pins are + data and which pins are - data. Also which pins are ground.
BpbH