Straight-Through Cable; Crossover Cable; Rj-45 Port Pin Assignments - Enterasys R1 SOHO Setup And Installation Manual

Straight-through Cable

Straight-Through RJ-45 Pin Assignments
End 1
1 (TD+)
2 (TD-)
3 (RD+)
6 (RD-)
Pins 4, 5, 7 and 8 are not connected.

Crossover Cable

Crossover RJ-45 Pin Assignments
End 1
1 (TD+)
2 (TD-)
3 (RD+)
6 (RD-)
Pins 4, 5, 7 and 8 are not connected.

RJ-45 Port Pin Assignments

All LAN ports on the RoamAbout R1 support automatic MDI/MDI-X configuration. This
means that the pin signals in use will depend on whether the LAN port is operating in MDI
or MDI-X mode. The WAN port is only configured for MDI-X mode.
Pin MDI Signal Name*
1 Transmit Data (TD+)
2 Transmit Data (TD-)
3 Receive Data (RD+)
6 Receive Data (RD-)
A-2
End 2
1 (TD+)
2 (TD-)
3 (RD+)
6 (RD-)
End 2
3 (RD+)
6 (RD-)
1 (TD+)
2 (TD-)
MDI-X Signal Name*
Receive Data (RD+)
Receive Data (RD-)
Transmit Data (TD+)
Transmit Data (RD-)