User guide

RJ-45 Port Pin Assignments
B-3
RJ-45 Port Pin Assignments
All LAN ports on the CheetahAccess Internet Gateway 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. However, the WAN port is
configured only for MDI-X mode.
Pin MDI Signal Name* MDI-X Signal Name*
1 Transmit Data (TD+) Receive Data (RD+)
2 Transmit Data (TD-) Receive Data (RD-)
3 Receive Data (RD+) Transmit Data (TD+)
6 Receive Data (RD-) Transmit Data (RD-)
Pins 4, 5, 7 and 8 are not connected.
* The “+” and “-” signs represent the polarity of the wires that make up each wire pair.