Siemens 2602 - Manual (Page 31)

B-2
RJ-45 Pin Numbering
Table B-2. RJ-45 Pin Numbering
RJ-45 Pin Assignments
All LAN ports on the SpeedStream 2602 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 configured only for MDI-X mode.
Table B-3. RJ-45 Pin Assignments
Straight-Through Cable Crossover Cable
End 1 End 2 End 1 End 2
1 (TD+) 1 (TD+) 1 (TD+) 3 (RD+)
2 (TD-) 2 (TD-) 2 (TD-) 6 (RD-)
3 (RD+) 3 (RD+) 3 (RD+) 1 (TD+)
6 (RD-) 6 (RD-) 6 (RD-) 2 (TD-)
Pins 4, 5, 7 and 8 are not connected. Pins 4, 5, 7 and 8 are not connected.
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.