Siemens 2602 Manuel D’Utilisation
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.
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.
up each wire pair.