Appendix C - Cable
SAGEM F@st™ 1500 Reference Manual - 288053220-03
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C.1.4 Pin Assignments

General

With 100BASE-TX/10BASE-T cable, pins 1 and 2 are use d for transmitting data, and pins 3 and
6 for receiving data.
RJ45 Pin Assignments
Pin Number Assignment1
1Tx+
2Tx-
3Rx+
6Rx-
The “+” and “-” signs represent the polarity of the wires that make up each wire
pair.

Straight-Through Wiring

If the port on the attached device has internal crossover wiring ( MDI-X),
then use straight-through cable.
Straight Through Cable Pin Assignments
End 1 End 2
1 (Tx+) 1 (Tx+)
2 (Tx-) 2 (Tx-)
3 (Rx+) 3 (Rx+)
6 (Rx-) 6 (Rx-)

Crossover Wiring

If the port on the attached device has straight-through wiring (M DI), use crossover cable.
Crossover Cable Pin Assignments
End 1 End 2
1 (Tx+) 1 (Rx+)
2 (Tx-) 2 (Rx-)
3 (Rx+) 3 (Tx+)
6 (Rx-) 6 (T x-)