Appendix A: Technical Specifications
252
RJ-45 Twisted Pair Port Pinouts
Figure 101 illustrates the pin layout of the RJ-45 connectors on the front
panel of the switch.
Figure 101. RJ-45 Socket Pin Layout (Front View)
Table 54 lists the pin signals.
Table 54. Pin Signals for 100M/1G/2.5G/5G Base-T Connectors
Pin
100Mbps
MDI Signal
100Mbps
MDI-X Signal
1G/2.5G/5G
Signal
1 TX+ RX+ Bi-directional pair A+
2 TX- RX- Bi-directional pair A-
3 RX+ TX+ Bi-directional pair B+
4 Not used Not used Bi-directional pair C+
5 Not used Not used Bi-directional pair C-
6 RX- TX- Bi-directional pair B-
7 Not used Not used Bi-directional pair D+
8 Not used Not used Bi-directional pair D-
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