530 Rockwell Automation Publication 1783-UM007G-EN-P - February 2017
Appendix D Cables and Connectors
Connect to 10BASE-T- and 100BASE-TX-Compatible Devices
The auto-MDIX feature is enabled by default. Follow these cabling guidelines
when the auto-MDIX feature has been disabled.
When connecting the ports to 10BASE-T- and 100BASE-TX-compatible
devices, such as servers and routers, you can use a two or four twisted-pair,
straight-through cable that is wired for 10BASE-T and 100BASE-TX.
To identify a crossover cable, compare the two modular ends of the cable. Hold
the cable ends side-by-side, with the tab at the back. The color of the wire that
is connected to the pin on the outside of the left plug must differ in color from
the wire that is connected to the pin on the inside of the right plug.
Figure 78 and Figure 79 show the cable schematics.
Figure 78 - Two Twisted-pair Straight-through Cable Schematics
Figure 79 - Four Twisted-pair Straight-through Cable Schematics
Switch
3 TD+
6 TD–
1 RD+
2 RD–
Router or Personal Computer
3 RD+
6 RD–
1 TD+
2 TD–
1 TPO+
2 TPO-
3 TP1+
6 TP1-
1 TP1+
Switch Router or Personal Computer
2 TP1-
3 TPO+
6 TPO-
4 TP2+
5 TP2-
7 TP3+
8 TP3-
4 TP3+
5 TP3-
7 TP2+
8 TP2-
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