Cable And Adapter Specifications - Cisco Catalyst Express 520 Reference Manual

Appendix A Reference

Cable and Adapter Specifications

Two Twisted-Pair Cable Pinouts
OL-12761-02
These sections describe the cables and adapters used with the switch.
• Two Twisted-Pair Cable Pinouts, page A-13
Four Twisted-Pair Cable Pinouts for 1000BASE-T Ports, page A-14
•
Crossover Cable, page A-15
•
Figure A-8 and Figure A-9
connecting to 10BASE-T- and 100BASE-TX-compatible devices.
Figure A-8 Two Twisted-Pair Straight-Through Cable Schematic
Switch
Router or PC
3 TD+
3 RD+
6 TD–
6 RD–
1 RD+
1 TD+
2 RD– 2 TD–
Figure A-9 Two Twisted-Pair Crossover Cable Schematic
Switch
3 TD+
6 TD–
1 RD+
2 RD–
show the schematics of two twisted-pair cables for
Switch
3 TD+
6 TD–
1 RD+
2 RD–
User Guide for the Catalyst Express 520 Switches
Cable and Adapter Specifications
A-13