Cisco PIX 520 - PIX Firewall 520 - Cable and Adapter Specifications; Two Twisted-Pair Cable Pinouts; Four Twisted-Pair Cable Pinouts for 1000 BASE-T Ports

A-13
User Guide for the Catalyst Express 520 Switches
OL-12761-02
Appendix A Reference
Cable and Adapter Specifications
Cable and Adapter Specifications
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
Two Twisted-Pair Cable Pinouts
Figure A-8 and Figure A-9 show the schematics of two twisted-pair cables for
connecting to 10BASE-T- and 100BASE-TX-compatible devices.
Figure A-8 Two Twisted-Pair Straight-Through Cable Schematic
Figure A-9 Two Twisted-Pair Crossover Cable Schematic
Switch
3 TD+
6 TD–
1 RD+
2 RD–
Router or PC
3 RD+
6 RD–
1 TD+
2 TD–
H5578
Switch
3 TD+
6 TD–
1 RD+
2 RD–
Switch
3 TD+
6 TD–
1 RD+
2 RD–
H5579