Cable And Adapter Specifications; Two Twisted-Pair Cable Pinouts; Four Twisted-Pair Cable Pinouts For 10/100 Ports - Cisco WS-C2950-12 Hardware Installation Manual

Appendix B Connectors and Cables

Cable and Adapter Specifications

Two Twisted-Pair Cable Pinouts

78-11157-03
These sections describe the cables and adapters used with Catalyst 2950 switches.
• Two Twisted-Pair Cable Pinouts, page B-7
Four Twisted-Pair Cable Pinouts for 10/100 Ports, page B-8
•
• Four Twisted-Pair Cable Pinouts for 1000BASE-T Ports, page B-9
Figure B-6 and Figure B-7
10/100 ports.
Figure B-6 Two Twisted-Pair Straight-Through Cable Schematic for
10/100 Ports
Switch Switch
3 TD+
3 RD+
6 TD– 6 RD–
1 RD+ 1 TD+
2 RD–
2 TD–
Figure B-7 Two Twisted-Pair Crossover Cable Schematic for 10/100 Ports
Switch
3 TD+
6 TD–
1 RD+
2 RD–
Catalyst 2950 Desktop Switch Hardware Installation Guide
show the schematics of two twisted-pair cables for
Switch
3 TD+
6 TD–
1 RD+
2 RD–
Cable and Adapter Specifications
B-7