Cable And Adapter Specifications; Two Twisted-Pair Cable Pinouts; Four Twisted-Pair Cable Pinouts For 10/100 Ports - Cisco Catalyst 3550 Installation Manual

Appendix B Connector and Cable Specifications

Cable and Adapter Specifications

Two Twisted-Pair Cable Pinouts

Four Twisted-Pair Cable Pinouts for 10/100 Ports

78-11358-03
You can order a kit (part number ACS-DSBUASYN=) containing that adapter
from Cisco. For console port and adapter pinout information, see
Table B-3.
These sections describe the cables and adapters used with Catalyst 3550 switches.
Figure B-7 and Figure B-8
10/100 ports.
Figure B-7 Two Twisted-Pair Straight-Through Cable Schematic
Switch Switch
3 TD+
3 RD+
6 TD– 6 RD–
1 RD+
1 TD+
2 RD– 2 TD–
Figure B-8 Two Twisted-Pair Crossover Cable Schematic
Switch
3 TD+
6 TD–
1 RD+
2 RD–
Figure B-9 and Figure B-10
10/100 ports.
Catalyst 3550 Multilayer Switch Hardware Installation Guide
show the schematics of two twisted-pair cables for
Switch
3 TD+
6 TD–
1 RD+
2 RD–
show the schematics of four twisted-pair cables for
Cable and Adapter Specifications
Table B-2 and
B-7