Appendix; Connector And Cable Specifications; Connector Specifications; 10/100/1000 Ports - Cisco Catalyst 3550 Installation Manual

Connector and Cable Specifications

This appendix describes the Catalyst 3550 switch ports and the cables and
adapters that you use to connect the switch to other devices.

Connector Specifications

These sections describe the connectors used with the Catalyst 3550 switches.

10/100/1000 Ports

The 10/100/1000 Ethernet ports on Catalyst 3550 switches use standard RJ-45
connectors.

Connecting to 10BASE-T- and 100BASE-TX-Compatible Devices

When connecting the ports to 10BASE-T- and 100BASE-TX-compatible devices,
such as servers, workstations, and routers, you can use a two or four twisted-pair,
straight-through cable wired for 10BASE-T and 100BASE-TX.
the two twisted-pair, straight-through cable schematics.
four twisted-pair, straight-through cable schematics.
When connecting the ports to 10BASE-T- and 100BASE-TX-compatible devices,
such as switches or repeaters, you can use a two or four twisted-pair, crossover
cable.
Figure B-12
78-11358-03
Figure B-1 shows the pinout.
Figure B-8 shows the two twisted-pair, crossover cable schematics.
shows the four twisted-pair, crossover cable schematics.
Catalyst 3550 Multilayer Switch Hardware Installation Guide
A P P E N D I X
Figure B-7
Figure B-9
B
shows
shows the
B-1