Sfp Module Ports - Cisco Catalyst 2970 Hardware Installation Manual

Appendix B Connector and Cable Specifications
Note
Note

SFP Module Ports

OL-6422-01
When connecting the ports to other devices, such as switches or repeaters, you
must use a four twisted-pair, Category 5, crossover cable.
crossover cable schematics.
Be sure to use a four twisted-pair, Category 5 cable when connecting to a
1000BASE-T-compatible device.
Use a straight-through cable to connect two ports only when one port is
designated with an X. Use a crossover cable to connect two ports when both ports
are designated with an X or when both ports do not have an X.
Figure B-1 10/100/1000 Port Pinouts
Pin Label
1 TP0+
2 TP0-
3 TP1+
4 TP2+
5 TP2-
6 TP1-
7 TP3+
8 TP3-
The Catalyst 2970 switch uses SFP modules for fiber-optic and copper uplink
ports. Refer to the Catalyst 2970 release notes for a list of supported SFP modules.
Catalyst 2970 Switch Hardware Installation Guide
Connector Specifications
Figure B-7 shows the
1 2 3 4 5 6 7 8
B-3