Cisco WS-C2960S-24TS-S Hardware Installation Guide - Page 88

Connecting to 1000BASE-T Devices, B-1, 100/1000 Port Pinouts

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Connector Specifications Appendix B Connector and Cable Specifications 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-6 shows the two twisted-pair, crossover cable schematics. Figure B-8 shows the four twisted-pair, crossover cable schematics. You can use Category 3, 4, or 5 cabling when connecting to 10BASE-T-compatible devices. You must use Category 5 cabling when connecting to 100BASE-TX-compatible devices. Connecting to 1000BASE-T Devices When connecting the ports to 1000BASE-T devices, such as servers, workstations, and routers, you must use a four twisted-pair, Category 5, straight-through cable wired for 10BASE-T, 100BASE-TX, and 1000BASE-T. Figure B-7 shows the straight-through cable schematics. When connecting the ports to other devices, such as switches or repeaters, you must use a four twisted-pair, Category 5 or higher crossover cable. Figure B-8 shows the crossover cable schematics. Note Be sure to use a four twisted-pair, Category 5 cable when connecting to a 1000BASE-T-compatible device. Note 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 Pin 1 2 3 4 5 6 7 8 10/100/1000 Port Pinouts Label TP0+ TP0TP1+ TP2+ TP2TP1TP3+ TP3- 12345678 60915 Catalyst 2960 Switch Hardware Installation Guide B-2 OL-7075-09

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B-2
Catalyst 2960 Switch Hardware Installation Guide
OL-7075-09
Appendix B
Connector and Cable Specifications
Connector Specifications
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-6
shows the two twisted-pair,
crossover cable schematics.
Figure B-8
shows the four twisted-pair, crossover cable schematics.
You can use Category 3, 4, or 5 cabling when connecting to 10BASE-T-compatible devices. You must
use Category 5 cabling when connecting to 100BASE-TX-compatible devices.
Connecting to 1000BASE-T Devices
When connecting the ports to 1000BASE-T devices, such as servers, workstations, and routers, you must
use a four twisted-pair, Category 5, straight-through cable wired for 10BASE-T, 100BASE-TX, and
1000BASE-T.
Figure B-7
shows the straight-through cable schematics.
When connecting the ports to other devices, such as switches or repeaters, you must use a four
twisted-pair, Category 5 or higher crossover cable.
Figure B-8
shows the crossover cable schematics.
Note
Be sure to use a four twisted-pair, Category 5 cable when connecting to a 1000BASE-T-compatible
device.
Note
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
60915
23
1
45678
Pin
Label
1
2
3
4
5
6
7
8
TP0+
TP0-
TP1+
TP2+
TP2-
TP1-
TP3+
TP3-