Cisco WS-C3550-24-FX-SMI - Catalyst 3550 100BASE-FX Switch Guía de instalación descargar pdf (Pagina 100)

Appendix B Connector and Cable Specifications

Connector Specifications

B-2

Catalyst 3550 Multilayer Switch Hardware Installation Guide

78-11358-03

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-11 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, crossover cable. Figure B-12 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

231 45678Pin Label

TP0+

TP0-

TP1+

TP2+

TP2-

TP1-

TP3+

TP3-

1 2 ... 95 96 97 98 99 100 101 102 103 104 105 ... 149 150

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Cisco WS-C3550-24-FX-SMI - Catalyst 3550 100BASE-FX Switch Guía de instalación Pagina 100