10/100 Ports - Cisco Catalyst 2955 Hardware Installation Manual
Cisco systems switch installation guide
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Also See for Catalyst 2955:
- Installation notes (12 pages) ,
- Configuration manual (710 pages) ,
- Command reference manual (686 pages)
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Front-Panel Description
10/100 Ports
Note
Catalyst 2955 Hardware Installation Guide
2-6
Figure 2-4
Laser Safety Warning Label
The hot surface warning label (shown in
2955S-12, and 2955T-12 switch front panels. This label means that the surface of
the switch is hot. See
information about proper handling guidelines for hot surfaces.
Figure 2-5
Hot Surface Warning Label
The 10/100 ports use RJ-45 connectors and twisted-pair cabling. The ports can
connect to these devices:
10BASE-T devices, such as workstations and hubs, through standard RJ-45
•
connectors and two twisted-pair cabling. You can use Category 3, 4, or 5
cabling.
100BASE-TX devices, such as high-speed workstations, servers, hubs,
•
routers, and other switches, through standard RJ-45 connectors and two or
four twisted-pair, Category 5 cabling.
When connecting the switch to workstations, servers, and routers, be sure that the
cable is a twisted-pair straight-through cable. When connecting the switch to hubs
or other switches, use a twisted-pair crossover cable. Pinouts for the cables are
described in
Appendix B, "Connectors and Cables."
The 10/100 ports can be set to operate in any combination of half duplex, full
duplex, 10 Mbps, or 100 Mbps. They can also be set for speed and duplex
autonegotiation, compliant with IEEE 802.3U. In all cases, the cable length from
a switch to an attached device cannot exceed 328 feet (100 meters).
Figure
Appendix C, "Translated Safety Warnings,"
Chapter 2
2-5) is on the Catalyst 2955C-12,
for more
Overview
78-14944-03
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