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US7070447-001, Rev 01
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Chapter 4
Cabling
The HiSpeed switch models are similar in physical makeup of ports and LEDs.
This section describes the following port types, LED configurations, and
connections for all models.
❒ 10BASE-TX ports
❒ 10/100BASE-TX ports
❒ 100BASE-FX ports
❒ Console connection
❒ Reset button
Basic Connections
For communications to take place between two devices, the transmitter of one
device must connect to the receiver of the other device. The connection must be
achieved through a crossover function, which could be a crossover cable or a port
that implements the crossover function internally. All the 10/100BASE-TX ports
are wired for MDI-X (media-dependent interface-crossover). Use the proper
cabling to connect to devices as follows:
❒ To connect to a switch, hub, or bridge, use a crossover cable.
❒ To connect to a workstation or file server, use a straight-thru cable.
❒ Autonegotiation on the 10/100BASE-TX ports is set by polling the connected
device. The two devices will negotiate the speed, 10 Mbps or 100 Mbps, and
select whichever is most optimal.