Chapter 3 Switch Installation
Connecting to the 10/100 and 10/100/1000 Ports
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Catalyst 3750 Switch Hardware Installation Guide
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Step 5 Grasp the SFP module between your thumb and index finger, and carefully
remove it from the module slot.
Step 6 Place the removed SFP module in an antistatic bag or other protective
environment.
Connecting to the 10/100 and 10/100/1000 Ports
The switch 10/100 and 10/100/1000 ports configure themselves to operate at the
speed of attached devices. If the attached ports do not support autonegotiation,
you can explicitly set the speed and duplex parameters. Connecting devices that
do not autonegotiate or that have their speed and duplex parameters manually set
can reduce performance or result in no linkage.
To maximize performance, choose one of these methods for configuring the
Ethernet ports:
• Let the ports autonegotiate both speed and duplex.
• Set the port speed and duplex parameters on both ends of the connection.
Follow these steps to connect to 10BASE-T, 100BASE-TX or 1000BASE-T
devices:
Caution To prevent electrostatic-discharge (ESD) damage, follow your normal board and
component handling procedures.
Step 1 When connecting to workstations, servers, routers, and Cisco IP Phones, connect
a straight-through cable to an RJ-45 connector on the front panel. (See
Figure 3-38.) When connecting to switches or repeaters, use a crossover cable.
(See the “Cable and Adapter Specifications” section on page B-5 for cable-pinout
descriptions.)
Note When connecting to 1000BASE-T-compatible devices, be sure to use a
twisted four-pair, Category 5 cable.
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