Connecting To The 10/100 And 10/100/1000 Ports - Cisco Catalyst 3750 Hardware Installation Manual

Chapter 3 Switch Installation
Figure 3-44 Replacing the XENPAK Module Slot Cover
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Phillips-head screw

Connecting to the 10/100 and 10/100/1000 Ports

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Module slot cover
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.
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Set the port speed and duplex parameters on both ends of the connection.
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Connecting to the 10/100 and 10/100/1000 Ports
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Catalyst 3750 Switch Hardware Installation Guide
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