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Connector Specifications
10/100/1000 Ports
Note
78-15136-02
Connector and Cable Specifications
This appendix describes the Catalyst 3750 switch ports and the cables and
adapters that you use to connect the switch to other devices.
These sections describe the connectors used with the Catalyst 3750 switches.
The 10/100/1000 Ethernet ports on Catalyst 3750 switches use standard RJ-45
connectors.
Figure B-1
On switches running Cisco IOS Release 12.1(14)EA1 or later, you can use the
mdix auto command in the CLI to enable the automatic crossover feature. When
the automatic crossover feature is enabled, the switch detects the required cable
type for copper Ethernet connections and configures the interfaces accordingly.
Therefore, you can use either a crossover or a straight-through cable for
connections to a copper 10/100 or 10/100/1000 port on the switch, regardless the
type of device on the other end of the connection.
The automatic crossover feature is disabled by default. For configuration
information for this feature, refer to the switch software configuration guide or the
switch command reference.
A P P E N D I X
shows the pinout.
Catalyst 3750 Switch Hardware Installation Guide
B
B-1
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