Chapter 2 Product Overview
Front Panel Description
2-18
Catalyst 3750 Switch Hardware Installation Guide
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Even if PoE mode is not selected on a Catalyst 3750-24PS or 3750-48PS switch,
the PoE LED still shows PoE problems when they are detected.
Table 2-5 lists the PoE mode LED colors and their meanings.
Table 2-4 Port Mode LEDs
Mode LED Port Mode Description
STAT Port status The port status. This is the default mode.
DUPLX Port duplex mode The port duplex mode: full duplex or half duplex.
Note The 10/100/1000 ports operate only in full-duplex
mode.
SPEED Port speed The port operating speed: 10, 100, or 1000 Mbps.
STACK Stack member status
StackWise port status
The stack member status.
The StackWise port status. See the “Stack LED” section on
page 2-21 for more information.
PoE
1
1. The PoE LED is only on the Catalyst 3750-24PS and 3750-48PS switches.
10/100 PoE port power The PoE status.
Table 2-5 PoE Mode LED
Color PoE Status
Off PoE mode is not selected. None of the 10/100 ports have been denied power or are
in a fault condition.
Green PoE mode is selected, and the PoE status is shown on the port LEDs.
Blinking amber PoE mode is not selected. At least one of the 10/100 ports has been denied power,
or at least one of the 10/100 ports has a PoE fault.
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