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Introducing the Switch
Front of the Switch
Figure 1-7. HP ProCurve 6600-24XG Switch
Figure 1-8. HP ProCurve 6600-48G and 6600-48G-4XG Switches
■ Each port has a Link LED. If it is lit, the port has a link. If the Link LED is
Blinking, the port has failed its self-test. The Fault and Self-Test LEDs will
be Blinking simultaneously.
■ If the Activity (Act) indicator LED is lit, each port LED displays activity
information for the associated port—it flickers as network traffic is
received and transmitted through the port.
■ If the Full Duplex (FDx) indicator LED is lit, the port LEDs light for those
ports that are operating in full duplex.
■ If the Speed (Spd) indicator LED is lit, the port LEDs behave as follows
to indicate the connection speed for the port:
• Off = 10 Mbps
• Blinking = 100 Mbps (the Blinking behavior is a repeated on/off cycle
once every 0.8 sec.)
• On = 1000 Mbps
■ The Usr Mode LED indicates the port is displaying customer-specified
information.
LED Mode select button
and indicator LED
Port LEDs Link
and Mode
Port LEDs Link
and Mode
LED Mode select button
and indicator LEDs
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