HP 5400 zl

1-13
Introducing the HP 5400 zl Switches
Front of the Switch
Introducing the HP 5400 zl
Switches
Figure 1-4. Mode LEDs and LED Mode Select Button
■ If the Activity indicator LED is lit, each port Mode LED displays
activity information for the port—it flickers as network traffic is received
and transmitted through the port.
■ If the Full Duplex indicator LED is lit, the port Mode LEDs light for
those ports that are operating in full duplex.
■ If the speed 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 0.5 sec.)
• On = 1000 Mbps
■ If the PoE indicator LED is lit, the Link and Mode LEDs indicate PoE
status:
Link LED:
• On = PoE is enabled on this port
• Off = PoE is disabled on this port.
• Slow Blinking = Internal PoE fault on this port.
• Fast Blinking = This port is denied PoE power or has an external load
fault.
Mode LED:
• On = PoE power is be supplied on this port
• Off = PoE is not being supplied on this port.
LED Mode Select button
and indicator LEDs
Mode LEDs
(one for each port)
Act
FDx
Spd
PoE