Led Mode Select Button And Indicator Leds - HP ProCurve 2520G-PoE Series Installation And Getting Started Manual

The 2520G-PoE switches, have two
LEDs per port. The Link status is
always shown by the Link LED. The
operation of the Mode LED is
controlled by the LED Mode select
button, and the current setting is
indicated by the LED Mode indicator
LEDs near the button. Press the
button to step from one view mode
to the next. The default view is
Activity (Act).
Switch LEDs
Port Mode
indicator LEDs
(4 green LEDs)

LED Mode Select Button and Indicator LEDs

To optimize the amount of information that can be displayed for each of the
switch ports in the limited space available, the 2520G-PoE switches use
multiple-display LEDs for each port.
Table 1-4. Multiple-Display Port LEDs
Mode Meaning
Act Indicates the Port LEDs are displaying network activity information.
FDx Indicates the Port LEDs are lit for ports that are in full-duplex mode.
Spd Indicates the Port LEDs are displaying the connection speed at which each
port is operating:
• if the Port LED is off, the port is operating at 10 Mbps.
• if the Port LED is flashing, the port is operating at 100 Mbps.
• if the Port LED is on continuously, the port is operating at 1000 Mbps.
PoE Indicates the Port LEDs are lit for ports that are providing PoE power to the
connected device.
When Save Power mode is enabled and all port LEDs are off, press the LED
Mode select button to turn the port LEDs on. Press the LED Mode select button
again to step through each view mode. Press the LED Mode select button after
the PoE view mode to turn LEDs off.
If the port LEDs are left on when Save Power mode is enabled, they turn off
automatically after 10 minutes.
LED Mode select button
and indicator LEDs
Introducing the Switch
Front of the Switch
Mode LED
Link LED
1-7