Leds; Led Mode Select Button And Indicator Leds - HP 1800 24G - ProCurve Switch Installation And Getting Started Manual

Switch Overview
Switch Hardware Features

LEDs

The front panel of the switch provides status LEDs for system monitoring. The
following table details the functions of the various indicators.
System LED State
Power On
(green)
Off
LED Mode FDx
Select
Speed
(2 green LEDs)
* The blinking behavior is an on/off cycle once every 1.6 seconds, approximately.
Port LED State
Link/Act On
Off
Flashing
Mode Depending on the mode selected, displays if the port is configured for full-duplex operation or
indicates the operating speed. See "LED Mode Select Button and Indicator LEDs" below for more
information.

LED Mode Select Button and Indicator LEDs

To optimize the amount of information that can be displayed for each of the
switch ports, the ProCurve Switch 1800-24G uses a Mode LED for each port.
The operation of this LED is controlled by the LED Mode Select button on the
switch panel, and the current selection is indicated by the mode indicator
LEDs near the button. Press the button to change from one mode to the next.
1-2
Meaning
The switch is receiving power.
The switch is NOT receiving power.
Indicates the port Mode LEDs are lit for ports that are in full-duplex mode.
Indicates the port Mode LEDs are lit for ports that are in 1000 Mbps mode.
Meaning
The port is enabled and receiving a link indication from the connected device.
The port has no active network cable connected, or is not receiving link signal.
Indicates that there is network activity on the port.