(Port 25 only)
Displays network activity information, or whether the port is configured for full-duplex operation, or
100 Mbps operation depending on the mode selected. See "LED Mode Select Button and Indicator
LEDs" on the next page for more information.
(3 green LEDs)
* The blinking behavior is an on/off cycle once every 1.6 seconds, approximately.
The switch is receiving power.
The switch is NOT receiving power.
The normal state; indicates that there are no fault conditions on the switch.
An unsupported transceiver has been installed in the transceiver slot. Under this
condition, the Port 25 Link LED will also blink simultaneously.
On briefly after the switch is powered on or reset, at the beginning of switch self test.
If on for a prolonged time, the switch has a hardware failure, or has failed its self test.
See chapter 3, "Troubleshooting" for more information.
Indicates the port is enabled and receiving a link indication from the connected
One of these conditions exists:
• no active network cable is connected to the port
• the port is not receiving link beat (RJ-45 ports), or sufficient light (transceiver port)
• for Port 25 (transceiver port), the transceiver has failed
If the Port 25 Link LED is blinking simultaneously with the Fault LED, it indicates that
an unsupported transceiver has been installed in the transceiver slot.
Indicates that the port Mode LEDs are displaying network activity information.
Indicates that the port Mode LEDs are lit for ports that are in Full Duplex Mode.
Indicates that the port Mode LEDs are lit for ports that are operating at 100 Mbps.
Introducing the HP Procurve Switch 2124
Front of the Switch