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Switch overview
Switch hardware
LEDs
The front and back panels of the switches provide status LEDs for system monitoring.
The following table lists the functions of the various indicators.
LED State Meaning
Power
(green)
On The switch is receiving power.
Off The switch is not receiving power.
Fault
(orange)
On On, after the switch is powered on or reset, at the beginning of switch self test. If
the LED remains on, it indicates a detected hardware failure during the self test.
Blinking* Indicates a fault condition on the switch or one of the switch ports. The Link LED
for the port with the fault blinks simultaneously.
Off The normal state; indicates that there are no fault conditions on the switch.
Locator
(blue)
PS1810-24G
Switch only
Blinking** The Locator LED helps you locate a specific switch in an area full of switches. The
LED blinks for 30 minutes when activated through the switch software.
Off The Locator LED is disabled by default.
PD
(green)
PS1810-8G
Switch only
On Power is available on the PoE In port (Port 1).
Blinking* Power is no longer available on the PoE In port. The switch is powered from the
external power adapter. The LED continues to blink until power is restored on the
PoE In port or the switch is reset.
Off Power is not available on the PoE In port.
Link/Act
(green)
On The port is enabled and receiving a link indication from the connected device.
Off One of these conditions exist:
• An active network cable is not connected to the port.
• The port is not receiving link beat or sufficient light.
• Green Mode is enabled.
Blinking* Indicates that there is network activity on the port.
Spd
(green)
On Indicates the port is operating at 1000 Mb/s.
Blinking Indicates the port is operating at 100 Mb/s.
Off Indicates the port is operating at 10 Mb/s.
* The blinking behavior is an on/off cycle once every 1.6 seconds, approximately.
** The blinking behavior is an on/off cycle once every 0.8 seconds, approximately.
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