Table 8 Front of Switch Status and Mode LED Behavior (continued)
MeaningStateFunctionSwitch LEDs
the error. The rest of the Port
LEDs will display normal PoE
status.
PoE mode is not selected.Off
User Mode is selected.On GreenWhen stacking is enabled,
the Port LEDs are
User Mode Selected
User mode not selected.Off
displaying stack
information and status.
See Port LEDs and Mode
Behavior. When stacking
is disabled, this mode is
reserved for future use.
This mode is indicated by ALL the switch indicator LEDs
being off, except for the Global Status LED. This display
Save Power Mode Selected
occurs only if the switch has been configured with the
savepower led command. See the Management and
Configuration Guide for more information on that command
* The slow blink behavior is an on/off cycle once every 1.6 seconds, approximately.
** The fast blink behavior is an on/off cycle once every 0.5 seconds, approximately.
*** Applies only to 3810M switches that support PoE/PoE+.
Table 9 Port LEDs and Mode Behavior
MeaningState/ModeFunctionSwitch LEDs
Shows port Activity and Link
status.
Activity/LinkTo display the information
for the port as selected by
Port LEDs
This is the DEFAULT. There
is no dedicated mode LED
indicating this mode.
the LED Mode select
button.
When transceivers and
SFPs are installed, this LED
The Mode LED function
should return to this
is also used to indicate that
the installation has occurred
selection 10 minutes after
by going on for two seconds
then off.
the last press of the LED
Mode button.
Shows port speed
configuration.
Speed
Shows PoE information.PoE
Shows User selectable User
behavior.
User
The port is enabled and
receiving a Link indication
from the connected device.
Half-Bright GreenPort LEDs are displaying
Link status and network
activity information
simultaneously.
Activity/Link Mode Selected
The percentage of time that
the LED is full-bright is
Activity Flicker Green
Activity/Link Mode is the
default mode and is in effect
roughly proportional to the
unless another LED mode
has been selected.
percentage of full bandwidth
utilization of the port.
Half-Bright Green port Link
indication remains on as
Activity flickers from
half-bright to full-bright.
Front of the Switches 15
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