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Chapter 3 Hardware Panels
XGS2220 Series User’s Guide
54
3.3 LEDs
After you connect the power to the Switch, view the LEDs to ensure proper functioning of the Switch
and as an aid in troubleshooting.
Table 8 LED Descriptions
LED COLOR STATUS DESCRIPTION
PWR/SYS Green On The Switch is on and functioning properly.
Blinking The Switch is rebooting and performing self-diagnostic tests.
Yellow On The Switch is functioning abnormally, FAN status alert/error, or
the system power detected is under 10.8 V.
Blinking The Switch is returning to its factory default configuration
settings.
Off The Switch is not receiving power from the power source.
CLOUD Green On The Switch has successfully connected to the NCC (Nebula
Control Center).
Blinking The Switch cannot connect to the NCC because it is not
registered. Please register the Switch with NCC.
Yellow On The Switch is registered with NCC but cannot connect to the
NCC. Please check the Internet connection of the Switch.
Blinking The Switch is not registered with NCC and cannot connect to
the NCC. Please check the Internet connection of the Switch
and register the Switch with NCC.
Off The Switch is operating in standalone mode. Nebula Control
Center (NCC) Discovery is disabled in SYSTEM > Cloud
Management in the Switch Web Configurator.
LOCATOR Blue On The Switch is uploading firmware. While the Switch is doing this,
do not turn off the power.
Blinking Shows the actual location of the Switch between several
devices in a rack. The default timer is 30 minutes when you are
configuring the Switch.
Off The locator is not functioning or malfunctioning.
PoE MAX
(XGS2220-30HP /
XGS2220-54HP /
XGS2220-54FP)
Red On PoE power usage is more than 95 percent of the power
supplied budget.
Yellow On PoE power usage is below 95 percent of the power supplied
budget, but over 80 percent of the power supplied budget.
Off PoE power usage is below 80 percent of the power supplied
budget.
STACK ID The LED is showing the Stack ID number of the Switch.
ID 0 means it is a standalone Switch.
PRIMARY Green On The Switch is acting as a standalone switch or the master in
stacking.
Yellow On An error occurred when the Switch is selected as the master
member in a stack.
Off The Switch is acting as a non-master member in a stack.
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