Chapter 3 Hardware Panels
GS2220 Series User’s Guide
47
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 4 LED Descriptions
LED CO LOR STATUS DESC RIPTIO N
PWR Green On The Switch is receiving power from the power module in the power slot.
Blinking The Switch is returning to the last-saved custom default configuration settings.
Amber On The Switch is returning to its factory default configuration settings.
Off The Switch is not receiving power from the power module in the power slot.
SYS Green On The Switch is on and functioning properly.
Blinking The Switch is rebooting and performing self-diagnostic tests.
Red On The Switch is functioning abnormally.
Off The power is off or the Switch is not ready or malfunctioning.
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.
Amber On The Switch is registered at NCC but cannot connect to the NCC. Please
check the Internet connection of the Switch.
Blinking The Switch is not registered at NCC and cannot connect to the NCC. Please
check the Internet connection of the Switch and register the Switch at NCC.
Off The Switch is operating in standalone mode. Nebula Control Center
Discovery is disabled in Ba sic > C lo ud Ma na g e me nt > Ne b ula C o ntro l C e nte r
Disc o ve ry in the Switch’s 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 Usage MAX
(GS2220-10HP)
Bar1 is the bar at
the bottom; bar
5 is the bar at
the top.
Green
(Bar1 – Bar3)
On Each bar represents 20 percent of PoE Power consumption.
Ba r 1: PoE power usage is below 20 percent of the power supplied budget.
Ba r 2: PoE power usage is below 40 percent of the power supplied budget,
but over 20 percent of the power supplied budget.
Ba r 3: PoE power usage is below 60 percent of the power supplied budget,
but over 40 percent of the power supplied budget.
Yellow
(Bar4)
On PoE power usage is below 80 percent of the power supplied budget, but
over 60 percent of the power supplied budget.
Red
(Bar5)
On PoE power usage is more than 80 percent of the power supplied budget.
Blinking Less than 5 percent of the power supplied budget remains. 5 percent is the
default value.
Off PoE power usage is 0 percent of the power supplied budget.
PoE MAX
(GS2220-28HP
and GS2220-
50HP)
Amber On Less than five percent of the power supplied budget remains. Five percent is
the default value.
Off The Switch has a sufficient power supplied budget.
Ethernet Ports and PoE
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