Power Connector; Leds - ZyXEL Communications GS1920v2 Series User Manual

3.2.2 Po we r C o nne c to r
Note: Make sure you are using the correct power source as shown on the panel.
To connect power to the Switch, insert the female end of the power cord to the AC power receptacle
on the rear panel. Connect the other end of the supplied power cord to a power outlet. Make sure that
no objects obstruct the airflow of the fans (located on the side of the unit).
See Chapter 51 on page 398
3.3 L EDs
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
L ED C O L O R
PWR Green
Amber
SYS Green
Red
CLOUD Green
Amber
LOCATOR Blue
Chapter 3 Hardware Panels
for information on the Switch's power supply requirements.
ST AT US DESC RIPT IO N
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.
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.
On The Switch is on and functioning properly.
Blinking The Switch is rebooting and performing self-diagnostic tests.
On The Switch is functioning abnormally.
Off The power is off or the Switch is not ready/malfunctioning.
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.
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
in the Switch Web Configurator.
Disc o ve ry
On The Switch is uploading firmware. While the Switch is doing this, don't 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.
GS1920v2 Series User's Guide
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