Hardware Installation and Connection

Front Panel Connections

The following table describes the ports. To see the port details, please refer to the XGS1935 Series Comparison Table.

Panel Connections
CONNECTOR	description
10M, 100M, and 1G RJ-45 Ethernet Ports	These are 10/100/1000Base-T auto-negotiating and auto-crossover Ethernet ports. Connect these ports to a computer, a hub, a router, or an Ethernet switch.
10M, 100M, and 1G PoE+ Ports
10G SFP+ Slots	Use SFP+ transceivers in these ports for high-bandwidth backbone connections. You can also insert an SFP+ Direct Attach Copper (DAC) in the SFP+ slot.
RESET	Press the RESET button to reboot the Switch without turning the power off.
RESTORE	Standalone Mode: Press the RESTORE button for 3 to 7 seconds to have the Switch automatically reboot and restore the last-saved custom default file. Press the RESTORE button for more than 7 seconds to have the Switch automatically reboot and restore the factory default file. Cloud Mode: Press the RESTORE button for more than 3 seconds to have the Switch automatically reboot and restore the factory default file.

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.

LED Descriptions
LED	Color	Status	Description
PWR	Green	On	The Switch is on and functioning properly.
	Green	Blinking	The Switch is returning to the 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.
	Green	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).
	Green	Blinking	The Switch cannot connect to the NCC because it is not registered. Please register the Switch with NCC.
	Amber	On	The Switch is registered with NCC but cannot connect to the NCC. Please check the Internet connection of the Switch.
	Amber	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 (XGS1935-28HP and XGS1935-52HP)	Red	On	PoE power usage is more than 95 percent of the power supplied budget.
	Amber	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.