ZyXEL Communications unified security gateway 1.3 Front Panel, 1.3.1 Front Panel LEDs

Chapter 1 Introducing the ZyWALL

1.3 Front Panel

This section introduces the ZyWALL’s front panel.

Figure 1 ZyWALL Front Panel

ZyWALL USG 20

ZyWALL USG 20W

1.3.1 Front Panel LEDs

The following table describes the LEDs.

Table 1 Front Panel LEDs

LED	COLOR	STATUS	DESCRIPTION
PWR		Off	The ZyWALL is turned off.
	Green	On	The ZyWALL is turned on.
		Breathing	The ZyWALL is in power saving mode.
	Red	On	There is a hardware component failure. Shut down
			the device, wait for a few minutes and then restart
			the device (see Section 1.5 on page 34). If the LED
			turns red again, then please contact your vendor.
SYS	Green	Off	The ZyWALL is not ready or has failed.
		On	The ZyWALL is ready and running.
		Blinking	The ZyWALL is booting.
	Red	On	The ZyWALL had an error or has failed.

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	ZyWALL USG 20/20W User’s Guide