Draytek 2820 Series quick start For Vigor2820VS, From VoIPPhone Settings

1.1.4 For Vigor2820VS

LED		Status	Explanation
ACT (Activity)		Blinking	The router is powered on and running normally.
		Off	The router is powered off.
USB		On	A USB device is connected and active.
		Blinking	The data is transmitting.
CSM		On	The profile of CSM (Content Security Management)
			for IM/P2P application is active. (It is enabled from
			Objects Setting >> CSM Profile).
CPA (Content Portal		On	The Web Content Filter is active. (It is enabled from
Authority)			Firewall >> Web Content Filter Setup)
DSL		On	The router is ready to access Internet through DSL link.
		Blinking	Slowly: The connection is ready.
			Quickly: The connection is tranning.
WAN 2		On	The WAN1 or WAN2 connection is ready.
		Blinking	It will blink while transmitting data.
Line		On	Web Content Filter is disabled.
		Off	Web Content Filter is enabled to filter web pages.
Phone 1/2		On	The phone connected to this port is off-hook.
		Off	The phone connected to this port is on-hook.
		Blinking	A phone call comes.
LED on Connector
Phone S0	Left LED	On	ISDN NT (ISDN S0 intern) mode is active and an
			ISDN phone adapter is connected.
	(Orange)	Blinking	ISDN NT (ISDN S0 intern) mode is active and an
			ISDN phone adapter is not connected.
	Right LED	On	A phone has been connected. If not, green LED will be
			off.
	(Green)	Blinking	An ISDN phone is off-hook or a phone call comes.
ISDN/Phone	Left LED	On	ISDN NT (ISDN S0 intern) mode is active configured
			from VoIP>>Phone Settings and an ISDN phone
S0	(Orange)		adapter is connected.
		Blinking	ISDN NT (ISDN S0 intern) mode configured from
			VoIP>>Phone Settings is active and an ISDN phone
			adapter is not connected.
		Off	It means ISDN TE mode is active which is configured
			from VoIP>>Phone Settings.
	Right LED	On	A phone adapter with phone set has been connected
	(Green)		(ISDN S0 intern mode) or ISDN line has been
			connected (ISDN S0 extern mode). It will be off if
			there is nothing connected.
		Blinking	In ISDN NT (ISDN S0 intern) mode, it means an ISDN
			phone is off-hook or a phone call comes.
			In ISDN TE mode, it means data, fax or voice (phone
			call) is transmitting.

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