Grandstream Networks HT-286 Button flashes every 1 second, Button flashes every 2 seconds

TABLE 7: HT–286 LED DEFINITIONS
	RED LED indicates not normal status
	Button flashes every 1 second	If Ethernet link is down
	Button flashes every 2 seconds.	DHCP Failed or WAN No Cable
	(if DHCP is configured)
	Button flashes every 4 seconds.	HT–286 fails to register
	(if SIP server is configured)
	Button flashes every 6 seconds.	Firmware Upgrading
	Button flashes briefly	No STUN responses
	Red light steady.	Device Malfunctions
	GREEN LED indicates normal status
	Button flashes every 2 seconds.	Message Waiting Indication
	Button flashes at 1/10 second.	RINGING
	Button flashes every second.	RINGING INTERVAL
	Green light steady.	In Conversation

Grandstream Networks, Inc.	HT–286 User Manual	Page 14 of 28
	Firmware 1.1.0.31	Last Updated: 1/2009