Grandstream Networks HT702, HT704, HT701 user manual Advanced Definitions of the HT70X LEDs Pattern

Table 3: Advanced Definitions of the HT70X LEDs Pattern

Patten	Condition	LED	LED Behavior
Number
LED-01	Device has normal power	Power	ON
LED-02	Power Error: Power is removed from the device or power	Power	OFF
	supply with improper voltage is plugged in
LED-03	Line X is registered normally to the sip providers network	Phone	ON
	and is ready to make a call
LED-04	Voice mail waiting for Line X	Phone	1sec ON / 3sec OFF
LED-05	Device has normal WAN connection and has obtained IP	Internet	ON
	address
LED-06	Internet link error: Device is powered up and ready to
	connect to the Internet but the WAN/INTERNET port is	Internet	OFF
	down
LED-07	Internet DHCP Error: Device is properly connected but it is
	unable to retrieve an IP address from the device it is	Internet	0.25sec ON/ 0.25sec OFF
	connected to
LED-08	Line Registration failed: Device is properly setup, can
	connect to provider's network, but cannot register to	Phone	OFF
	provider's SIP proxy (no 200 OK)
LED-09	Device is connected (has physical data link) but there are
	incorrect network settings typically associated with PPPoE	Internet	0.25sec ON/ 0.25sec OFF
	connection failure
LED-10	Hazardous potential test failed: Hazardous AC or DC
	voltage is present on the tip and ring or both signals of	Phone	0.25sec ON/ 0.25sec OFF
	phone line X
LED-11	Foreign electro Motive Force (EMF) Test fail. Foreign
	voltage is present on the tip, ring or both signals of phone	Phone	0.25sec ON/ 0.25sec OFF
	line. Device has detected additional external Phone
	voltage on the FXS phone line.
LED-12	Resistive fault test failed. Either tip or ring is shorted to	Phone	0.25sec ON/ 0.25sec OFF
	ground or they are shorted to each other.
LED-13	Receiver off hook test fail. One or more phones are off	Phone	0.25sec ON/ 0.25sec OFF
	hook on phone line during test.
LED-14	REN test failed – high REN detected. Too many parallel	Phone	0.25sec ON/ 0.25sec OFF
	phones connected to phone line X
LED-15	Line is active	Phone	1 sec ON/ 1 sec OFF
LED-16	Line inactive	Phone	ON
LED-17	During Provisioning Stage*	Internet /
			0.2sec ON/ 0.2sec OFF
		Phone
LED-18	During Firmware Recovery Stage*	Internet /	0.4sec ON/ 0.4sec OFF
		Phone

*Note: In Provisioning and Firmware Recovery Stage, the power LED is Steady ON.

Grandstream Networks, Inc.	HT-70X User Manual	Page 7 of 35
	Firmware Version 1.0.0.18	Last Updated: 03/2012