Table 3: Advanced definition of GXW400X LEDs patterns
Power Error: Power is removed from the device or
power supply with improper voltage is plugged in
Line X is registered normally to the sip providers
network and is ready to make a call
Voice mail waiting for Line X
Device has normal WAN connection and has obtained
IP address
Internet link error: Device is powered up and ready to
connect to the Internet but the WAN/INTERNET port
is down
Internet DHCP Error: Device is properly connected
but it is unable to retrieve an IP address from the
device it is connected to
Line Registration failed: Device is properly setup,
can connect to provider's network, but cannot register
to provider's SIP proxy (no 200 OK)
2x1000ms ON/OFF
+
3sec OFF
Device is connected (has physical data link) but there
are incorrect network settings typically associated
with PPPoE connection failure
Hazardous potential test failed: Hazardous AC or DC
voltage is present on the tip and ring or both signals
of phone line X
1x250ms ON/OFF
+
3sec OFF
Foreign electro Motive Force (EMF) Test fail. Foreign
voltage is present on the tip, ring or both signals of
phone line. Device has detected additional external
Phone voltage on the FXS phone line.
2x250ms ON/OFF
+
3sec OFF
Resistive fault test failed. Either tip or ring is shorted
to ground or they are shorted to each other.
3x250ms ON/OFF
+
3sec OFF
Receiver off hook test fail. One or more phones are off
hook on phone line during test.
4x250ms ON/OFF
+
3sec OFF
REN test failed – high REN detected. Too many
parallel phones connected to phone line X