5.3
5.3
LED diagnostics
LED diagnostics
After establishing Internet connectivity, at least the following LEDs should solidly light green:
Power and Broadband. When service option 2 is selected (AT&T VPN services), the Internet
LED (@) should also be green. Service option 1 (AT&T VPN Gateway /Cisco) will not activate
the Internet LED, even when there is an active Internet connection.
In the table below an overview of the LED indications is available.
LED
Color
Indication
Power
off
modem has no power
green
power on, normal operation
Green flashing
The modem is in bootP mode, bootloader is active, please wait 5
minutes. If it keeps flashing, pls request modem replacement
Red solid
Power on, self-test failed, indicating device malfunction
Orange solid
Bootloader selftest
Orange blink-
ing
B
ootloader active (during upgrade)
Ethernet
off
LAN ports are down
green
LAN port(s) are up, no traffic
flashing green
LAN port(s) are up, there is traffic
USB
off
this LED is not used
green
line has synchronized and up
flashing green
slow flashing: modem is looking for signal
fast flashing: modem has found signal and is trying to synchronize
Internet
off
In case of router mode no Internet is possible
green
All is fine
Upgrade
off
No software upgrade running
blue
Software upgrade running
ATT_TG650s_Quick_Install_Guide Page 26
Illustration 5.3: Firewall is active, please turn it off for the
configuration software to work
