User's Manual

66xx/67xx Router Users Guide 25
Front Panel
Note: different models have different LEDs, however the LED behavior is the same.
LED Descriptions
LED Mode Description
Solid green The device is powered on and operating normally.
Blinking green The software is being upgraded.
Off
The router may not be turned on. Check if the power adapter is
connected to the router, the router is plugged in and the power switch
button is in the on (pushed in) state.
Solid red Router is booting up.
Power
Blinking red The software is being upgraded.
Solid green
Connection established. The router is able to communicate with your ISP
via DSL.
Blinking DSL line is training.
DSL
(DSL1 and
DSL 2 on
bonded units)
Off Device is powered off.
Solid green Device is connected to the internet in routing mode.
Blinking green Internet data is being transmitted.
Off Ethernet interface is disconnected.
Internet
Solid red Authentication has failed.
Solid green
The Ethernet WAN interface is connected.
WAN
Blinking green
The device is sending or receiving data over the Ethernet WAN interface.
Solid green
Ethernet interface is successfully connected to a device through the LAN
port.
LAN 1-4
Blinking green The device is sending or receiving data over Ethernet.