Table 1. LED and button descriptions
DescriptionLED
• Solid green.The modem router is ready.
• Solid amber.The modem router is starting.
If the Power LED lights solid amber during any other time, a power-on self-test (POST) failure
or device malfunction occurred.
For more information, see Power LED Remains Solid Amber on page 253.
• Blinking amber.The modem router was reset to factory default settings and is restarting.
For more information, see Use the Reset Button on page 199.
• Off. Power is not supplied to the modem router.
For more information, see Power LED Is Off on page 252.
Power
• Solid green.The modem router is connected to a DSL service and the DSL connection is ready.
• Blinking green.The modem router is negotiating the best possible speed on the DSL line.
• Off.The modem router is not connected to a DSL service or a DSL connection is not established.
DSL
• Solid green.The modem router detected an Internet connection.
• Solid amber.The modem router is not connected to a DSL or cable modem, or the modem
router did not detect an Internet connection.
For more information, see Troubleshoot the Internet Connection on page 254.
• Blinking green. Data is being transmitted over the Internet connection.
• Alternating green and amber.The traffic meter is enabled and the traffic limit was reached.
• Off.The modem router cannot connect to the Internet or the Internet connection failed.
For more information, see Internet LED Is Off on page 255.
Internet
• Solid green.The WiFi radios are operating.
• Blinking green.The modem router is sending or receiving WiFi traffic over a radio.
• Off. Both WiFi radios are off.
WiFi
• Solid green. A USB device is connected and is ready.
• Blinking green. Data is being transmitted to or from the USB device.
• Off. No USB device is connected, or someone clicked the Safely Remove Hardware button
and it is now safe to remove the attached USB device.
USB
Hardware Overview of the Modem Router
11
AC1200 WiFi VDSL/ADSL Modem Router Model D6220