||The Power light displays the Modem's current status. If the Power light glows steadily green, the Modem is receiving power and fully operational. When the Power light is rapidly flashing, the Modem is initializing. If the Power light glows red when the Power cord is plugged in, the Modem has suffered a critical error and technical support should be contacted.
||The Ethernet light illuminates when the Modem is connected to a computer via its yellow Ethernet port.
||The Wireless light illuminates when the Modem’s wireless radio is turned on.
||The DSL light illuminates when the Modem is connected to a DSL line and the unit is able to synchronize to the DSL signal from the ISP. When it flashes, the Modem's built-in DSL modem is training for the DSL service.
||When the Internet light glows steadily, the Modem is connected to the DSL provider. A red light indicates some sort of PPPoE issue (ie: authentication).
||The USB light illuminates when the Modem is connected to a computer via its USB port.