Your DSL modem has several Indicator lights on the front, which can be used to diagnose installation and connection problems. The lights on the Wireless and standard DSL modems may be labeled differently and there are three ways to tell if your DSL modem is also a wireless modem or a standard modem.

• Power switch: Wireless modems have an On/Off switch in the back, while non-wireless modems do not.
• Modem's model number: Wireless modem's model number is 4011G, while standard modem's model number is 2071. You can locate the model number just below the modem indicator lights.
• Serial number: Wireless modems have an alpha numeric serial number (i.e. the serial number contains both numbers and letters, like AB12C3). If the serial number consists of only numbers, it is not a wireless modem.

Standard modem Indicator lights:



Wireless modem Indicator lights:



To help you troubleshoot any modem problems check your indicator lights and follow the troubleshooting steps.

Power Light	Operating State
OFF	This indicates that the DSL modem is not getting power. Click here to troubleshoot the issue.
Blinking green (slow)	The DSL modem is undergoing POST (power-on self test). Wait for 2 minutes for the modem to finish the self test, and if still the issue persists, click here to troubleshoot.
Solid green	Power is on. This indicates that DSL modem is getting power.
Blinking orange	The DSL modem is undergoing a software upgrade. Wait for 2 minutes for the software upgrade to finish. If the light continues to blink orange, click here to troubleshoot.
Solid red	Red Power light could also indicate a faulty Power Adapter. To confirm this, you have to perform basic troubleshooting steps

Ethernet or USB Light	Operating State
OFF	The DSL modem is powered off, booting up, or not connected. If the modem is plugged in and turned on but this light is off, click here to troubleshoot the issue.
Solid green	Device(s) connected via Ethernet, USB, or Wireless.
Flickering green	Data traffic is coming into or going out from the network.

DSL or Broadband Light	Operating State
OFF	The DSL modem is turned off. If the modem is turned on and booting up, the light should come on after 2 minutes. If the light stays off, click here to troubleshoot the issue.
Blinking green (slow)	The DSL modem is attempting to establish a connection to your broadband service(s).
Blinking green (fast)	The DSL modem has been unable to connect to the DSL signal for more than three minutes. Click here to troubleshoot the issue.
Solid green	The DSL modem is fully connected to your broadband service(s).

Internet or Service Light	Operating State
OFF	The DSL modem is unable to detect a DSL signal., OR the modem has detected a DSL signal and is attempting to connect. If the light does not turn on, click here for troubleshooting.
Blinking green (fast)	The DSL modem is attempting to establish a connection to your broadband service(s).
Solid red	The DSL modem cannot connect to your broadband service. Click here to troubleshoot the issue.

Wireless [for Wireless modem only]	Operating State
OFF	The DSL modem is powered off or booting up.
Solid green	Device(s) connected via Wireless.
Flickering green	Data traffic is coming into or going out from the network.

---