| LED Icon | Blinking | On (Solid) |
 | Not applicable - LED does not blink. |
Power is properly connected with the device power cord.
|
 | Scanning for upstream (send data) and downstream (receive data) channel connection. |
Upstream and downstream channels are connected.
|
 | Scanning for an Internet connection. | T25 is connected to the Internet. |
 | Telephone 1 is either off-hook or a call is in progress. | Telephone service for line 1 is connected and activated; on-hook. |
 | Telephone 2 is either off-hook or a call is in progress. | Telephone service for line 2 is connected and activated; on-hook. |
