What does the Power/Sync light mean?
The Power/Sync light gives an indication of the current power status of the modem. When the modem is first powered on, the light will blink red as the modem attempts to establish a connection with the central office. If connection (sync) is established, the light will turn green. If it continually flashes red (more than a minute or two), that means it cannot establish sync with the central office and there is a problem. The modem follows a sync pattern which you can see if you unplug the telephone line from the ADSL modem. Its cycle is initialize, wait for sync, and (if nothing found) fail; then start the cycle over.
