Interfaces introduction, Front panel – UTStarcom UT-300R2 User Manual
Chapter 2 Installation Planning
Steady green light indicates the unit is powered on.
When the device is powered off this remains dark.
Lights steady green during power on self-test
(POST). Once the connection status has been
settled, the light will blink green. If the indicator
lights steady green after the POST, the system has
failed and the device should be rebooted.
Steady green light indicates a valid ADSL
connection. This will light after the ADSL
negotiation process has been settled. A blinking
green light indicates activity on the WAN (ADSL)
A solid green light indicates a valid link on startup.
This light blinks when there is activity currently
passing through the Ethernet port.