Acer Altos R510 - Manual (Page 27)

15
The NIC LEDs at the right and left of each NIC provide the following
information.
LED
Color
LED State Description
Left
LED Off No network connection
Left
LED Solid Amber Network connection in place
Left
LED Blinking Amber Transmit/receive activity
Right
LED Off 10 Mbps connection
(if left LED is on or blinking)
Right
LED Solid Amber 100 Mbps connection
Right
LED Solid Green 1000 Mbps connection