Allied Telesis AT-2971T - Manual (Page 19)

AT-29xx Series Gigabit Ethernet Adapters Installation Guide
19
Off No valid link at 10 Mbps.
100 Green On A valid link has been established at 100
Mbps.
Off No valid link at 100 Mbps.
1000 Green On A valid link has been established at 1000
Mbps.
Off No valid link at 1000 Mbps.
ACT Green On The adapter is receiving or transmitting
data.
Off The adapter is not receiving or
transmitting data.
Table 3. AT-2971T LEDs (Continued)
LED Color State Description