Asante Technologies FS4008E/FS4016E - Manual (Page 26)

LED Indicators
Page 3-4
Activity LEDs
The green Activity LEDs indicate transmit/receive activity.
Table 3-4 describes the possible status indications of the Activity LEDs.
Table 3-4 Activity LED Status Indicators
State Status
On Data is transmitting or receiving on this port.
Off No data activity on this port.