Realtek RTL8169 - Tx LED; Tx;Rx LED

RTL8169
2002/03/27 Rev.1.21
62
9.6.3 Tx LED
In 10/100/1000Mbps mode, blinking of the Tx LED indicates that transmit activity is occurring.
Power On
Transmitting
Packet?
LED = High
LED = High for (100 +- 10) ms
LED = Low for (12 +- 2) ms
No
Yes
9.6.4 Tx/Rx LED
In 10/100/1000Mbps mode, blinking of the Tx/Rx LED indicates that both transmit and receive activity is occurring.
Power On
Tx/Rx Packet?
LED = High
LED = High for (100 +- 10) ms
LED = Low for (12 +- 2) ms
No
Yes