Intel BLKDP43BF - RJ-45 LAN Connector with Integrated Leds; LAN Connector LED Locations; LAN Connector LED States

Intel Desktop Board DP43BF Technical Product Specification
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1.10.3 RJ-45 LAN Connector with Integrated LEDs
Two LEDs are built into the RJ-45 LAN connector (shown in Figure 5).
Item Description
A Link LED (Green)
B Data Rate LED (Green/Yellow)
Figure 5. LAN Connector LED Locations
Table 6 describes the LED states when the board is powered up and the LAN
subsystem is operating.
Table 6. LAN Connector LED States
LED Color State Condition
Link (A)
N/A Off LAN link is not established
Green
On LAN link is established
Blinking LAN activity occurring
Speed (B)
N/A Off 10 Mb/s data rate
Green On 100 Mb/s data rate
Yellow On 1000 Mb/s data rate