Intel MPCBL0001 Network Link/Speed LEDs, Ethernet Controller Port State LEDs, Network Link LEDs

Intel NetStructure® MPCBL0001 High Performance Single Board Computer

Contents

3.14.6Network Link/Speed LEDs

The front panel of the SBC provides two LEDs for each Ethernet connection indicating the speed and link activity for that network connection:

Table 31. Network Link LEDs

For Channel A : L2 / For Channel B : L6

Link LED Status	Meaning
Off	No link
Solid Green	Link established
Blinking Green	Link with activity

NOTE: Refer to Figure 14 and Figure 15 for LED (L2 and L6) placement on the

Front Panel.

Table 32. Network Speed LEDs

For Ethernet controller Channel A : L3 & L4

	Speed LED Status		Meaning
L3		L4
Solid Yellow		Off	1 Gbps connection
Off		Solid Green	100 Mbps connection
Off		Off	10 Mbps connection
	For Ethernet controller Channel B : L7 & L8
	Speed LED Status		Meaning
L7		L8
Solid Yellow		Off	1 Gbps connection
Off		Solid Green	100 Mbps connection
Off		Off	10 Mbps connection

NOTE: Refer to Figure 14 and Figure 15 for LED (L3, L4, L7 and L8) placement on the Front Panel.

3.14.7Ethernet Controller Port State LEDs

The front panel of the SBC provides a bicolor LED for each Ethernet channel that can light to indicate the Ethernet port state. These LEDs can display a red, green or amber color. The function of the port state LEDs is user definable. The Ethernet Controller SDP[6:7] GPIO bits for each channel are the outputs that control the LEDs. SDP[6] is connected to the Green LED, and SPD[7] is connected to the Red LED.

Refer to the documentation for the Intel® 82546 Dual Gigabit Ethernet Controller for information on how to drive these LED signals. Note that existing network drivers may drive these GPIO pins.

68	Technical Product Specification
	Order #273817