Advantech ARK-2121F-U0A1E User Manual page 24

2.3.1.2 Ethernet Connector (LAN)
ARK-2121F is equipped with two Ethernet controllers that are fully compliant with
IEEE 802.3u 10/100/1000 Mbps CSMA/CD standards. LAN1, LAN2 are all equipped
with Intel i210 Ethernet controller. The Ethernet port provides a standard RJ-45 jack
connector with LED indicators on the front side to show its Active/Link status (Green
LED) and Speed status (Yellow LED).
Table 2.3: Ethernet Connector Pin Assignments
Pin
1
2
3
4
5
6
7
8
2.3.1.3 Audio Connector
ARK-2121F offers stereo audio ports via three phone jack connectors called
Line_Out, Line_In, and Mic_In. The audio chip is controlled by ALC888S, and it's
compliant with Azalea standards.
Table 2.4: Audio Connector Pin Assignments
Pin
1
2
3
ARK-2121F User Manual
Figure 2.4 Ethernet Connector
10/100/1000BaseT Signal Name
TX+
TX-
RX+
MDI2+
MDI2-
RX-
MDI3+
MDI3-
Figure 2.5 Audio Connector
Audio Signal Name
Mic_In
Line_In
Line_Out
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