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2.3.1.7
Ethernet Connector (LAN)
ARK-2250 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
an Intel i219/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).
Pin
1
2
3
4
5
6
7
8
2.3.1.8
Audio Connector
ARK-2250 offers stereo audio ports via 2 x phone jack connectors — Line_Out,
Mic_In. The audio chip is controlled by ALC888S, and it's compliant with Azalea stan-
dards.
Pin
1
2
2.3.1.9
COM Connector
ARK-2250 provides four D-sub 9-pin connectors, which offers RS232/422/485 serial
communication interface ports. The default setting is RS-232, if you want to use RS-
422/485, you can find the BIOS manual and change settings.
ARK-2250 User Manual
Figure 2.9 Ethernet Connector (LAN)
10/100/1000 BaseT Signal Name
TX+
TX-
RX+
MDI2+
MDI2-
RX-
MDI3+
MDI3-
Figure 2.10 Audio Connector
Audio Signal Name
Line out
Mic in
14
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