User manual

15 Chapter 2
2.3.4 Ethernet Connectors (LAN)
The ARK-3382 is equipped with one Intel 82551QM Ethernet controller
and three Realtek RTL8139DL Ethernet controllers that are all fully com-
pliant with IEEE 802.3u 10/100Base-T CSMA/CD standards. The ARK-
3382 embedded box computer provides four standard RJ-45 jack connec-
tors of LAN , LAN2, LAN3 and LAN4, each connector comes with LED
indicators on the front side to show its Active/Link status (Green LED)
and Speed status (white LED).
Figure 2.9: Ethernet connector
Table 2.7: RJ-45 Connector pin assignments
Pin 10/100BaseT Signal Name
1XMT+
2XMT-
3 RCV+
4NC
5NC
6 RCV-
7NC
8 NC
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