Advantech ARK-2121, User Manual

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11 ARK-2121 User Manual
Chapter 2
H
/W Installation
2.3.1.2 Ethernet Connector (LAN)
ARK-2121L 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).
Figure 2.4 Ethernet connector
Table 2.2: COM Connector Pin Assignments
RS-232 RS-422 RS-485
Pin Signal Name Signal Name Signal Name
1 DCD Tx- DATA-
2 RxD Tx+ DATA+
3 TxD Rx+ NC
4 DTR Rx- NC
5 GND GND GND
6 DSR NC NC
7 RTS NC NC
8 CTS NC NC
9 RI NC NC
Note! NC represents “No Connection”.
Table 2.3: Ethernet Connector Pin Assignments
Pin 10/100/1000BaseT Signal Name
1 TX+
2 TX-
3 RX+
4 MDI2+
5 MDI2-
6 RX-
7 MDI3+
8 MDI3-
1 8