User manual

Table Of Contents
ARK-3399 User Manual 12
2.3.1.2 Ethernet Connector (LAN)
ARK-3399 is equipped with an Intel 82541PI Ethernet controller that is fully compliant
with IEEE 802.3u 10/100/1000Base-T CSMA/CD standards. The Ethernet port pro-
vides 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
Press the "Reset" button to activate the reset function.
Table 2.1: COM standard serial port pin assignments
RS-232 RS-422 RS-485
Pin Signal Name Signal Name Signal Name
1DCD Tx- DATA-
2RxD Tx+ DATA+
3 TxD Rx+ NC
4DTR Rx- NC
5 GND GND GND
6 DSR NC NC
7 RTS NC NC
8 CTS NC NC
9RI NC NC
NC represents “No Connection”
Table 2.2: RJ-45 Connector pin assignments
Pin 10/100/1000BaseT Signal Name
1TX+
2TX-
3RX+
4MDI2+
5MDI2-
6RX-
7MDI3+
8MDI3-
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