User manual

13 Chapter 2
Note: NC = “No Connection”.
2.4.4 Ethernet Connector (LAN)
The ARK-3389 is equipped with an Intel 82551QM Ethernet controller
that is fully compliant with IEEE 802.3u 10/100Base-T CSMA/CD stan-
dards. 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 (white LED).
Table 2.6: COM1 standard serial port pin assignments
RS-232 RS-422 RS-485
Pin Signal Name Signal Name Signal Name
1 DCD Tx- DATA-
2RxD Tx+ DATA+
3 TxD Rx+ NC
4DTR Rx- NC
5GND GND GND
6 DSR NC NC
7 RTS NC NC
8 CTS NC NC
9RI NC NC
Table 2.7: RJ-45 Connector pin assignments
Pin 10/100BaseT Signal Name
1XMT+
2XMT-
3 RCV+
4NC
5NC
6 RCV-