User Manual

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Pin Definition Pin Definition
1 DCD 6 DSR
2 RxD 7 RTS
3 TxD 8 CTS
4 DTR 9 RI
5 GND N/A N/A
Table 2.3 COM1 connector pin assignments
2.3.3 COM2 Connector (Default RS-232)
The DSA-3400 provides a D-sub 9-pin connector, which offers one RS-485/RS-232 serial
communication interface port for COM2. The default setting of COM2 is RS-232. The figure of
below is the sample of setting for RS485.
Figure 2.9: COM2 connector
Pin RS-485
1 DATA-
2 DATA+
3 No Connection
4 No Connection
5 GND
6 No Connection
7 No Connection
8 No Connection
9 No Connection
Table 2.4 COM2 connector pin assignments
2.3.4 Ethernet Connector (LAN)
The DSA-3400 is equipped with an Intel 82551QM(WOL supported) Fast Ethernet controller
that is fully compliant with IEEE 802.3u 10/100Base-T CSMA/CD standards. The Ethernet
port provides a standard RJ-45 jack connector with LED indicators on the front side to show