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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.
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
Pin
Definition
1
DCD
2
RxD
3
TxD
4
DTR
5
GND
Table 2.3 COM1 connector pin assignments
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
- 25 -
Pin
Definition
6
DSR
7
RTS
8
CTS
9
RI
N/A
N/A
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