15
Chapter 2
2.3 ARK-3381 rear face plate external I/O connectors
2.3.1 Power Input Connector
The ARK-3381 comes with a Phoenix connector that carries a 12 ~ 24
VDC external power input.
Figure 2.7: Power input connector
2.3.2 COM1 Connector
The ARK-3381 provides a D-sub 9-pin connector, which offers one stan-
dard RS-232 serial communication interface port for COM1.
Figure 2.8: COM 1 Connector
Table 2.5: Power input connector pin assignments
Pin
Signal Name
1
GND
2
+12 ~ 24 VDC
Table 2.6: COM1 pin assignments
Pin
Signal Name
1
DCD
2
RxD
3
TxD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
1 2
1
5
9
6
3
2
4
7 8
Содержание ARK-3381 Series
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