Figure 2.6:Com 1 Connector; Table 2.4:Com1 Standard Serial Port Pin Assignments; Com2 Connector; Figure 2.7:Com 2 Connector - Advantech ARK-3380 User Manual

Table 2.4: COM1 standard serial port pin assignments
Pin
1
2
3
4
5
6
7
8
9

2.3.3 COM2 Connector

The ARK-3380 provides a D-sub 9-pin connector, which offers one RS-
232/422/485 serial communication interface port of COM2. The default
setting of COM2 is RS-232. Please refer to section 4.1 "Jumper Settings"
and section 7 "Full Disassembly Procedure" to set up RS-422 or RS-485.
ARK-3380 User Manual
Figure 2.6: COM 1 connector
Signal Name
DCD
RxD
TxD
DTR
GND
DSR
RTS
CTS
RI
Figure 2.7: COM 2 connector
1 2 3 4 5
9
6 7 8
1 2 3 4 5
9
6 7 8
12