
13 Chapter 2
2.3.2 COM1 Connector
The ARK-3382 provides a D-sub 9-pin connector, which offers one stan-
dard RS-232 serial communication interface port of COM1.
Figure 2.7: COM 1 connector
Table 2.5: COM1 standard serial port pin assignments
Pin Signal Name
1 DCD
2RxD
3TxD
4DTR
5GND
6DSR
7RTS
8CTS
9RI
15
9
6
324
78