User manual

13 Chapter 2

2.3.3 COM2 Connector

The ARK-3382 provides a D-sub 9-pin connector, which offers one RS-

232/422/485 serial communication interface port of COM2. The default

setting of COM1 is RS-232. Please refer to section 4.1 “Jumper Settings”

and section 6 “Full Disassembly Procedure” to set up RS-422 or RS-484.

Figure 2.7: COM 2 connector

Table 2.4: COM1 standard serial port pin assignments

Pin Signal Name

1 DCD

2RxD

3TxD

4DTR

5GND

6DSR

7RTS

8CTS

9RI

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