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PM-PV-D4251/N4551/D5251 User Manual

Page 32

3.2.15 Serial Port Connector (RS-232/422/485)

CN Label: COM2

CN Type:

14-pin header (2x7)

CN Location:

See

Figure 3-17

CN Pinouts:

See

Table 3-16

Used for RS-232/422/485 communications.

Figure 3-17: Serial Port Connector Location (COM2)

Pin Description Pin Description

1 DCD 2 DSR

3 RXD 4 RTS

5 TXD 6 CTS

7 DTR 8 RI

9 GND 10 GND

11 TXD485+ 12 TXD485-

13 RXD485+ 14 RXD485-

Table 3-16: Serial Port Connector Pinouts (COM2)