15 serial port connector (rs-232/422/485), Table 3-16: serial port, Connector pinouts (com2) – IEI Integration PM-PV-N4551_D5251 User Manual

Page 44: Figure 3-17: serial port connector location (com2), Table 3-16: serial port connector pinouts (com2)

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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)

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