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18 serial port connector (rs-232/422/485), Table 4-19: rs-232 connector pinouts, Table 4-20: rs-232/422/485 connector pinouts – IEI Integration PCISA-945GSE v1.01 User Manual

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PCISA-945GSE CPU Card

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PIN NO.

DESCRIPTION

PIN NO.

DESCRIPTION

9

Ground (GND)

10

N/C

Table 4-19: RS-232 Connector Pinouts

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

CN Label:

COM2

CN Type:

14-pin header (2x7)

CN Location:

See Figure 4-20

CN Pinouts:

See

7

Table 4-20

The serial port connector provides an RS-232, RS-422 or RS-485 communications

channel.

Figure 4-20: RS-232/422/485 Connector Pinout Locations

PIN NO.

DESCRIPTION

PIN NO.

DESCRIPTION

1

Data Carrier Direct (DCD)

2

Data Set Ready (DSR)

3

Receive Data (RXD)

4

Request To Send (RTS)

5

Transmit Data (TXD)

6

Clear To Send (CTS)

7

Data Terminal Ready (DTR)

8

Ring Indicator (RI)

9

Ground (GND)

10

Ground (GND)

11

TXD485+

12

TXD485-

13

RXD485+

14

RXD485-

Table 4-20: RS-232/422/485 Connector Pinouts