6 rs-422/485 serial port connector, Figure 3-14: serial port pinout location, Table 3-8: com1 serial port pinouts – IEI Integration TANK-GM45A User Manual

Page 31: Table 3-9: rs-422 pinouts, See table 3-8 and figure 3-14, Tank-gm45 embedded system page 21

TANK-GM45 Embedded System

Page 21

Pin Description

1 DCD

6 DSR

2 RX

7 RTS

3 TX

8 CTS

4 DTR

9 RI

5 GND

Table 3-8: COM1 Serial Port Pinouts

Figure 3-14: Serial Port Pinout Location

3.4.6 RS-422/485 Serial Port Connector

CN Label:

COM3

CN Type:

DB-9 connectors

CN Location:

See Figure 3-7

CN Pinouts:

See Table 3-9 and Table 3-10

RS-422/485 serial port devices can be attached to the DB-9 ports on the rear panel. The

COM3 serial port is a RS-422 serial port by default. To change to RS-485, please refer to

the jumper setting (Section 3.3.1).

COM 3

RS-422 Description

Pin 1

TX-

Pin 2

TX+

Pin 6

RX-

Pin 7

RX+

Table 3-9: RS-422 Pinouts