1 com3 rs-422 and rs-485 pinouts, Figure 2-20: serial device connector, Table 2-9: rs-422 pinouts – IEI Integration AFL-08B-N270 v1.00 User Manual

Page 46: Table 2-10: rs-485 pinouts, Figure 2-20

AFL-08B-N270 User Manual

Page 46

Figure 2-20: Serial Device Connector

Step 3:

Secure the connector

. Secure the serial device connector to the external

interface by tightening the two retention screws on either side of the connector.

Step 0:

2.7.2.1 COM3 RS-422 and RS-485 Pinouts

The pinouts for RS-422 and RS-485 operation of external serial port COM3 are detailed

below.

COM 3

RS-422 Description

Pin 1

TX-

Pin 2

TX+

Pin 6

RX-

Pin 7

RX+

Table 2-9: RS-422 Pinouts

COM 3

RS-485 Description

Pin 1

Data-

Pin 2

Data+

Table 2-10: RS-485 Pinouts