User Manual

Table Of Contents
AFL-xxA-N26 Series Panel PC
Page 47
Figure 3-15: RS-232/422/485 Serial Port Select Jumper Location
3.8.5.1 COM4 RS-422 and RS-485 Pinouts
The pinouts for RS-422 and RS-485 operation of external serial port COM 4 are detailed
below.
COM 4 RS-422 Description
Pin 1 TX-
Pin 2 TX+
Pin 6 RX-
Pin 7 RX+
Table 3-6: RS-422 Pinouts
COM 4 RS-485 Description
Pin 1 Data-
Pin 2 Data+
Table 3-7: RS-485 Pinouts