IEI Integration AFL-19i-HM55 v1.01 - Manual (Page 44)

AFL-HM55 Series Panel PC
Page 32
Short 4-5 RS-232
Short 7-8 RS-232
Short 10-11 RS-232
Short 2-3 RS-422/485
Short 5-6 RS-422/485
Short 8-9 RS-422/485
Short 11-12 RS-422/485
Table 3-7: COM3 RS-232/422/485 Serial Port Select Jumper Settings
The COM3 RS-232/422/485 Serial Port Select jumper location is shown in Figure 3-10.
Figure 3-10: COM3 RS-232/422/485 Serial Port Select Jumper Location
3.9.6.1 COM3 RS-422 and RS-485 Pinouts
The pinouts for RS-422 and RS-485 operation of external serial port COM 3 are detailed
below.
COM 3 RS-422 Description
Pin 1 TX-