IEI Integration AFL-ххA-N26 - Manual (Page 46)

AFL-xxA-N26 Series Panel PC
Page 46
Figure 3-14: COM3 Pin 9 Setting Jumper Location
3.8.5 RS-232/422/485 Serial Port Select Jumper
Jumper Label: JP4
Jumper Type: 12-pin header (four 3-pin headers combined)
Jumper Settings: See Table 3-5
Jumper Location: See Figure 3-15
The RS-232/422/485 Serial Port Select jumper sets the communication protocol used by
the DB-9 serial communications port as RS-232, RS-422 or RS-485. The RS-232/422/485
Serial Port Select settings are shown in Table 3-5.
RS-232/422/485 Select Description
Short 1-2, 4-5, 7-8, 10-11 COM3 RS-232 Default
Short 2-3, 5-6, 8-9, 11-12 COM4 RS-422/485
Table 3-5: RS-232/422/485 Serial Port Select Jumper Settings
The RS-232/422/485 Serial Port Select jumper location is shown in Figure 3-15.