IEI Integration AFL-xxA-N270-Series v2.00 - Manual (Page 58)

AFL-xxA-N270 Series Panel PC
Page 43
4.9.7 COM3 RS-232/422/485 Serial Port Select Jumper
Jumper Label: JP6
Jumper Type: 12-pin header (four 3-pin headers combined)
Jumper Settings: See Table 4-10
Jumper Location: See Figure 4-11
The COM3 RS-232/422/485 Serial Port Select jumper sets the communication protocol
used by the second serial communications port (COM3) as RS-232, RS-422 or RS-485.
The COM3 RS-232/422/485 Serial Port Select settings are shown in Table 4-10.
RS-232/485 Select Description
Short 1-2 RS-232 Default
Short 4-5 RS-232 Default
Short 7-8 RS-232 Default
Short 10-11 RS-232 Default
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 4-10: 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 4-11.