8 com3 rs-232/422/485 serial port select jumper – IEI Integration AFL-F08A v2.21 User Manual
Page 39

AFL-F08A-N270 Panel PC
Page 27
3.7.8 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
5
Table 3-10
Jumper Location:
See
5
Figure 3-12
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
5
Table 3-10
.
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 3-10: COM3 RS-232/422/485 Serial Port Select Jumper Settings
The COM3 RS-232/422/485 Serial Port Select jumper location is shown in
5
Figure 3-12
.