7 com3 rs-232/422/485 serial port select jumper – IEI Integration AFL2-W15A-N270_W15A-L325 v1.01 User Manual
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AFL2-W15A-N270/L325 Panel PC
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2.7.7 COM3 RS-232/422/485 Serial Port Select Jumper
Jumper Label:
JP10 (AFL2-W15A-N270)
JP9
(AFL2-W15A-L325)
Jumper Type:
12-pin header (four 3-pin headers combined)
Jumper Settings:
See Table 2-11
Jumper Location:
See Figure 2-14
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 2-11.
JP10 (N270)
JP9 (L325)
Description
Short 1-2, 4-5, 7-8, 10-11
RS-232 (Default)
Short 2-3, 5-6, 8-9, 11-12
RS-422/485
Table 2-11: 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 2-14.