IEI Integration AFL-xxA-N270-Series v2.30 - Manual (Page 56)

AFL-xxA-N270 Series Panel PC
Page 40
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
7
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
7
Figure 4-11 .
Figure 4-11: COM3 RS-232/422/485 Serial Port Select Jumper Location
4.9.8 CompactFlash® Setup
Jumper Label: JCF1
Jumper Type: 2-pin header