IEI Integration AFL-xxA-N270-Series v2.30 - Manual (Page 54)

AFL-xxA-N270 Series Panel PC
Page 38
The COM3 RX Function Select jumper sets the communication protocol used by the RX
serial communications port COM3 as RS-232, RS-422 or RS-485. The COM3 RX
Function Select jumper settings are shown in
7
Table 4-8 .
COM3 RX Function Select Description
Short 1-2 DET BIOS
RS-232/422/485
Short 3-4 RS-232 Default
Short 5-6 RS-422
Short 7-8 RS-485
Table 4-8: COM3 RX Function Select Jumper Settings
The COM3 RX Function Select jumper location is shown in
7
Figure 4-9 .
Figure 4-9: COM3 RX Function Select Jumper Location
4.9.6 COM3 TX Function Select Jumper
Jumper Label: JP11
Jumper Type: 6-pin header
Jumper Settings: See
7
Table 4-9
Jumper Location: See
7
Figure 4-10