IEI Integration AFL-W10A-N270 v1.00 - Manual (Page 34)

AFL-W10A-N270 User Manual
Page 34
2.5.5 COM3 RX Function Select Jumper
Jumper Label: JP9
Jumper Type: 8-pin header
Jumper Settings: See Table 2-6
Jumper Location: See Figure 2-7
The COM3 RX Function Select jumper sets the communication protocol used by the
COM3 port as RS-232, RS-422 or RS-485. The settings are shown in Table 2-6.
COM3 RX Function Select Description
1-2 Detect BIOS
RS232/422/485
Short 3-4 RS-232 Default
5-6 RS-422
7-8 RS-485
Table 2-6: COM3 RX Function Select Jumper Settings
The COM3 RX Function Select jumper location is shown in Figure 2-7.
Figure 2-7: COM3 RX Function Select Jumper Location