IEI Integration WAFER-LX v1.22 - Manual (Page 89)

WAFER-LX Motherboard
Page 71
5.5.2 COM3 Setup Jumper Settings
Jumper Label: JP2
Jumper Type: 3-pin header
Jumper Settings: See Table 5-4
Jumper Location: See Figure 5-2
This jumper settings sets the COM3 serial port as RS-422 or RS-485.
COM3 Setup Description
1-2 RS-422 Default
2-3 RS-485
Table 5-4: COM3 Setup Jumper Settings
5.5.3 COM1 and COM2 Pin 9 Setup (Optional Jumper)
Jumper Label: JP3
Jumper Type: 10-pin header
Jumper Settings: See Table 5-5 and Table 5-6
Jumper Location: See Figure 5-2
Pin 9 on COM1 and COM2 can be configured as RI or to supply 5 V or 12 V of power.
COM1 Setup Description
1-3 12 V
3-5 or 5-7 5 V
7-9 RI Default
Table 5-5: COM1 Pin 9 Setup