User manual

NANO-GX User Manual
Page 73
Figure 4-8: PC/104-Plus VIO Voltage & SERIRQ Select Jumper Pinout
Location
4.3.7 RS-422/485 Serial Port Select Jumper
Jumper Label: JP4
Jumper Type:
3-pin header
Jumper Settings:
See
Table 4-8
Jumper Location:
See
Figure 4-9
The RS-422/485 Serial Port Select jumper configures the serial port connector as an
RS-422 serial port or as an RS-485 serial port. The RS-422/485 Serial Port Select jumper
selection options are shown in
Table 4-8.
JP4 Description
1 – 2 RS-422 Default
2 – 3 RS-485
Table 4-8: RS-422/485 Serial Port Select Jumper Settings
The RS-422/485 Serial Port Select jumper location is shown in Figure 4-9 below.