
NANO-LX EPIC SBC
5.6.2 COM1/2 Port RI and Voltage Selection Jumper (Optional)
Jumper Label: JP2
Jumper Type: 10-pin header (2x5 pins)
Jumper Settings: See
Table 5-3
Jumper Location: See Figure 5-4
The optional JP2 jumper sets the COM1/2 port RI and voltage.
JP2 Description
1-3
COM1 RI Pin Use +12V
3-5
COM1 RI Pin Use +5V
7-9
COM1 RI Pin Use RI
2-4
COM2 RI Pin Use +12V
4-6
COM2 RI Pin Use +5V
8-10
COM2 RI Pin Use RI
Table 5-3: JP2 Jumper Settings
5.6.3 COM3 RS422/RS485 Select Jumper
Jumper Label: JP3
Jumper Type: 3-pin header
Jumper Settings: See
Table 5-4
Jumper Location: See Figure 5-4
The JP3 jumper sets the COM3 connector type to RS-422 or RS-485.
JP3 Description
1-2 UART-2 RxD Signal connect to RS-422 (Default)
2-3 UART-2 RxD Signal connect to RS-485
Table 5-4: JP3 Jumper Settings
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