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3.3.1 COM3 RS422/RS485 Select Jumper
Jumper Label: JP1
Jumper Type: 3-pin header
Jumper Location: See Figure 3-21
Jumper Settings:
See Table 3-20
The COM3 RS422/RS485 Select jumper sets the COM3 connector type to RS-422 or
RS-485.
JP1 Description
1-2 UART-2 RxD Signal connect to RS-422 (Default)
2-3 UART-2 RxD Signal connect to RS-485
Table 3-20: COM3 RS422/RS485 Select Jumper Settings
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