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Chapter 4 Jumper Settings and Connectors
31
4.1.2 Jumpers and switch
The motherboard of the PPC-S123 has a number of jumpers that allow
you to configure your system to suit your applications. The table
below lists the function of each of the board’s jumpers.
Table 4-1: Jumpers and their functions
Label Function
JP2 COM2 RS-232/422/485 setting
JP3 COM2 RS-232/422/485 setting
JP4 COM2 RS-232/422/485 setting
JP5 COM3 / COM4 Pin 9 output type setting
JP6 Watchdog timer configuration
JP7 CMOS clear for external RTC