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

Chapter 4 Jumper Settings and Connectors

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