User`s manual

Table Of Contents
PCM-3347 User’s Manual 98
Pin 1-2 RS232
Pin 3-4 RS422
Pin 5-6 RS485
Clear CMOS (J2)
Pin 1-2 Clear CMOS
Pin 2-3 RTC Power
Setting WatchDog trigger event
(J3)
Pin 1-2 IRQ11
Pin 2-3 Reset
Table C.17: I2C BUS connector (CN4)
Pin 1 I2C DATA