Advantech PCM-9587 user manual Jumpers setting drawing

2.1Jumpers

The PCM-9587 has a number of jumpers that allow you to configure your system to suit your application. The table below lists the functions of the various jumpers.

Table 2.1: Jumpers

Label	Function
J1	LCD Voltage Select
J2	PC104+ VIO Select
J3	Clear CMOS function Select
J5	COM2 RS232/422/485 function Select

2.1.1Jumpers setting drawing

Table 2.2: J1: LCD Voltage Select

PINFUNCTION

1-2			+3.3 V*
2-3			+5 V
1	2	3	1	2	3

Table 2.3: J2: PC104+ VIO Select

PIN			FUNCTION
1-2			VIO = +5 V *
2-3			VIO = +3.3 V
1	2	3	1	2	3

Table 2.4: J3: Clear CMOS function Select

PIN		FUNCTION
1-2	Open	Normal*
1-2	Close	Clear CMOS
	1	2

PCM-9587 User Manual 6