Jumper Settings; Figure 2-4: Jumper Settings - Advantech PCM-5820 Manual

2.4.1 Jumper settings

J5: Buzzer
Pins Result
1 - 2
*Closed Enable
Open Disable
* default setting
14 PCM-5820/5820L User's Manual
J2: clear CMOS
Closed Pins Result
*1 - 2 3 V battery on
2 - 3 Clear CMOS
J3: Watchdog timer
Closed Pins Result
*1 - 2 Reset
2 - 3 IRQ11
1
1
1
1

Figure 2-4: Jumper settings

J6: LCD power
Closed
Pins
*1 - 2
2 - 3
5
J4: COM2 Selector
Closed Result
Pins
*1 - 2 RS-232
3 - 4 RS-422
5 - 6 RS-485
1
J1: Audio power source
Closed Voltage
Pins
*1 - 2 5 V
2 - 3 12 V
Voltage
5 V
3.3 V
1