4
POS-760F Startup Manual
J15 & J16: COM2 RS-232, RS-422, RS-485 select
J15
J16
Closed Pins
Closed Pins Result
1-3, 2-4
1-3, 2-4
RS-232*
3-5, 4-6
3-5, 4-6
RS-422
3-5, 4-6
3-5, 4-6
RS-485
J17: Clear RTC
Closed pins
Result
1-2
RTC*
2-3
Clear RTC
J18: COM3, COM4 R1/power select
Closed pins
Result
4-6
COM3 (+12 V)
2-4
COM3 (+5 V)*
3-5
COM4 (+12 V)
1-3
COM4 (+5 V)*
J19: COM3, COM4 R1/power select
Closed pins
Result
2-4
COM3 Power
4-6
COM3 RI*
1-3
COM4 Power
3-5
COM4 RI*
POS-760F Mechanical Drawings
Board Dimensions (solder side)
Board Dimensions (component side)
1
1
1
RS232*
RS422
RS485
1
1
1
2
2
2
RS232*
RS422
RS485
J15
J16
+3.3 V LCD
+5 V LCD*
J22: LCD power
Closed pins
Result
1-3, 2-4
+5 V LCD panel*
3-5, 4-6
+3.3 V LCD panel
* default setting
RTC*
Clear RTC
1
1
1
2
1
2
1
2
1
2
COM3 12V
COM3 5V* COM4 12V
COM4 5V*
1
2
1
2
1
2
1
2
COM3 PWR COM3 RI* COM4 PWR COM4 RI*