7
(3) COM3_SEL (4-pin): DUAL_RS485 COM3 RS232/RS485 Select
3-4 Closed:
RS485.
1-2 Closed:
RS232
(Default)
;
4
2
1 3
4
2
1 3
(4) COM4_SEL (4-pin): DUAL_RS485 COM4 RS232/RS485 Select
3-4 Closed:
RS485.
1-2 Closed:
RS232
(Default);
1
3
4 2
1
3
4 2
(5) PS2_VCC (3-pin): PS2_CON1 VCC 5V/5VSB Select
2-3 Close:
5VSB.
1-2 Close:
5V
(Default)
;
1
3
1
3
(6) JBAT (3-pin): Clear CMOS Setting
2-3 Close:
5VSB.
1-2 Close:
5V
(Default)
;
1
3
1
3
JBAT
COM3_SEL
COM4_SEL
PS2_VCC
