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1.4 Jumper Setting
JCMOS：CMOS Clear
Pin No.
Function
Normal Operation (Default)
Jumper
Setting
JCOM1/ JCOM2/ JCOM4/ JCOM5/ JCOM6：COM1/ COM2/ COM4/ COM5 / COM6
(5V/12V/RI) Select
Pin No.
Function
Jumper Setting
JCOM4_SEL：COM4 (VFD / RS232) Select
Pin No.
Function
VFD (Default)
Jumper
Setting
FEB-9457 User's Manual
1-2
3 2 1
3 2 1
1-2
+5V
5 3 1
5 3 1
6 4 2
6 4 2
1-2, 3-5, 4-6
5 3 1
5 3 1
6 4 2
6 4 2
Clear CMOS Contents
3-4
Modem Ring In
(Default)
5 3 1
5 3 1
6 4 2
6 4 2
RS232
10
2-3
3 2 1
3 2 1
5-6
+12V
5 3 1
5 3 1
6 4 2
6 4 2
1-3, 2-4
5 3 1
5 3 1
6 4 2
6 4 2
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