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1.6 Jumper Setting
WPPC-1501-5250 has a number of jumpers inside the chassis that allow you to
configure your system to suit your application. The table below lists the functions of
the various jumpers.
JCMOS: CMOS Clear
Pin No.
1-2
2-3
Function
Normal Operation (Default)
Clear CMOS Contents
Jumper
Setting
3
2
1
3
2
1
JCOM1/JCOM2/JCOM3/JCOM4/JCOM5/JCOM6: (5V/12V/RI) Select
Pin No.
1-2
3-4
5-6
Function
+5V
Modem Ring In
(Default)
+12V
5 3 1
5 3 1
5 3 1
6 4 2
6 4 2
6 4 2
Jumper Setting
JCOM2_SEL: COM2 (RS-232/RS-422/RS-485) Select (1/3)
Pin No.
5-6, 11-13, 12-14, 19-21, 20-22
3-4, 9-11, 10-12, 17-19, 18-20
Function
RS-232 (Default)
RS-422
Jumper
Setting
23
1
23
1
24
2
24
2
WPPC-1501-5250 User’s Manual
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