DFI CP337-NRM - Manual (Page 25)

25
2
Hardware Installation
1
COM 2 RS232/Power Select
JP3
JP3
DCD- TD RD D
TR
-
GND
1 2 3 4 5
R
T
S-
RI
-
DSR
-
CT
S-
6 7 8 9
+5V TD RD D
TR
-
GND
1 2 3 4 5
R
T
S-
+12V DSR
-
CT
S-
6 7 8 9
COM 2
6
4
2
5
3
1
6
4
2
5
3
1
1-3, 2-4 On:
RS232 standard
(default)
3-5 (+12V),
4-6 (+5V) On:
RS232 with power
COM 2