28
2
Hardware Installation
REV
.1
COM 1 COM 2 RS232/Power Select
COM 1
COM 2
JP5
JP3
6
2
5
1
6
2
5
1
1-3, 2-4 On:
RS232 standard
(default)
3-5 (+5V), 4-6 (+12V) On:
RS232 with power
JP3/JP5
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 1 / COM 2
6
4
2
5
3
1
6
4
2
5
3
1
JP5 (for COM1) and JP3 (for COM2) are used to configure the COM ports to
RS232 or RS232 with power.