15
COM1: External Dual RS-232 Connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
DCD1
10
DCD2
2
RXD1
11
RXD2
3
TXD1
12
TXD2
4
DTR1
13
DTR2
5
GND1
14
GND2
6
DSR1
15
DSR2
7
RTS1
16
RTS2
8
CTS1
17
CTS2
9
RI1
18
RI2
CN2: External 12V DC Input Jack
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
+12V
3
GND
2
GND