LE-37I User’s Manual
-15-
2.4.4 <Serial Port interface>
COM1
: RS232 DB9 connector
Pin
Signal
Pin
Signal
1
DCD
2
RXD
3
TXD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
Set by JP1
10
Key
CN_COM3/4
2 1
20 19
COM1
CN_COM5/6
2 1
20 19
CN_COM2
1
2
9
10
JP1 JP2
2
5
6
1
2
5
6
1
1
2
6
5
JCSEL1
12
1
11
2
JCSEL2