COMMELL LS-573 - Manual (Page 42)

LS-573 User’s Manual
- 41 -
A.4 <Serial Port 2>
Connector: CN_COM2
Type: 9-pin box header
Pin Description Pin Description
1 DCD/422TX-/485-/+5V 2 RX/422TX+/485+
3 TX/422RX+
4 DTR/422RX-
5 Ground 6 DSR
7 RTS 8 CTS
9 RI /+12V
Setting RS-232, RS-422, RS-485 & IrDA:
Function JCSEL1 JCSEL2
IrDA
RS-422
RS-485
RS-232
1
2
9
10
8 2
7 1
2
1
12
11
1
2
7
8
1
2
7
8
1
2
7
8 2
1
12
11
1
2
11
12
1
2
11
12
JCSEL2
1
2
11
12
1
2
7
8
JCSEL1