
LS-573 User’s Manual
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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
EL2
1
2
11
12
1
2
7
8
JCSEL1
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