LV-6715 User’s Manual
-15-
2.4.4 <Serial Port interface>
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COM1
: RS232/422/485 DB9 connector
Pin
Signal
Pin
Signal
1
DCD/ 422TX-/ 485-
2
RXD/ 422TX+/ 485+
3
TXD
4
DTR
5
GND
6
DSR/ 422RX+
7
RTS
8
CTS/ 422RX-
9
Set by JP1
COM2
: RS232/422/485 DB9 connector
Pin
Signal
Pin
Signal
1
DCD/ 422TX-/ 485-
2
RXD/ 422TX+/ 485+
3
TXD
4
DTR
5
GND
6
DSR/ 422RX+
7
RTS
8
CTS/ 422RX-
9
Set by JP2
COM2
COM1
JP1
6
1
5
2
6
1
5
2
JP2