NUUO SCB-A08 - Page 7

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Fig. 3. Pin Terminal block
Pin
RS232
RS422
RS485
1
RXD(+)
2
RXD
RXD(-)
3
TXD
TXD(+)
D(+)
4
TXD(-)
D(-)
5
GND
GND
GND
Fig. 4. Serial port DTE – BD-9 male
Pin
RS232
RS422
RS485
1
DCD
RXD(-)
2
RXD
RXD(+)
3
TXD
TXD(+)
D(+)
4
DTR
TXD(-)
D(-)
5
GND
GND
GND
6
DSR
CTS(-)
7
RTS
CTS(+)
8
CTS
RTS(+)
9
RI
RTS(-)
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