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CONNECTORS
Male DB9 serial connector
Pin
RS232
RS422/485
4 wires
RS485
2 wires
1
DCD
2
Rx
3
Tx
TxB (B)
4
DTR
RxB (B’)
TxRxB (BB’)
5
GND
C
C
6
DSR
7
RTS
8
CTS
TxA (A)
9
RI
RxA (A’)
TxRxA (AA’)
Internal spring clamp connector
Pin
RS232
RS422/485
4 wires
RS485
2 wires
Color
1
Rx
[1]
2
CTS
TxA (A)
3
DSR
4
DCD
5
RI
RxA (A’)
TxRxA (AA’)
6
Tx
TxB (B)
7
RTS
8
DTR
RxB (B’)
TxRxB (BB’)
9
GND
C
C
[1] The wire colors are indicated on the label attached to the inside of the product under the cover plate.
Power supply con9 – 50 V (J1)
Pin
Signal name
Color
1
- (GND)
Black
2
+V
Red
The product can handle power supply wires inversion.
SPECIFICATIONS
All dimensions are given in mm.
DB9 connector
6 7 8 9
1 2 3 4 5