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FX2N-32DP-IF Profibus-DP Interface Unit Introduction 1
1-3
1.2.1 Pin Configuration
The connector is a 9-pin D-SUB type and the pin configuration is shown below.
Figure 1.2:Pin Layout 9-pin D-SUB
Table 1.1: Pin Configuration
Connector Signal Meaning
3
RXD/TXD-P Receive/transmit-Data-P(+)
4
RTS Request to send
5
DGND Data Ground
6
VP Voltage-Plus(+)
8
RXD/TXD-N Receive/transmit-Data-N(+)
1,2,7,9
NC Pin not assigned
Assigned
Not assigned
1
2
6
3
79
5
4
8