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Page 12 of 29
M31010-1e-ID-B.docx
4.3.3. RS232 Interface on connector X4
The RS232 interface is connected on X4. The transmission parameters can be configured by
means of software protocol.
Figure 6: RS232 interface pin-outs on X4
Table 8: Pin Assignment RS232 Interface
Pin Number
at Connector X4
Pin Assignment
1
RS232
– RxD
2
RS232
– TxD
3
GND
Figure 7: Wiring example for connecting the RS232 interface to a 9 pin D-SUB plug