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Page 21
Chapter 1: Specifications
DB9 (Serial) RS-232
Figure 1-13. DB9 serial connector.
Table 1-20. DB9 serial RS-232 connector pinout.
Pin
Signal
Pin
Signal
1
Not connected
6
DSR
2
RxD
7
RTS
3
TxD
8
CTS
4
DTR
0
Not connected
5
GND
—
—
DB9 (Serial) RS-422 Controlled Device
Figure 1-14. DB9 serial connector.
Table 1-21. DB9 serial RS-422 connector pinout, controlled device.
Pin
Signal
Pin
Signal
1
GND
6
Rx GND
2
RxA
7
RxB
3
TxB
8
TxA
4
Tx GND
0
Not connected
5
Not connected
—
—