Quatech Asynchronous Communications Adapter DSC-200/300 - Manual (Page 35)

8.7 RS-422/485 Peripheral Connection
The DSC-200/300 connects to peripheral equipment through two female D-9
connectors. The serial port connector definitions are listed in Figure 26.
3 GND
9 AUXIN-
5 AUXIN+
6 AUXOUT-
1 AUXOUT+
8 RxD-
4 RxD+
7 TxD-
2 TxD+
D-9 Connector Pin SignalDescription
Figure 26 --- DSC-200/300 connector definitions
1
2
3
4
5
6
7
8
9
D-9 connector
(CN2 and CN3)
Figure 27 --- DSC-200/300 output connectors
Quatech DSC-200/300 User's Manual 35