Quatech user manual RS-422/485 Peripheral Connection, DSC-200/300 connector definitions

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.

SignalDescription	D-9 Connector Pin
TxD+	2
TxD-	7
RxD+	4
RxD-	8
AUXOUT+	1
AUXOUT-	6
AUXIN+	5
AUXIN-	9
GND	3

Figure 26 --- DSC-200/300 connector definitions

5

9

4

8

3

7

2

6

1

D-9 connector (CN2 and CN3)

Figure 27 --- DSC-200/300 output connectors

Quatech DSC-200/300 User's Manual 35