Quatech QSC(LP)-300 user manual AUXOUT+ Auxout AUXIN+ Auxin GND

6.9 RS-422/485 Peripheral Connection

The QSC(LP)-200/300 connects to peripheral equipment through four male D-9 connectors. The serial port connector definitions are listed in Figure 10.

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

Figure 9 --- QSC(LP)-200/300 connector definitions

1

6

2

7

8

3

4

9

5

male D-9 connector

Figure 10 --- QSC(LP)-200/300 output connectors

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