Appendix A

Pin outs and Connector

USB Layout Diagram

Type A USB Connector

Type B USB Connector

RS-232 Pin Assignment

The pin assignment scheme for a 9-pin male connector is given below.

PIN 1

: DCD

PIN 2 : RXD

PIN 3 : TXD

PIN 4 : DTR

PIN 5

: GND

PIN 6 : DSR

PIN 7 : RTS

PIN 8 : CTS

PIN 9

: X

 

 

 

RS-232 Wiring Diagram

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Quatech SSU2-400I operation manual Appendix a, Pin outs and Connector