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Quick-start guide

DE:

 Bedienungsanleitung - de.startech.com

FR:

 Guide de l'utilisateur - fr.startech.com

ES:

 Guía del usuario - es.startech.com

IT:

 Guida per l'uso - it.startech.com

NL:

 Gebruiksaanwijzing - nl.startech.com

PT:

 Guia do usuário - pt.startech.com

Manual Revision: 05/08/2017

For the latest information, technical specifications, and support for 

this product, please visit www.StarTech.com/ICUSB232C.

Package contents

•  1 x serial adapter cable

•  1 x quick-start guide

ICUSB232C

USB-C™ to RS232 Serial DB9 Adapter Cable

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

RI

RS-232 DB9 male pinout

1

5

6

9

Requirements

•  USB Type-C™ port

•  A computer system running any of the following operating 

systems:

•  Windows® 10

•  Windows 8.1 

•  Windows 8 

•  Windows 7

•  Windows Server® 2016

•  Windows Server 2008 R2

•  Windows Server 2012 R2

•  macOS 10.12

•  macOS 10.11

•  Linux® 2.6.

x

 to 4.4.

x

 LTS versions only

Requirement are subject to change. For the latest requirements, 

please visit 

www.StarTech.com/ICUSB232C

.

Product diagram

USB-C connector

DB9M RS232 connector

Install the adapter cable

Windows

1.  In a web browser, navigate to 

www.StarTech.com/ICUSB232C

.

2.  Click the 

Support

 tab.

3.  Under 

Driver(s)

, download the 

[Prolific_PL2303] Windows USB 

Serial Adapter.zip

 file.

4.  Right-click the folder that you downloaded and click 

Extract All

.

5.  Right-click the 

Setup.exe 

file and click 

Run as Administrator

.

6.  Follow the on-screen instructions to complete the installation.

7.  When prompted, restart your computer.

8.  Connect the serial adapter cable to a USB port.

macOS

1.  In a web browser, navigate to 

www.StarTech.com/ICUSB232C

.

2.  Click the 

Support 

tab.

3.  Under 

Driver(s)

, download the 

[Prolific_PL2303] Mac USB Serial 

Adapter.zip

 file.

4.  Right-click the folder that you downloaded and click

 Extract All

.

5.  Double-click the 

Mac

 folder.

6.  Double-click the folder for the version of macOS that you’re 

running.

7.  Run the installer application and follow the on-screen instructions 

to complete the installation.

8.  When prompted, restart your computer.

9.  Connect the serial adapter cable to a USB port.

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