Quick-start guide
USB-C™ to RS232 Serial DB9 Adapter Cable
ICUSB232C
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
Product diagram
USB-C connector
RS-232 DB9 male pinout
1
6
Package contents
• 1 x serial adapter cable
• 1 x quick-start guide
For the latest information, technical specifications, and support for
this product, please visit www.StarTech.com/ICUSB232C.
DB9M RS232 connector
Pin 1
DCD
Pin 2
5
RXD
Pin 3
TXD
Pin 4
DTR
Pin 5
GND
Pin 6
DSR
Pin 7
RTS
9
Pin 8
CTS
Pin 9
RI
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.
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.
Manual Revision: 09/25/2017
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