User Guide

Quick-Start Guide

To view manuals, FAQs, videos, drivers, downloads, technical drawings, and more, visit www.startech.com/support.

Manual Revision: March 4, 2022

Product Diagram (1P3FPC-USB-SERIAL)

Port/LED/

Connector

Function

1 Serial Port DB-9 • Connect Serial Peripheral Devices

2 USB Type A Port

• Connect the USB to Serial Adapter Cable to a Host

Computer

Pinout Diagram

3 ft. (1 m) USB-A to RS232 DB9 Serial Adapter Cable with COM Retention - M/M

Package Contents

• USB to Serial Adapter Cable x1

• Quick-Start Guide x1

Requirements

For the latest requirements, please visit

www.startech.com/1P3FPC-USB-SERIAL

• Computer with an available USB Type A port

Installation

Install the Driver

1. Navigate to

www.startech.com/1P3FPC-USB-SERIAL

2. Click the Drivers/Downloads tab.

3. Under Driver(s), download the Driver Package for your operating system.

Windows

1. Right-click the downloaded le and extract the contents with Extract All.

2. Browse the Windows folder and run the Setup le.

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

4. Connect the USB to Serial Adapter Cable to an available USB port.

macOS

1. Double-click the downloaded le.

2. Open the folder that matches your macOS Version and run the Setup le inside the

folder.

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

4. Connect the USB to Serial Adapter Cable to an available USB port.

Verify Driver Installation (Windows)

1. Navigate to the Device Manager.

2. Under Ports (COM & LPT), right-click Prolic USB-to-Serial Comm Port and click

Properties.

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Quick-Start Guide 3 ft. (1 m) USB-A to RS232 DB9 Serial Adapter Cable with COM Retention - M/M Package Contents Product Diagram (1P3FPC-USB-SERIAL) • USB to Serial Adapter Cable x1 • Quick-Start Guide x1 Requirements For the latest requirements, please visit www.startech.com/1P3FPC-USB-SERIAL • Computer with an available USB Type A port Installation Install the Driver 1. Navigate to www.startech.com/1P3FPC-USB-SERIAL 2 1 2. Click the Drivers/Downloads tab. 3.
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3. Confirm that the Driver is installed and working as expected. macOS 1. Navigate to System Information. 2. Expand the Hardware section and click USB. 3. Confirm that Prolific USB-to-Serial Comm Port appears in the list. Regulatory Compliance Warranty Information FCC - Part 15 This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules.