Quick-Start Guide
FTDI USB-A to RS232 DB9 Null Modem Serial Adapter Cable – M/F
Product ID
1P1FFCN-USB-SERIAL
1P3FFCNB-USB-SERIAL
1P6FFCN-USB-SERIAL
1P10FFCN-USB-SERIAL
| Component | Function | |
| 1 | Serial Port DB9 | • Connect to a Serial Peripheral Device |
| 2 | DB9 Screws | • Used to secure the Serial DB9 Port to the Serial Peripheral Device • The included DB9 Nuts can be installed for compatibility with Serial Peripheral Devices or Cables • 1P1FFCN-USB-SERIAL comes with the DB9 Nuts pre-installed and the DB9 Screws included |
| 3 | LED Indicators | • Data Receive LED: Flashes Green to indicate activity • Data Transmit LED: Flashes Yellow to indicate activity • USB LED: Solid Blue to indicate driver has been installed, and USB connection enumerated |
| 4 | USB Type A Port | • Connect the USB to Serial Adapter to an available USB-A Port |
Package Contents
1P3FFCNB-USB-SERIAL
1P6FFCN-USB-SERIAL
1P10FFCN-USB-SERIAL
• USB to Serial Adapter x 1
• DB9 Nuts x 2
• Quick-Start Guide x 1
1P1FFCN-USB-SERIAL
• USB to Serial Adapter x 1
• DB9 Screws x 2
• Quick-Start Guide x 1
Requirements
- USB Type-A Enabled Computer x 1
For the latest drivers/software, product information, technical specifications, and declarations of conformance, please visit: www.StarTech.com/1P1FFCN-USB-SERIAL
www.StarTech.com/1P3FFCNB-USB-SERIAL
www.StarTech.com/1P6FFCN-USB-SERIAL
www.StarTech.com/1P10FFCN-USB-SERIAL
Pinout Diagram
DB-9 Female
| Pin | RS-232 |
| 1 | DCD |
| 2 | TXD |
| 3 | RXD |
| 4 | DSR |
| 5 | GND |
| 6 | DTR |
| 7 | CTS |
| 8 | RTS |
| 9 | RI |
Installation
Install the Driver and Adapter
Note: Drivers should install automatically in most supported operating systems. If they do not, please complete the following steps:
- Navigate to:
www.StarTech.com/1P1FFCN-USB-SERIAL
www.StarTech.com/1P3FFCNB-USB-SERIAL
www.StarTech.com/1P6FFCN-USB-SERIAL
www.StarTech.com/1P10FFCN-USB-SERIAL - Click the Drivers/Downloads tab.
- Under Driver(s), download the appropriate Driver Package for your operating system.
To view manuals, FAQs, videos, drivers, downloads, technical drawings, and more, visit www.startech.com/support.
Manual Revision: September 11, 2024
Windows
- Right-click the downloaded file and extract the contents with Extract All.
- Browse the Windows folder and run the Setup file.
- Follow the on-screen instructions to complete the installation.
- Connect the USB to Serial Adapter to an available USB-A port.
macOS
- Double-click the downloaded file.
- Open the folder that matches your macOS Version and run the Installer file inside the folder.
- Follow the on-screen instructions to complete the installation.
- Connect the USB to Serial Adapter to an available USB-A port.
Verify Driver Installation
Windows
- Navigate to the Device Manager.
- Under Ports (COM & LPT), right-click COM Port and click Properties.
- Confirm that the Driver is installed and working as expected.
macOS
- Navigate to System Information.
- Expand the Hardware section and click USB.
- Confirm that COM Port appears in the list.
Regulatory Compliance
FCC Compliance Statement
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. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
– Reorient or relocate the receiving antenna.
– Increase the separation between the equipment and receiver.
– Connect the equipment to an outlet on a different circuit than the receiver.
– Consult the dealer or an experienced radio/TV technician for help.
Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the device. If shielded interface cables are included with the product, or if additional components or accessories are designated for use with the installation, they must be used to ensure compliance with FCC regulations.
ISED Statement / Déclaration d’ISDE
CAN ICES-003(B) / NMB-003(B)
This Class B digital apparatus complies with Canadian ICES-003.
This device complies with ISED Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device.
Warranty Information
This product is backed by a two-year warranty.
For further information on product warranty terms and conditions, please refer to www.startech.com/warranty.
Limitation of Liability
In no event shall the liability of StarTech.com Ltd. and StarTech.com USA LLP (or their officers, directors, employees or agents) for any damages (whether direct or indirect, special, punitive, incidental, consequential, or otherwise), loss of profits, loss of business, or any pecuniary loss, arising out of or related to the use of the product exceed the actual price paid for the product. Some states do not allow the exclusion or limitation of incidental or consequential damages. If such laws apply, the limitations or exclusions contained in this statement may not apply to you.
StarTech.com Ltd.
45 Artisans Crescent
London, Ontario
N5V 5E9
Canada
StarTech.com LLP
4490 South Hamilton
Road
Groveport, Ohio
43125
U.S.A.
StarTech.com Ltd.
Unit B, Pinnacle 15
Gowerton Road
Brackmills,
Northampton
NN4 7BW
United Kingdom
StarTech.com Ltd.
Siriusdreef 17-27
2132 WT Hoofddorp
The Netherlands
FR: startech.com/fr
DE: startech.com/de
ES: startech.com/es
NL: startech.com/nl
IT: startech.com/it
JP: startech.com/jp
Documents / Resources
 |
StarTech com 1P1FFCN-USB-SERIAL USB to Null Modem Serial Cable [pdf] User Guide 1P1FFCN-USB-SERIAL, 1P3FFCNB-USB-SERIAL, 1P6FFCN-USB-SERIAL, 1P10FFCN-USB-SERIAL, 1P1FFCN-USB-SERIAL USB to Null Modem Serial Cable, 1P1FFCN-USB-SERIAL, USB to Null Modem Serial Cable, Modem Serial Cable, Serial Cable |