30cm USB-A to RS-232 Straight-Through Serial Adapter
Add a compact DB9 RS-232 port to a USB-A computer with a 30cm straight-through FTDI adapter featuring COM retention, activity LEDs and Level-4 ESD protection.
Key features
Straight-through DTE serial
Add an RS-232 serial port to a USB-A desktop or laptop for compatible legacy, industrial, commercial and scientific equipment.
FTDI FT232R chipset
Provides RS-232 conversion at up to 921.6Kbps, with COM-port retention for consistent reassignment after reconnection or reboot.
Three diagnostic LEDs
Receive, transmit and USB-status indicators help confirm port activity, driver installation and USB enumeration.
Rugged protected construction
A one-piece TPE housing, copper shielding, gold-plated connectors and Level-4 ESD protection support dependable operation.
What to know
Connect established RS-232 equipment
Use a modern USB-A computer with compatible point-of-sale terminals, PLCs, sensors, laboratory instruments, scanners, printers, modems and other DB9 serial devices.
Choose the correct serial wiring
This model provides a DB9 male straight-through DTE connection. It is not a null-modem crossover adapter. Confirm the connector gender, pinout and software requirements of the target equipment before ordering.
Australian version with official StarTech.com warranty
2-Year manufacturer warranty
This is the Australian version supplied by DeviceDeal and is covered by a two-year official StarTech.com manufacturer warranty in Australia. Keep your DeviceDeal invoice as proof of purchase. Warranty coverage and claims are subject to StarTech.com warranty terms and product assessment.
StarTech 1P1FFC-USB-SERIAL FAQ
What does the 1P1FFC-USB-SERIAL do?
Add an RS-232 serial port to a USB-A desktop or laptop for compatible legacy, industrial, commercial and scientific equipment.
Is the 1P1FFC-USB-SERIAL straight-through or null modem?
It is a straight-through DTE adapter with a DB9 male serial connector; it is not a null-modem crossover cable.
What is the maximum serial speed?
The listed maximum baud rate is 921.6Kbps, subject to the connected equipment, driver and serial configuration.
Which operating systems are supported?
StarTech lists Windows 7, 8/8.1 and 11 ARM; Windows Server; macOS 10.9 to 14; Linux LTS 4.15 and later; and ChromeOS as listed in the supplied specification. Always confirm the exact current version on the official support page before deployment.
Does it require external power?
No. The adapter is powered through the computer's USB-A port.
What do the LED indicators show?
The receive LED flashes green, the transmit LED flashes yellow and the USB LED shows that the driver is installed and the connection is enumerated.
What is included in the package?
The package includes 1 usb-to-serial adapter, 2 db9 screws and 1 quick-start guide.
What warranty covers the 1P1FFC-USB-SERIAL?
This Australian-version product is covered by a two-year official StarTech.com manufacturer warranty in Australia. Keep the DeviceDeal invoice as proof of purchase; claims remain subject to StarTech.com terms and assessment.
