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StarTech 6ft USB to Null Modem Serial Adapter Cable (1P6FFCN-USB-SERIAL) | USB-A to RS232, Changeable DB9 Screws Nuts, FTDI, COM Retention, LED Indicators

StarTech 6ft USB to Null Modem Serial Adapter Cable (1P6FFCN-USB-SERIAL)

Bottom line: The StarTech 6ft USB to Null Modem Serial Adapter Cable is a specs-and-price decision rather than a crowd-consensus one in the cables & connectors category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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Before you buy

  • Check the listed dimensions, connectors and platform compatibility against your setup before ordering
  • Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

Add RS-232 DCE serial communications support to a desktop or laptop computer and resolve DCE/DTE conflicts directly without the need for additional cross-wired serial cables or adapters. The 6.6ft (2m) Null Modem USB Serial Adapter adds an RS-232 serial DB/DE-9 (female) connector to a desktop or laptop via a USB Type-A port. Secure the adapter to a serial device, using pre-installed and removable slotted D-Sub thumbscrews or install the included DB-9 Nuts for compatibility with other serial peripheral devices or cables. Data transmission and reception LED indicators on the adapter provide…

SpecPicks Verdict

SpecPicks scored StarTech 6ft USB to Null Modem Serial Adapter Cable using a rating × review-volume × price-fit model applied to published specs and reviews across the cables & connectors category. Compare with similarly-priced alternatives in the cables & connectors category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for cables & connectors of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • INTERCHANGEABLE NUTS & SCREWS: Secure the adapter to a serial device using the pre-installed DB9 screws, or install the included DB9 Nuts for compatibility with serial peripheral devices/cables; Add a null modem RS232 port to a computer using a USB-A port
  • LED INDICATORS: Transmit and Receive LED indicators offer real-time monitoring of port activity, while the USB LED indicates when the adapter is successfully recognized by the desktop or laptop
  • COMPATIBILITY: Works with Windows, macOS, ChromeOS, and Linux; Drivers auto-install in Windows 7+, macOS 10.15+, and Linux; COM retention enables the COM port to automatically re-assign; Resolve DCE/DTE conflicts without using cross-wired cables/adapters
  • BUILD QUALITY: Solid one-piece molded TPE housing and Level-4 ESD protection (15kV air/8kV contact) enhance reliability and longevity; Copper shielding minimizes EMI/RFI interference; Gold-plated connectors; Extended operating temperature of -40°C to 80°C
  • TECH SPECS: 6.6-foot (2-meter) Cable Length; FTDI FT232R Chipset; Max Baud Rate: 921.6Kbps; 128 Byte RX and 256 Byte TX FIFO; Odd/Even/Mark/Space/None Parity Modes; 7 or 8 Data Bits; 1 or 2 Stop bits

Full Specifications

BrandStarTech.com
ColorBlack
Unit Count1 Count
ConnectivityUSB
Model Number1P6FFCN-USB-SERIAL
CompatibilityMac, Linux
Warranty TypeLimited
Built-In Media1 USB to Serial Adapter, 2 DB9 Nuts, 1 Quick-Start Guide
Connector Type9 Pin D-Sub, USB Type A
Connection TypeWired
Item Dimensions78.7 x 1.3 x 0.6 inches
Mfr Part Number1P6FFCN-USB-SERIAL
Number of Items1
Power Plug TypeNo Plug
Compatible DevicesLaptop, Personal Computer, Printer, Serial Devices
Warranty Description2-Year
Item dimensions L x W x H78.7 x 1.3 x 0.6 inches
Specific Uses For ProductPC
Full listing titleStarTech 6ft USB to Null Modem Serial Adapter Cable (1P6FFCN-USB-SERIAL) | USB-A to RS232, Changeable DB9 Screws Nuts, FTDI, COM Retention, LED Indicators

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StarTech 6ft USB to Null Modem Serial Adapter Cable (1P6FFCN-USB-SERIAL) | USB-A to RS232, Changeable DB9 Screws Nuts, FTDI, COM Retention, LED Indicators is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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