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Item#: 9SIA4M533A9612

StarTech Model ICUSB2321F 6 ft. 1 Port FTDI USB to Serial RS232 Adapter Cable with COM Retention M-M

  • 2 Connector Number
  • Black
  • M-M

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews
  • newegg USB to straight-through RS232 serial adapter The StarTech ICUSB2321F converts a USB 1.1 or 2.0 port into an RS232 serial DB9 port, Perfect for adding legacy functionality to newer notebooks, PCs and servers that lack an integrated RS232 port.
  • newegg Ideal for any setup The FTDI chipset is highly customizable and compatible, making it the ideal solution for any setup. The simple installation and operation with COM port retention provides robust serial connectivity for legacy devices.
  • newegg Portable USB-Powered design The Portable USB-Powered design requires no bulky power adapter or outlet.

Learn more about the STARTECH ICUSB2321F

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years
  • Read full details

Customer Reviews of the STARTECH ICUSB2321F

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  • TAL O.
  • 4/27/2015 10:39:07 PM
  • Ownership: 1 month to 1 year

5 out of 5 eggsBest usb rs232 cable

Pros: this cable is by far the best one i've used. especially considering all the chinese knockoffs this one is top notch.

Cons: non

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  • John C.
  • 1/3/2015 10:24:03 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsPlug-n-play

Pros: Works out of the box. Did not have to download or install any software

Cons: none

Other Thoughts: Plugged into my Gigabyte motherboard which does not have an RS232 port -worked immediately.

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  • Thomas B.
  • 11/13/2014 10:34:24 AM
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsExcellent product!

Pros: Just works. Good price and free shipping, which came fairly quickly.

Cons: none.

Other Thoughts: I purchased this to be able to test some legacy serial equipment on my company laptop that doesn' have a serial port. Installation was a snap. We have 4 different peices of equipment and all the connections worked perfectly including hyperterminaling into a 3COM managed switch. I highly recommend this adapter. As soon as my manager gives me th go ahead, i am sending a link to my fellow techs so they can get one also.

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  • David M.
  • 8/9/2014 6:10:54 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsCradlepoint Adapter

Pros: These work perfect with Cradlepoint devices

Cons: Nothing

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  • PETER D.
  • 5/30/2014 7:41:58 AM
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsExcellent Product

Pros: Retains Com Settings
Compatible with every device I have connected to

Cons: A little bulky to haul around. Would love one with a shorter cord.

Other Thoughts: I have bought at least half a dozen of these and I will keep on buying them. I use them to connect to modems, security/access/fire panels, phone systems, etc.

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  • Joseph L.
  • 4/9/2014 1:29:40 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsWorks Like a Charm

Pros: This adapter was immediately recognized and installed by my Win7 x64 system, and I was able to communicate through the COM port successfully.

Cons: None so far.

Other Thoughts: An installation CD was included, but I didn't need it.

I was successfully able to make my new Win7 x64 system output to a 25+ year-old HP 7475A pen plotter!

1 out of 1 people found this review helpful. Did you? Yes No

  • Sally V.
  • 12/11/2013 9:30:25 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat product!

Pros: Fast, does not interfere with software, saves port assignments

Cons: Little larger than it needs to be. Purely cosmetic complaint, we really don't care.

Other Thoughts: We run a small business that must have serial port printers. We had been using a Belkin cable, which we didn't even know was interfering with our point of sale system (we blamed our new HP computers). When one finally died, we ordered this cable - and are thrilled. It solved compatibility issues that we didn't even know came from the cable, and now our system runs faster and more reliably. Great buy! Yes, the housing is a little larger than it needs to be - but we could care less. We were so pleased with the first that we ordered another, and are now ordering one more so all our computers will use this cable. Would definitely recommend.

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  • Susan P.
  • 12/4/2013 6:40:23 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsWorks in win7

Pros: Painless to install since you do not need to crack open the machine, connects to USB port. Software installed without any problems.

Cons: Don't waste your time on cheaper devices, buy only ones confirmed to work with your operating system.

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  • Brian B.
  • 10/15/2013 6:21:11 PM
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsVery Pleased!

Pros: Does exactly what I wanted it to do. Installed the drivers, executed putty, connected to my old Cisco router!

Cons: None so far!

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  • Michael P.
  • 9/10/2013 8:57:10 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsWorks where others would not

Pros: It works! Easy to install and I was able to communicate with RS232 device first time. Much more reliable than the prolific chip set, which was extremely unstable.

This is the third or 4th USB to RS232C adapter and the first that works for all my devices with out a driver reload.

Cons: A TX/RX LED would be nice

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Home > 
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STARTECH > 
Item#: 9SIA4M533A9612
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