USB to RS232 DB9/DB25 Serial Adapter

USB to RS232 DB9/DB25 Serial Adapter Cable - M/M


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Description & Features+

The ICUSB232DB25 USB to RS232 DB9/DB25 Serial Adapter Cable (M/M) lets you connect 9-pin (DB9) or 25-pin (DB25) RS232 serial devices to your laptop or desktop computer through a USB port, as though the computer offered an onboard serial port. The integrated 3-foot (0.9 meter) cable allows it to be connected directly from the serial device to the computer without requiring additional cables. A cost-effective solution that bridges the compatibility gap between modern computers and legacy serial peripherals, this high quality USB/RS232 Serial Adapter cable ships with a DB-9 to DB-25 adapter for connection to varied serial equipment. Backed by a 2-year warranty and free lifetime technical support.

Product Label Contents:

3ft USB to RS232 Cable
DB9 to DB25 Serial Adapter
Driver CD
USB powered; No external power adapters neededSupports serial transfer speeds up to 250KbpsIncludes a DB9 to DB25 pin adapter for 25-pin RS232 serial communicationSupports USB transfer speeds up to 12MbpsPlug-and-Play and Hot Swap SupportWindows certified (WHQL) drivers3ft cable lengthSupports remote wake-up from Modem input signals and USB power managementCompliant with USB Rev. 2.0 Full-Speed specificationElectronics Industries Association (EIA) standard RS-232-C compliantUSB to Straight-Through RS232 Serial Adapter


Available for Shipping to Canada Post
Supplier Warranty
2 Year Warranty
Supplier Warranty Length
2 years
Product Identifiers
Walmart Item #
Model #

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Easy Returns+

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You can return this item within 14 days from the day you receive your online order.

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From the Manufacturer +

Ratings & Reviews+

USB to RS232 DB9/DB25 Serial Adapter is rated 4.6 out of 5 by 9.
Rated 5 out of 5 by from Easy conversion Worked as claimed. Need to install the drivers that come with it, but that was easily done in Windows7.
Date published: 2010-12-15
Rated 5 out of 5 by from Nice connector Arrived quick. Works like it should. It comes with a 9-25 pin adaptor, too.
Date published: 2011-01-06
Rated 5 out of 5 by from Workd perfect and at a great price I am able to use an older piece of hardware on my PS instead having to replace it with a new one at a much higher price by using this adapter. It works great and is much cheaper then the ones I found at Stapels and Radio Shack
Date published: 2012-06-22
Rated 5 out of 5 by from USB to Serial Adapter Cable that works. I installed the software on two computers, A) Windows 7 pro and B) Windows XP Pro SP3 with no problems. Adapting older hardware to newer systems can be frustrating but so far this has allowed me to use a 10 year old serial writing/drawing tablet rather then tossing it out.
Date published: 2012-04-01
Rated 5 out of 5 by from
Date published: 2013-03-28
Rated 1 out of 5 by from Does not work on Windows 7. Does not work on Windows 7 communicating with a Fluke 744 Calibrator. The device does allow communication with the Fluke 744 under Windows XP. For Windiws 7, I have tried the latest drivers from the manufacturer and Microsoft.
Date published: 2012-12-19
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