5ft USB to DB9 Male Serial RS232 Adapter Cable

4.710 Reviews
Product Features
Connect a serial device directly to a computer using a USB connection
• Perfect for connecting DB9 devices to a PC without serial ports
• Available in single, two-port and four-port DB9 to USB configurations
• Choose from a 1.5ft or 5ft adapter
• Compatible with the Microsoft® Surface® Book 2, Surface Pro 6, Surface Laptop 2, and other leading laptops and tablets
(1) USB-A Male
(1) DB9 Male
Product Description
Connecting USB with the traditional RS-232 serial port, this adapter connects PC serial COM ports, modems, or ISDN terminal adapters through your USB port . This Adapter Cable has a data transfer rate of over 250 kbps. Since the adapter uses no IRQs, there are no IRQ conflicts, and it is ideal for when you need many serial devices attached to your PC. Use this adapter to connect directly to a serial device or to free your RS-232 port for other uses. This adapter cable is a perfect accessory for Microsoft® Surface® products and other leading laptops and tablets.

Learn more about how this C2G product and other C2G products can help you adapt your Chromebook to meet your needs by reading our blog post, Getting the most from your Chromebook, visiting our Chromebook Adapters New Technology page, exploring our Chromebook Solutions page, or checking out our Chromebook Adapters product category.

• Download the driver from the Support tab (if applicable)
• Download a PDF with the technical specifications of this product on the Support tab or view the technical specifications of this product on the Specs tab

Note: Using this adapter with a Chromebook requires a serial terminal application. This type of application may be downloaded from the Chrome Web Store.

Discover more connectivity solutions for the Microsoft Surface
Warning symbol for P65 WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

Product Specifications
Color : Black
Length : 5.00 Foot
Jacket Rating : Standard Non-Rated
UPC : 757120268871
Warranty : 1 Year
Vendor : C2G
Weight : 0.256 LB
• Download a PDF with the technical specifications of this product on the Support tab
Cable Specifications
Conductor (Qty 1 Twisted Pair):
• Conductor Type - 28AWG (7/0.12), Tinned Copper
• Insulation - HD_PE, O.D. 8.5mm
• Colors - white, green
Conductor (Qty 2)
• Conductor Type - 24 AWG (7/0.20), Tinned Copper
• Insulation - SR-PVC, O.D. 1.15mm
• Colors - black, red
Overall Cable
• Foil Shield - Aluminum Mylar, 100% Coverage
• Braided Shield - 16/4/0.10, Tinned Copper, 65% Coverage
• Jacket - PVC, Translucent White, O.D. 4.5mm
Connector Specifications
USB Connector
• Connector Type - USB A Male
• Contact Material - Brass, µm Gold Plating
• Insulation - White PBT
DB9 Connector
• Connector Type - DB9 Male
• Contact Material - Brass, 3µm Gold Plating
• Insulation - White PBT
Physical Characteristics
• USB A Male
• Serial Port Connector - DB9 Male
• Serial Housing Dimensions - 17x33x55.5mm
System Requirements
Supports Microsoft® Windows® 2000, XP, Vista, Windows 7 (32/64bit), Windows 8, Windows 8.1 or Windows 10
Package Contents
• 5ft USB to Serial Cable
• Driver CD
Customer Reviews

For immediate help, please with us!

Rated 5 out of 5 by Jim from I would definitely buy this product again We use this to connect to customers equipment to set them up
Date published: 2016-10-24
Rated 5 out of 5 by JoB from Product works, delivery prompt Product was easy to use as worked as advertised. I used it to upload a SW revision to a receiver.
Date published: 2014-05-19
Rated 5 out of 5 by DJ from Nice product I have no complaints in this cable it works great
Date published: 2017-03-24
Rated 5 out of 5 by Bill from Good quility, works great. Good color.
Date published: 2013-10-14
Rated 5 out of 5 by TommyG from Great cable for NAD T787 software update This cable worked for an NAD T787 software update when another brand of cable would not.
Date published: 2018-01-27
Rated 5 out of 5 by John Youngk from Very pleased. Received this adapter on time and works fine. Had trouble with an old adapter. Lost coms ever few seconds. Purchased this adapter from C2G. Install was easy. I have left coms running (connected to PLC) for several days without loss of coms... Very happy!
Date published: 2021-05-23
Rated 2 out of 5 by ksmith from did not work Unfortunately My adapter did not work. My computer would not connect to the my device connected to the adapter. I ordered the same item from another vendor and the second adapter worked.
Date published: 2018-08-11
Rated 5 out of 5 by John from USB to Serial cable Works perfect to give my usb only laptop a serial port for using a terminal program to program an older tone panel.
Date published: 2021-01-19
  • y_2021, m_10, d_27, h_19
  • bvseo_bulk, prod_bvrr, vn_bulk_3.0.19
  • cp_1, bvpage1
  • co_hasreviews, tv_0, tr_10
  • loc_en_US, sid_26887, prod, sort_[SortEntry(order=RELEVANCE, direction=DESCENDING)]
  • clientName_cablestogo
  • bvseo_sdk, java_sdk, bvseo-4.0.0
  • CLOUD, getReviews, 16ms
Questions & Answers

For immediate answers, please with us for help!

what software driver does need for windows 10?
Asked by: donkidwell
Answered by: Thomas
Date published: 2020-06-17
Is this cross cable?
Asked by: Keiji
This is a USB to serial cable, it would not be a "cross" cable
Answered by: Thomas
Date published: 2020-03-17
I have a Windows 7 all in one HP. All of it's ports are usb and I can't connect it to my tv monitor(which does have the VGA port) because it seems as though it requires the VGA port which my PC doesn't have. Would this work for my PC?
Asked by: Nett
No. That is a USB to serial adapter. It is not for video or a VGA signal. You would need product 30545. That is a USB to VGA adapter that will allow you to have a VGA output on the HP. You would also need a VGA cable to connect the adapter to the TV.
Answered by: Steve
Date published: 2017-10-06
Does this have an “FTDI” chip?
Asked by: Rachel
This uses a Prolific PL2303
Answered by: Thomas
Date published: 2020-09-16
Is this cable USB a 3.0 version and Windows 10. , product 26887
Asked by: Don H
This cable is USB 2.0 and Yes it is compatible with Windows 10.
Answered by: Thomas
Date published: 2018-02-23
does this work with chromebook
Asked by: mike111
There is a Android Driver for this cable located at prolific.com.tw
Answered by: Thomas
Date published: 2021-05-18
Is this compatible with Apple OS X 10.7 and above?
Asked by: Anonymous
Yes. The latest drivers will be available in the support tab.
Answered by: Sean
Date published: 2017-10-06
What chip does this have?
Asked by: Rachel
This uses a PL2303 Prolific Chipset.
Answered by: Thomas
Date published: 2020-09-16
  • y_2021, m_10, d_26, h_18CST
  • bvseo_bulk, prod_bvqa, vn_bulk_3.0.19
  • cp_1, bvpage1
  • co_hasquestionsanswers, tq_9
  • loc_en_US, sid_26887, prod, sort_[SortEntry(order=NUM_ANSWERS, direction=DESCENDING)]
  • clientName_cablestogo
  • bvseo_sdk, java_sdk, bvseo-4.0.0
  • CLOUD, getContent, 50ms