Question about Addonics FlexPort 42 (AEFLEX42) Parallel / Serial Adapter

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Need pinout for octopus cable

Or since it has 2 larger parallel tentacles, and a number of smaller serial legs, should I call it a squid cable? Anyway, I just got a used Quickpath 4ser2par card, which I believe to be identical in form and function to the Flexport. I have all the parts to build my own cable, if I can get the pinout data. Thanks in advance!

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Re: need pinout for octopus cable - Addonics FlexPort 42 (AEFLEX42) Parallel / Serial Adapter Other Network Devices


Posted on Sep 14, 2007

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How do i upload test results from my lt8600t tester to my PC. I have USB ports in my PC no serial port. What do i need?

Ah, yes, I too used Waveteks back in the old days and I still have old PCs with serial cards in them which typically came with the PC. They were never really all that expensive to replace.
Anyway, newer PCs typically lack serial (DB9) ports/cards; and simply using a USB-to-DB9 adapter on a device designed to use a DB9 interface won't help the PC "find" the unit attached to it. Theres no easy "plug-and-play" there. The PC wants to have drivers for the unit installed manually, then with some luck something will show up in Device Manager. Conversely the old Wavetek wants to see X number of pins, etc. or it will assume somethings wrong.

There are a few "USB to RS-232 DB9 Serial Drivers" (e.g. "Prolific" brand) to be downloaded here and there, I can't tell how effective they are, depending on your PC hardware/software.

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Windows usb

Depending on the connections you need any cable can be made.
This website is one of many that have different types of cables depending on your requirements.

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You can get a license from this website.

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Is there a workaround / driver for Win7 for this product?

Try installing the Driver in "XP SP2 Compatabiluty Mode" This may indeed work.
Download your XP driver you wish to install. If it's in a zip/rar file then extract it to your desktop.
You should have a simple .exe file sitting on your desktop to install the drivers, as normal for XP.
Right click the .exe file and select "Properties".
Then select the tab called "Compatibility"
Now check the box next to "Run this program in compatibility mode for:"
Make sure "Windows XP Service Pack 2" is highlighted.
Now apply the settings and run the installer.

This should work for most drivers, but not all

Jan 22, 2010 | Targus USB Parallel and Serial Port Hub...

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While giving print command msg comes as communication error

1. Check the cables
2. Check wheather the printer is detected?
if detected
3.Uninstall and Install the printer driver
Still facing the issuse, then you need to double check the cable
If the cable is working fine then try to do the system recovery

Sep 17, 2009 | BafoTech BAFO BF-1284 Parallel Adapter

1 Answer

Need an usb to parallel cable


You may want to try this site. They have an assortment of USB to parallel printer adapter cables which will connect your parallel port printer to your USB port.

Good luck and kind regards.

Nov 08, 2007 | Other Network Devices

2 Answers

Initialization failed - Unable to acquire TWAIN-compliant device



I have seen your message stating that "Initialization failed - Unable to acquire TWAIN-compliant device" error is received when trying to connect USB-Parallel type to your Laptop.


Well,  Printer  Panasonic UF4100, recommends to use only " Printer/Scanner Interface as Bi-directional Parallel (IEEE1284) " means you need to use Parallel cable to connect Printer to the Computer/Notebook.  You may receive some communication error messages if you are using a  "PORT REPLICATOR CABLE"( USB TO PARALLEL connector).  The error message that you have received is related to the communication error. Futher, if you use same USB- Parallel cable for long time the Printer Hardware functionality might go bad, since Printer memory gets confused and will not read or detect the Cable , since it is not a cable to use  mentioned by Panasonic Manufacturer.


Let me tell you, general functionality of Printer like Printing would work even if you use USB-Parallel cable. But it is not a case with Scanner and Fax functionality.


Hence, I recommend you to use only Parallel cable to connect your Printer to the Laptops.


I hope that this will resolve the issue for you.


You can email me at if you need further assistance.



Oct 17, 2007 | BafoTech BAFO BF-1284 Parallel Adapter

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