I needed the cable to replace an older one that stopped working. In my case for the old Magellan SporTrak GPS. The error message on three computers was 'com port 3 busy.' Tera Grand provides a highly detailed.pdf online.

On it's site you can also get the latest drivers. (Drivers come on a CD with the package.) When I plugged it up I still got the error message so after much searching I found the solution. If your issue is with a busy port then type 'Trouble shoot' into your Windows 10 search box and select 'Performance and Health'.

Click and select Device Drivers. The troubleshooter starts running. I had to run it twice as it went out on the net looking for the drivers and such, but it eventually created a new com port (probably com port 5) that my GPS software could use. From all I have. For years our company has provided another brand which contained the Prolific chip set.

However, about a year ago we started receiving several complaints from clients stating that their hardware was not working properly. After some research we found that there was a reported compatibility issues between the Prolific chip sets with Windows 7, Windows 8, and Windows 10.

Several people had stated that switching to the FTDI chip sets had fixed their problem. We found the Tera Grand USB to serial adapters on Amazon which contain the FTDI chip sets and decided to order some for in house testing. Breakaway audio enhancer v12012 with keygen and crack software.

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We hooked up the adapters to several different pieces of hardware and had zero issues. We have since ordered about 50 adapters and have sent them to clients who were having issues with the Prolific chip sets. The Tera Grand adapters have fixed the issues our clients were having with their. This review is for the 'Tera Grand - Premium High Speed USB 2.0 to Serial RS-232 DB-9 Converter - Supports Windows 8, 7, Vista, XP, 2000, 98, Linux and Mac - with FTDI Chipset'. Cost at the time (January 6, 2015) that I purchased the item through Amazon was $10.98 each.

Shipping was free with orders over $35, so I ordered four. My need was for a USB-to-serial converter that works with Apple MAC OS X, preferrably without needing to install drivers. I had previously investigated USB-to-serial converters for use with my MacBook Pro, ran into difficulties with multiple Tripp Lite and other brands that use a Prolific chipset---for which there is apparently many counterfeit (fake) chipsets from China that don't work on a Mac with the Prolific drivers---and I eventually gave up on those and purchased a $30 CableMax brand USB-to-serial converter with an FTDI chipset from.

After having struggled with corrupt data on my PL2303-based adapter every few minutes, I was suspecting problems with the target device, especially when the problem persisted after swapping adapters, reloading drivers, and trying a different PC. Lesson learned: Replacing a Prolific chip with another Prolific chip isn't gonna fix it!

Go FTDI or go home. I bought (two of) these and the problems haven't come back; I can receive *megs* of text without so much as a hiccup. Logging over a long weekend used to be completely out of the question, now it's become routine. And yes, the diagnostic LEDs are every bit as useful as you'd imagine, perhaps more so. Not only do they show you TX/RX and flow control, but they show you *when the port is open at all*, which is super handy if you've got multiple adapters plugged in and you've lost track of which COM port is which.

Not a bad design, but it could use a few options. The LEDs are on for high, off for low, so you don't see which signals are actually being supplied.