PTC Premium High Speed USB 2.0 to Serial RS-232 DB-9 Converter with 3ft Detachable Extension Cable -

The package that arrived look very different from the package pictured. It was a pretty simple bubble pack. A "PTC" sticker had been placed on top of the original manufacturer's name, "Viewcon". I plugged this in to a windows XP machine, and it worked out of the box, with no additional drivers necessary. I plugged this in to a Mac OS 10.6.8 machine and got nothing. So I went to install the drivers. Unfortunately, the product ships with a "mini" cd, making it impossible to put into a modern MacBook or MacBook Pro computer. I stuck the CD into my XP machine, shared the files over the net and followed the directions to install the driver. The driver is really made for Mac OS 10.4 (Tiger). I was doubtful if it was going to work. While I attempted to follow the directions provided for Mac installation, they were out of date, and slightly different from the screens I was actually seeing. The driver installation required a restart. After the restart, the new hardware was discovered, and I was able to use it right away with a terminal program. I am unsure whether "an activation" was required, and I don't think I activated anything. I wouldn't call this the perfect product, but it worked.

This cable works out of the box with Windows 7. I did not even need the disk. My PC recognized it, connected to the internet and got the driver. Unlike other cheap cable based on the Prolific chip set, this one is based on the FTDI Chip set and it will remain the same com port number, no matter which USB slot you plug it into.

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We have tried many brands to get a simple RS232 program working via loopback and these have been by far the most reliable. I wish we had stumbled on to these first.

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Bought this to console into routers and other network devices with laptops that don't have serial ports. It worked with Windows 7, and Ubuntu Linux but not Mac OSX on my Macbook Pro.

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I bought this to use with my Megasquirt ECU. works great. Took a little playing around to get the settings figured out but seems to have no issues with MSII.

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