Does it look like this:
http://www.io.com/~trag/LCadapterCard.jpg
If so, some details are available here:
http://www.io.com/~trag/LCadapterBox.jpg
http://www.io.com/~trag/LCadapterCard.jpg
If so, some details are available here:
http://www.io.com/~trag/LCadapterBox.jpg