el-tech input schematics

here are the schematics for the input module from an old eltech console.
these are pretty rare, so i thought i would share this to you guys just if anybody is interested.
i have some pictures of the console as well (so you can see what the modules look like)
http://img.photobucket.com/albums/v371/lanxe/eltech_input_module.jpg

http://rclsgi.eng.ohio-state.edu/~bocook/Ryan5/studiob.htm

i have the rest of the board schematics if anybody is interested in seeing those,
Ryan

Ryan, thanks very much. I'd be very interested to see the other schematics.
Stephen

i will put the rest up when i get to my home computer.......