I've been looking around the web to try and understand the Eurocard and DIN
41612 connector thing.  Unfortunately there seem to be many incompatible
flavors of this type of connector.  It's not even totally clear which side
goes onto the cards, male or female.  I'm gathering that the normal thing to
put on a card are right angle male connectors, with the backplane having
sockets.  There are also a lot of different sizes.  The one that seems to
pop up more than the others is 32 x 2 pins.  32 x 3 also comes up a lot, but
that seems overkill for a board of this complexity.

So, I'm thinking I'll leave pads on the right board edge for such a "type B"
DIN 41612 connector, which means two rows of 32 pins each on a .1" grid.
Can someone confirm that the Eurocard folks would indeed consider this
"normal", or at least one of the "normal" options?

If so, I've found detailed drawings of such connectors.  I think I have
enough to make the Eagle package definition.  However, how far out (or back)
should the end of the pins sticking into the backplane connector be from the
end of the board?  There must be a standard for that, but I haven't been
able to find it.  The same goes for the vertical placement.  The connector
appears centered in all the pictures I could find, but I haven't seen
anything actually specifying this.


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