so with something like this

http://www.ebay.com/itm/USB-to-DIN-8-Serial-Mac-iMac-G3-G4-G5-Mac-OS-X-iBook-/111397661152?pt=LH_DefaultDomain_0&hash=item19efd169e0

and something like this

http://hosatech.com/wp-content/uploads/2013/11/DBK-100_Pinout.pdf

could a 128k mac share files directly with a modern mac running Leopard?

I thought leopard was the last os to support apple talk.

just trying to figure out the limitations.