Here is the Ebay auction, I hope the manual is
included assuming the 50-pin
port is the output port.
https://www.ebay.com/itm/GUARANTEED-GOOD-USED-FANUC-TAPE-READER-A860-0056-T…
Perhaps try the IndustryArena CNC forum at
https://www.cnczone.com/ they have some FANUC
postings there at the moment.
Steve.