
DB9 male where pins are not fitted yet
RJ11/12 6 pin female with loose wires with pins
Construct your own DB9 to RJ11/12 connections
Configure DB9 on one end with RJ11 on the other end.
With wires, the desired connections are mounted in the DB9 connector. The cables have attached plugs, so they just need to be inserted into the correct 'holes'.
SCSI adapter, SCSI DB25 male to 50 pin mini Centronic male
Converter / adapter, DB9 female plug to DB25 male plug
Converter from DB25 female connector to Centronics 36 female connector