From a little research, it looks like I may need a db9 ( rs232 serial) Male to USB A ( my PC side).
As weird as it may be. the initial connection : RJ45 Con port to RJ45 to DB9 Female to DB9Male to USB A.
Looks rediculous with all the adapters & converters but with the obsolescence of RS232 ( serial) on PC's & laptops,
a direct connection ( or near direct connection RJ45 2 db9 ) is impossible