DB25 male to RJ11 she adaptation connector with optional PIN Assignments

Insert the DB9 female to RJ45 she
RJ45 PIN Assignments - colors:
1 Blue
2 Orange
3 Black
4 Red
5 Green
6 yellow
8 Brown
8 White

Converter / adapter, DB9 female plug to DB25 male plug

Gender changer DB9M to DB9F

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