DELOCK assembly kit: D-Sub 25 pin female to RJ45 female connector. Used for extending or adapting a serial interface with the help of Cat5/Cat5e/Cat6 cable. The RJ45 side uses 8 contacts, while the serial/D-Sub side can be assigned individually. The cable ends are inserted into the selected ports and locked into the housing. Ideal for custom serial-to-RJ45 cabling and for field assembly.