RJ45 to 9 Way D Inter Series Adapter
RJ45 Modular socket connector to 9 way D type plug.
You are buying 3 of these adapters here!
The RJ45 input socket has 8 gold plated pins,
it is connected via multi coloured wires within the shell to 8 gold plated pins,
these will simply push and lock into the casing of the 9 way D type plug (one remaining empty).
The D type side has two locking thumbscrews, these will retain the D type and if necessary lock the adapter into a mating D socket.
For datasheet copy and paste :-