Mounting and termination — what the hardware tells you
The 2-5178238-4: This receptacle mounts through the panel using the M2.6 flange feature, then solders into the PCB through-hole pads in a right-angle orientation.
What mates with this connector
The outer shroud contacts mean the mating interface is shielded by the shell — the signal pins are recessed, so the shell takes any initial alignment abuse before the contacts engage. That matters when you're blind-mating a panel connector.
