TE Connectivity 215877-1 is a single-port 8P8C (RJ45) modular jack with right angle orientation, through hole mounting, and solder termination. It is unshielded and rated Cat3.
TE Connectivity 215875-1 is a 4p4c (RJ9/RJ10/RJ22) modular jack with right angle orientation and through hole solder termination. It features gold plated phosphor bronze contacts and board lock mounting.
The Amphenol ICC RJHSE-5080 is a single-port, 8P8C (RJ45) modular jack with a through-hole, right-angle mounting orientation. It features unshielded construction, gold-plated phosphor bronze contacts, and a board lock feature.