The 5555165-1 is 6 Pole Cat 3 single port right angle PCB mount modular RJ11, RJ14 and RJ25 jacks with high temperature thermoplastic housings. These Cat 3 modular jacks are available as through hole or SMT mounting with nickel plated copper alloy shielding and various heights and solder tail lengths. Other additional features include PCB and panel grounding options, panel stops to provide additional mechanical support, keying that enables the modular jack to be mated securely with a keyed plug and latching.