The Austin Taylor Communication range of RJ11 line jacks are available in 2, 3 or 4 Series versions.
The 2 Series version (WE6/2/3A) (68mm x 68mm x 29mm) is supplied complete with backbox.
The 3 (WE6/3/3A) and 4 (WE6/4/3A) Series can be flush mounted to a sunken backbox or surface mounted using standard 86mm x 86mm backboxes.
The socket in each variant is a 6 way, 6 conductor Western Electric style socket and cable termination is on IDC terminals.