Keystone module RJ45, Cat. 6, FTP The UTP RJ45 Cat. 5e keystone socket can be installed in any keystone connector adapter with the dimensions (H x W) 16.10 x 14.50 mm, e.g. in 45x45 socket adapters, electrical device frames, modular panels, so the list of possible applications for this module is very broad. The LAN socket has an IDC plug cover and a color-coded marking of the connection sequence of type 568A/B.