Signamax keystone industrial DIN rail mounting modules afford an opportunity to combine advantages of regular keystone jack design and transmission performance with simplicity and usability of industrial DIN rail mounting systems. State of the art module's design provides all kinds of features usually found in office work area solutions, universal labeling, protection covers, front access, gravity compensation for patch cords along with such important for the industrial applications aspects as tool less mounting and replacement of connector modules, quick access to any part of the assembly. Additionally, modules allow installing screened jacks without any extra efforts, parts, and tools.