Schneider Products: a six unshielded module far satisfied with six transmission standard for inter-device connection and work area; 2 unique slim design, simple, convenient and can be used in a modular wiring?.?. mounting frame for empty frame;? 3 unique 4-layer circuit board design to reduce interference by high margin;?. 4 lock button termination dust protection cap, to avoid excessive bending after termination, loss and Dust protection for contacts;? 5 gold-plated material durability for more than 750 mating cycles, IDC is more than 250 times the durability of termination.