Channel connection unit for individual modules in keystone design, plug-in direction of the module inclined 45° downwards, strain relief on the module, with viewing window for enclosed label insert, label sheet 209 x 294 mm see accessories, integrated dust protection flaps (also available in color), cover parts pure white RAL 9010, surface matt structured, compatible with design central pieces of switch ranges (note 3 port central pieces currently only available from JUNG), variants: 1 port, 2 port, 3 port