Cable sharing adapter for the simultaneous operation of two 4-wire services, here: 2 x telephone (ISDN), via an 8-wire installation cable. Use in pairs: one adapter on the connection box, one adapter on the distributor. Shielded adapter with transmission properties of class E in the link in accordance with IEC 11801 Ed.2.2:2011-06 and DIN EN 50173-1:2011-09. Can be plugged in next to each other thanks to the narrow design. Short, flexible connection. Supplied as a set of 2 pieces