Intercom unit for 15 zones + general call, with two possible installation modes:
a) Next to control units D42U and D44U (D41U, D45U) in systems with music + zone intercom.
b) Alone, as an independent zone intercom installation, supplied by a module K12G/IN
In mode a) The available functions will depend on the Central unit which is present in the system.
In mode b) Only the intercom function is available. The functions ""baby-sitting"" and ""surveillance"" will not be active, because they are controlled by the central units with tuner.
Power supply V; Max I 15 V , 140 mA
Audio power 0.12 W x 2
Speaker impedance 1÷2 x 16 Ω
Maximum number of J12U modules per installation 15