Telephone (D-network), block diagram - GF82.70-P-0003-06AA

Fixed installation without voice control system (shown on model 203) 

Fig 1: Identifying Telephone (D-Network), Block Diagram (5 Of 6)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fixed installation with voice control system (shown on model 203) 

Fig 2: Identifying Telephone (D-Network), Block Diagram (6 Of 6)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.