Installation: 4+N (1 wire per dwelling). The doorman kits for buildings include all the necessary equipment for a complete installation and immediate operation. Includes: 4853.- CITYLINE 4+N 5AP205 plate and embedding box (Embedding box included ref. 8855). S5 entrance panel: 130 (H) x246 (V) mm. Flush mounting box S5: 115 (H) x233 (V) x45 (P) mm. 3393.- LOFT BASIC 4+N telephone (10 units). 4802.- 12VAC/1A power supply. DIN4.