Title: +038=534.001-RA001._02-Porttelefon Siedle Systemanvisning.pdf
The ATLM 671-0 draws 48 V DC over terminals S1-S4 from the ATLC/ NG 670-0. This converts the voltage into 15 V DC with max. 400 mA and outputs this to terminals b1 and c1 of the terminal block. Within the door station, only the intended components may be supplied via the terminals b1 and c1.