64 en | Installation wiring PRAESENSA
2021.12.21 | V0.15b | F.01U.402.882
Underwriters Laboratories Listing Document (ULLD)
Bosch Security Systems B.V.
3.7 Multifunction power supply, large | PRA-MPS3
3.7.1 Connections
Figure3.10: Rear view connections
Chassis ground Mains input with fuse
Battery 12VDC ( )
Battery temperature
sensor
48VDC output A‑B (1-3,
to amplifier 1-3)
Lifeline control/audio/
supply interface
(1‑3, to amplifier 1‑3)
24VDC output A‑B
(to system controller)
Control input 1‑8
Control output 1‑8
Network port 1‑5
(port 1 and 2 with PoE)
Network port 6 (SFP)