PRAESENSA Multifunction power supply, large | PRA-MPS3 | en 105
Bosch Security Systems B.V. Installation manual 2019.11 | V1.00 |
Ethernet switch
– Six OMNEO network ports, supporting Rapid Spanning Tree Protocol (RSTP), for
loop‑through connections to adjacent devices:
– Five ports are for copper connection on RJ45, two of them provide Power over
Ethernet (PoE) to supply power to connected call stations or other devices.
– One port provides an SFP‑cage for Small Form‑factor Pluggable transceivers for
single or multi‑mode glass fiber connections.
General purpose control inputs and outputs
– Eight control inputs to receive signals from external systems with configurable
connection supervision.
– Eight voltage free single pole, double throw (SPDT) relay contacts to activate external
devices.
– Control input and output functions are software configurable.
Fault tolerance and supervision
– Supervision of mains, battery and device operation and all connections; faults are
reported to the system controller and logged.
– Automatic battery backup takeover from mains in case of mains failures.
– Multi‑port network interface with RSTP‑support for recovery from a failing network
connection.
– Supervised audio lifeline to connected amplifiers, as backup for a failing amplifier
network interface.
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