Functional Diagram - Bosch PRAESENSA Installation Manual

54 en | System controller | PRA-SCL/SCM/SCS
Sound quality
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Supervision
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Fault tolerance
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* Availability to be announced.
7.3

Functional diagram

Functional and connection diagram
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B
2019.11 | V1.00 |
Audio‑over‑IP, using OMNEO, the Bosch high‑quality digital audio interface, compatible
with Dante and AES67; audio sample rate is 48 kHz with 24‑bit sample size.
Messages and tones are stored as high definition uncompressed wav‑files.
Supervision of stored messages and tones.
Supervision of data integrity of site specific data.
Internal watchdog timers to detect and recover from processor malfunctions.
Faults or problems of all system devices are collected, reported and logged.
Two system controllers can be configured as a redundant pair.*
Five OMNEO network connection ports, supporting RSTP.
Dual DC‑inputs with polarity reversal protection.
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2
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4
5
Installation manual
Internal device functions
Diode
DC to DC converter
Message and tone storage
Controller
OMNEO network switch
Bosch Security Systems B.V.
PRAESENSA