Bosch PRA-CSE - Functional Diagram

54 en | System controller | PRA-SCL/SCM/SCS PRAESENSA
2019.11 | V1.00 | Installation manual Bosch Security Systems B.V.
Sound quality
– 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
– 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.
Fault tolerance
– Two system controllers can be configured as a redundant pair.*
– Five OMNEO network connection ports, supporting RSTP.
– Dual DC‑inputs with polarity reversal protection.
* Availability to be announced.
7.3 Functional diagram
Functional and connection diagram Internal device functions
1
2
3
4
5
A
B
Diode
DC to DC converter
Message and tone storage
Controller
OMNEO network switch