Bosch PRAESENSA - Functional Diagram

84 en | Installation wiring PRAESENSA
2021.12.21 | V0.15b | F.01U.402.882
Underwriters Laboratories Listing Document (ULLD)
Bosch Security Systems B.V.
Field connections
Connection Field
wiring
Circuit class /
Ilimited IMax
/ minimum AWG Remarks
Network port 1‑2 YES Class 2
power limited
Wiring ClassN
Local source audio line input NO* Class 2
power limited
PRA-CSE interconnection NO* Class 2
power limited
Enclosure - - -
*Must stay within same room <20ft and within metal conduit.
3.8.2 Functional diagram
Functional and connection diagram Internal device functions
Fixed microphone on a flexible
stem
Internal monitor loudspeaker
Audio processing (DSP)
Power over Ethernet
OMNEO network switch
Controller
Press-To-Talk button
PRA-CSLD
2
1
4.3"
PoE
Fixed hand‑held microphone with
Press‑To‑Talk or Start/Stop switch
Call status LED ring
PRA-CSLW