PRAESENSA
Installation wiring | en
101
Bosch Security Systems B.V.
Underwriters Laboratories Listing Document (ULLD)
2021.12.21 | V0.15b | F.01U.402.882
3.10.2
Functional diagram
Functional and connection diagram
Internal device functions
PWR1
PWR2
P-Fail
Console
2
1
4
3
6
7
8
9
SFP
SFP
10
5
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
Power over Ethernet power source
OMNEO network switch
SFP
Socket for SFP module
Controller
DC to DC converter
Fault relay
3.10.3
Parts included
The box contains the following parts:
Quantity
Component
1
10‑port industrial Ethernet switch
1
Screw connector
2
Wall-mounting bracket
1
DIN‑rail mounting bracket and screws
1
Startup manual
No tools or Ethernet cables are provided with the device.
3.10.4
Power supply connection
This Ethernet switch has a dual 48 VDC-input and must be powered from the PRA-MPS3 to
one of the 48 V outputs, normally intended for the amplifiers. Use both A and B outputs for
connection redundancy.
The 48 V output that is powering the switch should not be used to also power an amplifier.
The lifeline that belongs to the powering 48 V output is not used.
In case of mains failure the switch will be powered from the battery, connected to the
multifunction power supply.
3.10.5
Fault relay connection
The fault relay connection can not be used for UL864/UL2572 systems.
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