154 en | Ethernet switch | PRA-ES8P2S PRAESENSA
2019.11 | V1.00 | Installation manual Bosch Security Systems B.V.
– Full Quality of Service (QoS) through differentiated services (DiffServ) on all ports,
compatible with OMNEO Docent diagnostic tool.
– Support for Rapid Spanning Tree Protocol (RSTP) according to IEEE802.1d to create
redundant loops.
– Fault output relay for fault reporting into PA/VA system.
– Large MAC‑address table (8k‑addresses) for large system broadcasting.
– Support for Simple Network Management Protocol (SNMP) and Link Layer Discovery
Protocol (LLDP).
– All copper ports provide PoE (IEEE802.3 af/at) to power PRAESENSA call stations or
other devices.
Fault tolerance
– All ports support RSTP for loop connections to adjacent devices with recovery from a
broken link.
– Dual redundant 24 to 48V DC‑inputs.
14.3 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
Socket for SFP module
Controller
DC to DC converter
Fault relay
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