Bosch PRAESENSA, Руководство пользователя

Страница: 128 / 166

128 en | Functionality PRAESENSA
2021.12.21 | V0.15b | F.01U.402.882
Underwriters Laboratories Listing Document (ULLD)
Bosch Security Systems B.V.
– Support for Rapid Spanning Tree Protocol (RSTP) according to IEEE 802.1d to create
redundant loops for class N circuit.
– All copper ports provide PoE (IEEE 802.3 af/at) to power PRAESENSA call stations or
other devices.
Fault tolerance
– Multiple network connection ports, supporting redundant network connections.
– Dual 48 V DC‑inputs.
5.8 Fiber transceiver | PRA-SFPLX, PRA-SFPSX
5.8.1 Functions
– Features a duplex LC connector; one connection for transmit and the other for receive.
– Fits and locks into the SFP socket of the PRA-MPSx and PRA-ES8P2S.
– The PRA-SFPSX supports multi‑mode fiber for distances up to 550 m.
– The PRA-SFPLX supports single‑mode fiber for distances up to 10 km.
– Wide temperature range for maximum reliability.
5.9 First responder panel | PRA-FRPx-US
5.9.1 Functions
IP‑network connection
– Direct connection to the IP‑network.
– For redundant network and power connection, a second Ethernet cable should be
connected.
Emergency operation
– Press‑to‑talk switch on hand‑held microphone.
– Full color 4.3" capacitive touch screen with intuitive interface
– Built‑in monitor loudspeaker with volume control.
– 36 buttons can be configured for various functions, but they are especially useful for zone
selection, giving a clear overview of accessible zones and the LED indicators for each
button show the status of the respective zone (like being selected, occupied or at fault).
– Buttons can be used for transfer of control between multiple First Responder Panels.
– If the First responder panel is not used for a while, it will switch to sleep mode to save
energy. It will immediately wake up when the screen, or a button, is touched.
– All critical alarm functions are accessible via buttons for operators wearing gloves.
– All indicators of the First responder panel take part in the indicator test function when
configured under one of the 36 buttons.
Labeling
Removable front cover for easy labeling with space for three lines of text per button.
Button cap
Nine optional button caps are included to prevent unintended activation of critical buttons.
Housing
– Reliable housing with lockable glass door to ensure Physical Access level 1.
– Suitable for on-wall mount and semi-flush wall mount
Supervision
– Supervision of all critical elements; the audio path is supervised, as well as the
communication to the network.