Installation - Bosch Praesideo 3.5 Installation And User Instructions Manual

Digital public address and emergency sound system
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Praesideo 3.5 | Installation and User Instructions | 6 | Installation Accessories
26.3.5Operation
The two LEDs on the fiber interface provide
information about the status of the fiber interface.
table 26.5: Status LED indications
Yellow
Green
(Fault)
(Power)
Off
Off
On
Off
On
On
Off
On
Off
Blink
On
Blink
Note
The PRS-FINNA cannot detect if the correct
protocol is received. Therefore, its green LED
does not show the fault status of table 26.5.
Bosch Security Systems | 2011-02
Status
Off; no external power
available.
Stand-by; external power to
POF switched off.
Operating; external power to
POF switched on.
Operating; no external power
available, but powered from the
POF side.
Fault, no external power
available and no protocol
received.
Fault, external power available,
but no protocol received.

26.4 Installation

The fiber interface can be attached to a wall or any
other flat surface using a bracket (see figure 26.10). The
distance between the holes in the bracket is 40 mm.
6
figure 26. 1 0: Installation
Mounting of this bracket and the unit on a drywall sheet
construction requires screws with a minimum screw
length of 22 mm (7/8") and a minimum diameter of
2.5 mm (3/32"). Mounting was evaluated for use on a
drywall surface only.
en | 274

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