
Clause / Requirement
Compliance
Signature
Alarm System or any other voice
alarm transmission path. The fault
will just be reported.
13.5.2 Means shall be specified and
provided to ensure that a short circuit or
an interruption in the transmission path
to the loudspeaker(s) does not affect
more than one voice alarm zone for
longer than 100 s following the
occurrence of the fault.
Each audio output of the Plena
Voice Alarm System is only
assigned to one voice alarm zone
by definition. The IUI specifies this
clearly. Due to this, a short circuit
or interruption in the transmission
path to the loudspeaker(s) only
affects the voice alarm zone it was
assigned to.
Multiple zones may share one
amplifier channel. However, if
configured correctly (line
supervision switched on) the
routers will perform short circuit
isolation.
13.5.3 Means shall be specified and
provided to ensure that a single short
circuit or an interruption in any voice
alarm transmission path between
distributed cabinets of a VACIE does not
prevent the activation of a voice alarm
output condition to more than one voice
alarm zone for longer than 100 s
following the occurrence of the fault.
The voice alarm transmission path
between distributed cabinets of
the Plena Voice Alarm System is
achieved by means of the system
bus.
A single interruption or short
circuit in this bus will lead to loss
of functionality. To comply with
this article, all Plena Voice Alarm
System equipment must be housed
in one 19” rack.
172 en | Appendices
Plena
2013.07 | V2.0 |
Installation and Operation manual
Bosch Security Systems B.V.
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