Bosch Call station, 6-zone.
Stylish six‑zone call station for the Plena Voice Alarm System
Six zone selection keys, all-call key and momentary PTT-key for calls
Selectable gain, speech filter, limiter, and output level for improved intelligibility
LED indications for zone selection, fault, and emergency state
Call station extension provides seven additional zone and zone group keys
Functions:
Each call station supports six zone selections. The
number of selectable zones or zone groups can be
increased by connecting call station keypads (LBB
1957/00). Up to eight keypads can be added with each
keypad adding seven zone or zone-group keys.
This call station features selectable gain, a selectable
speech filter, and a limiter for improved intelligibility.
The call station has a balanced line level output,
making it possible to position it up to 1000 meters
from the controller, using CAT‑5 extension cables.
With shielded cable, the call station can also be used
in an EMC level 5 (heavy industry) environment.
DIP switches at the base of the call station select
different microphone gain levels, the call station ID,
and the speech filter. A service accessible rotary
control provides microphone level attenuation. LEDs
on the call station show which zones have been
selected. Three additional LEDs give visible feedback
on the active state of the microphone and the system.
Green flashing means standby (chime is sounding).
Green indicates microphone active. Amber indicates
that the system has detected a fault, and red indicates
that the system is in the emergency state.
