4
STD
Signal transmission Device
ALx
Alarm loop, where “x” is the alarm loop number (ranging from 1 to 8)
1 Function
1.1
The device is designed to protect facilities from unauthorized intrusion and fires in stand-
alone mode, under the control of an Astra-Dozor control panel, or under the control of an Astra-Z-8945
control panel.
1.2
In
stand-alone mode
, the device will monitor the state of 8 (eight) alarm loops with activat-
ed intrusion or fire detectors and output notifications to a CSP via relay outputs, to alerting equipment
via “open collector” outputs, and to BZ.
1.3
When
controlled by an Astra-Dozor control panel
, the device will monitor the state of 8
(eight) alarm loops with activated intrusion or fire detectors and transmit notifications to the Astra-
Dozor control panel via an RS-485 interface.
1.4
When
controlled by an Astra-Z-8945 control panel
, the device will monitor the state of 8
(eight) alarm loops with activated intrusion or fire detectors and transmit notifications and TM key
codes to an Astra-Z-8945 control panel via an RS-485 interface, and also control relay and OC outputs
in response to Astra-Z-8945 control panel commands.