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Difference between revisions of "FBSAR - PA interface"

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[[Category:Applications]]
 
[[Category:Applications]]
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===Feature Description===
 
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The AlphaCom can distribute audio through separate loudspeakers for announcements and music distribution. This audio can be distributed via an FBSAR board. When loudspeakers without amplification are used, there must not be more than 20 such loudspeakers in one system. Such loudspeakers can only be connected via a FBSAR board.
 
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===Equipment List===
 
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* PA system / additional loudspeakers
 
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* Filter Board with Speech Adapter [[FBSAR]] 1009505000
 
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* [[PDB - Power Distribution Board|Power Distribution Board PDB 1009970100]] (This Board is only required in an E26 installation. E7 and E20 has +24VDC outputs.)
 
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One FBSAR can feed two speakers or two PA amplifiers from two subscriber lines.
 
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===Installation===
 
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* Fasten the FBSAR board onto one of the mounting rails on the distribution field.
 
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* Supply the board with 24 V and 0 V (GND) from the Power Distribution Board or other source of power. Use a 1-pair ordinary installation cable for this purpose; the cable is not supplied with the board.
 
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* Run the wires according to Figure 1.1.
 
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* Check the [[FBSAR#Connectors_and_Switches|switch settings]].
 
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===Additional information===
 
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If you use the FBSAR for the connection no programming in necessary. We do however recommend that you program the physical connection for the PA system as a substation.
 
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Revision as of 00:30, 28 August 2009

The AlphaCom can be interfaced to PA Amplifier via the FBSAR board. The amplifier is connected to an ASLT subsriber line via the FBSAR. The PA amplifier is called simply by dialling the directory number of the FBSAR. Group calls will be distributed via the PA amplifier if the FBSAR is member of the group. It is possible to send entertainment or emergency audio from the audio program inputs out via the FBSAR, as well as alarm messages from the ASVP board.

Connections

Interface to PA amplifier via the FBSAR board
  • The FBSAR board provides a 0 dBm audio signal to the amplifier, and optional a contact closure for switching on the amplifier when audio is present on the output.
  • Towards the AlphaCom the FBSAR board is connected to a free ASLT subscriber port with a-, b-, c- and d-wires. If the relay is used, a RCO signal is required and the FBSAR must be powered by 24VDC from the exchange.
  • There are four jumpers on the FBSAR, S1 to S4, they should all be set in the "down" position (2-3).
  • A potentiometer on the FBSAR allows you to adjust the output signal level



Event for operating the RCO

RCO Operation

The relay of the FBSAR is controlled by a RCO. The RCO is configured in the Event Handler. In the Users & Stations window, highlight the FBSAR in the listbox, and select the button Events. Press Insert to create an event with the following parameters (here RCO 1 is used as an example):

Event Owner: The FBSAR
Event Type: 1 – Audio
Sub Event: 126
When change to: ON or OFF
Action: RCO 1

Press the button "Details" to select which type of audio that should trigger the RCO (Subevent 126 means all type of audio).

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