Difference between revisions of "FBSAR - Audio Interface Unit"

Revision as of 08:38, 4 November 2016

The FBSAR board

Provides interface to non-selective radio systems (1 base station)
Two relays for busy marking of external equipment and transmitter keying
Two optocouplers, which may be used for mutual busy marking
Provides interface to PA systems (2 PA zones)
DC termination of two subscriber outputs
Two filters to remove carrier for display data signals on two subscriber audio outputs
Second channel may be used as filter / PA adapter only
Galvanic separation between the exchange and the external equipment
If the relay is used, the FBSAR must be powered with +24V from the exchange

Revision as of 14:08, 3 November 2016 (view source) Roarl (talk) ← Older edit		Revision as of 08:38, 4 November 2016 (view source) Roarl (talk) Newer edit →
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	===<u>Highlights</u>===		===<u>Highlights</u>===