Description
The DSC FM-DSL is a passive Digital Subscriber Line (DSL) filter. It isolates your security alarm panel’s communications from your broadband connection, preventing internet signals from interfering with the system's ability to transmit alarm signals over standard phone lines.
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Provides for expansion of one zone to up to 2 zones of supervised speaker audio output in Class A
Provides for expansion of one zone to up to 4 zones of supervised speaker audio output in Class B
SP4ZAB