Digital Fixed Station Interface (DFSI)

Daniels Electronics Ltd. and Telex Radio Dispatch, the Bosch-owned supplier of specialized IP-based radio dispatch consoles, portable and installed interoperability solutions and dispatch accessories, jointly announced the development of a P25 standards-compliant Digital Fixed Station Interface (DFSI) between their products, enabling direct digital connection from the Daniels LMR radio to Telex dispatch consoles, in accordance with the TIA P25 Fixed Station Interface (FSI) standard. 

The Daniels digital Universal Interface card (UIC) provides the P25 DFSI connection via Ethernet from the Daniels MT-4 P25 radio system to other LMR subsystems, such as IP-based dispatch consoles in a P25 network. In accordance with the TIA P25 general system model, this interface interconnects the fixed station (Daniels Radio) to a console or RF subsystem at the Ef connection. The Ethernet universal interface provides the P25 encoded (and optionally encrypted) digital audio signal directly to the console, as well as a comprehensive suite of control signals. This allows the dispatch console to see and manage all information associated with a call in an IP format, including unit and emergency IDs.

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