472573A.102 Nokia Nokia Fixed Network Telecom System Card

The Nokia 472573A.102 is an FXDB (Foreign Exchange Subscriber) line interface module designed for Nokia telecommunications systems. This card provides analogue subscriber line interfaces, enabling connectivity between digital switching platforms and traditional analogue telephone devices or lines.

FXDB modules are typically deployed within Nokia’s fixed-line network infrastructure, serving applications where analogue connectivity is required alongside digital switching. These cards facilitate the integration of legacy analogue endpoints such as fax machines, modems, and traditional telephones into modern network architectures.

This is a legacy Nokia telecommunications component from their fixed network equipment portfolio. While no longer in active production, FXDB cards remain essential for maintaining and extending existing Nokia network installations where analogue line support is required.

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