472573A.101 Nokia Nokia Fixed Network Access Telecom Module

The Nokia 472573A.101 is an FXDB (Foreign Exchange Data B) interface module designed for Nokia telecommunications platforms. This module provides foreign exchange functionality, enabling connectivity between the telecommunications system and external analogue telephone lines or devices through standardised FXS/FXO interfaces.

FXDB modules are typically deployed within Nokia’s fixed-line and broadband access network equipment, serving as interface cards that bridge digital switching infrastructure with traditional analogue endpoints. These modules are essential components in hybrid network environments where legacy PSTN connectivity must be maintained alongside modern IP-based systems.

As Nokia has evolved its telecommunications portfolio through various acquisitions and technology transitions, this module represents equipment from Nokia’s established fixed network product lines. Organisations maintaining existing Nokia infrastructure deployments will find this module useful for spares, capacity expansion, or system repairs.

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