471720A.105 Nokia Nokia Optical Transport System Module

The Nokia 471720A.105 is a Fan Tray Interface Board (FTIB) designed for Nokia optical transport and networking platforms. This module serves as the interface between the system’s fan tray assembly and the main chassis, managing cooling system communication and control functions essential for maintaining optimal operating temperatures within high-capacity telecommunications equipment.

The FTIB is typically deployed in Nokia’s optical networking systems where precise thermal management is critical. It monitors fan status, controls fan speeds based on system temperature readings, and reports environmental conditions to the system management interface, ensuring reliable operation of sensitive optical and electronic components.

This is a legacy Nokia component associated with earlier generations of optical transport equipment. As network operators maintain and extend the life of existing infrastructure, replacement modules such as the FTIB remain essential for ongoing system support and maintenance operations.

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