Alcatel-Lucent 3AL78821BA P4S1N

Product Overview
The Alcatel-Lucent 3AL78821BA P4S1N is a subscriber service line card used in the Alcatel-Lucent ISAM access platform. It provides high-density copper access for broadband and voice services. Because the card is designed for continuous operation in telecom environments, it delivers stable performance in access networks. In addition, the P4S1N integrates seamlessly with ISAM shelves and supports mixed service configurations. As a result, it is a dependable module for operators running multiservice access networks.

Key Features

• Line card for Alcatel-Lucent ISAM systems

• Model: P4S1N

• Part number: 3AL78821BA

• Supports multi-line subscriber access

• Suitable for broadband and voice services

• Designed for high-availability environments

• Hot-swap capable in supported shelves

• Front-panel indicators for quick diagnostics

• Seamless integration with 3AL-series modules

Technical Specification Highlights
The P4S1N is engineered as a plug-in line card for Alcatel-Lucent ISAM shelves. It supports high-density subscriber terminations and delivers stable electrical characteristics across all ports. Because it is part of the 3AL-series, the module works with ISAM backplanes, management systems and power domains. The card includes status LEDs for line activity and error conditions. Its circuitry is built for telecom-grade performance, including surge tolerance and continuous long-term operation. Furthermore, the P4S1N supports remote configuration and monitoring through the ISAM management system.

Usage & Application
This module is used in access networks where operators provide broadband, voice, or multi-service connectivity to subscribers. Because it fits directly in ISAM shelves, it works well in central offices, street cabinets and remote access nodes. It is suitable for environments requiring reliable copper-based subscriber access. Moreover, technicians can replace or upgrade the card without service interruption due to its hot-swap design. As a result, the P4S1N supports stable service delivery in both large-scale and regional deployments.

Why Choose this Product
Choose the Alcatel-Lucent 3AL78821BA P4S1N if you need a dependable, high-density subscriber line card for ISAM access systems. It delivers stable performance, integrates smoothly with existing ISAM infrastructure and supports continuous 24/7 operation. Because the design is optimized for access networks, it offers long-term reliability and efficient service delivery.

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