Alcatel-Lucent (Nokia) 3AL78821BA P4S1N 4×STM-1 Electrical/Optical Port Card for 1660SM

Alcatel-Lucent (Nokia) 3AL78821BA P4S1N 4×STM-1 Electrical/Optical Port Card for 1660SM

3AL78821BA (P4S1N) is a 4×STM-1 electrical/optical port card designed for Alcatel-Lucent 1660SM SDH transmission platform. It supports STM-1 SDH services for metro optical transport networks. This card can fit up to 2 optical or electrical modules on its front panel; the remaining 2 STM-1 interfaces require a matched access card such as A2S1 to complete the full 4-port configuration.

Product Details

Manufacturer: Nokia / Alcatel-Lucent
Part Number: 3AL78821BA
Card Model: P4S1N
Product Type: 4×STM-1 Electrical/Optical Port Card
Client Ports: Supports up to 4 STM-1 interfaces (max 2 optical/electrical modules on front panel; extra ports require compatible access card like A2S1)
Compatible Platform: Alcatel-Lucent 1660SM SDH transmission systems
Condition: Used or refurbished, subject to actual stock availability and inspection.

Key Features

• P4S1N 4×STM-1 electrical/optical port card for Alcatel-Lucent 1660SM SDH platform
• Supports STM-1 SDH transmission services for metro optical transport networks
• Front panel accepts up to 2 optical or electrical modules; full 4-port deployment needs supporting access card
• Hot-swappable design, reduces service interruption during maintenance
• For legacy telecom network repair, upgrade and spare part replacement
• Carrier-grade, reliable for long-term SDH transmission deployments

Compatibility Notice

Please verify the complete part number, hardware revision, card condition, and system software compatibility before purchase or installation. Confirm the supported configuration against the applicable Alcatel-Lucent 1660SM product documentation.
Note: Please verify the full part number against the physical label before ordering.