Alcatel-Lucent 3EH73084AEJD08 High-Density Interface Card – Detailed Analysis
The Alcatel-Lucent 3EH73084AEJD08 is a high-density interface card designed for deployment in carrier-grade telecommunications switching and routing platforms. This module provides extensive connectivity and advanced packet processing capabilities, making it a critical component for network aggregation, service delivery, and traffic management in central office and data center environments.
Constructed on a multi-layer PCB with controlled impedance traces, the 3EH73084AEJD08 ensures signal integrity for high-speed data transmission. The board integrates a powerful network processor (NPU) and multiple co-processors for offloading packet processing, encryption, and traffic management tasks. High-capacity memory modules provide buffering and flow control, while a dedicated EEPROM stores configuration parameters for automatic system identification.
Interfacing with the system chassis is achieved through a high-bandwidth backplane connector, providing power, ground, and multiple high-speed lanes for data exchange. The module also features front-panel connectivity options, including SFP/SFP+ cages and RJ-45 ports, allowing it to serve both as a fabric-facing module and a line interface for external networks.
Signal processing capabilities are extensive, with support for advanced packet filtering, header modification, Quality of Service (QoS) classification, and traffic shaping. Hardware acceleration for IPsec and MACsec encryption ensures secure communication. The module includes a temperature-compensated oscillator for accurate timing and synchronization, supporting Sync-E and IEEE 1588v2 PTP.
Thermal management is facilitated through thermal vias, copper heat spreaders, and a dedicated heat sink. A thermal sensor provides real-time temperature readings, enabling dynamic fan speed control. The module operates reliably in ambient temperatures from 0°C to 55°C with forced-air cooling.
Reliability features include built-in self-test (BIST), error detection and correction (ECC), and redundant power distribution. The module supports hot-swap insertion and removal, with an MTBF of over 300,000 hours.
Management and diagnostics are provided through an on-board micro-controller, offering detailed performance counters and alarm thresholds. Remote firmware upgrades are supported via TFTP or FTP with dual-image backup.
Compliance includes CE, FCC Part 15, RoHS, and NEBS Level 3 standards, making it suitable for central office, remote hut, and outdoor cabinet deployments.
Typical applications include metro Ethernet aggregation, MPLS VPN services, and interconnecting multiple chassis. The 3EH73084AEJD08 provides the density and performance needed for network expansion and capacity upgrades.
In summary, the Alcatel-Lucent 3EH73084AEJD08 is a robust, high-performance interface card that delivers exceptional performance and flexibility for demanding telecom infrastructures.




