Alcatel Lucent 91-E03100-A Interface Module

The Alcatel Lucent 91‑E03100‑A (also referenced as 91E03100A) is a versatile interface module engineered for telecommunications and data transmission systems. This unit serves as a critical bridge between different network segments, converting electrical and optical signals with minimal latency and high fidelity. It is commonly deployed in central office switching centers, metro transport rings, and enterprise backbone networks where signal integrity and protocol transparency are paramount.

Overview

The 91‑E03100‑A module is part of Alcatel Lucent’s legacy transmission portfolio, designed to operate within carrier‑grade chassis systems. It provides a variety of physical interfaces, including coaxial, SFP‑based optical ports, and high‑density backplane connectors, enabling flexible adaptation to existing infrastructure. The module supports standard SDH (Synchronous Digital Hierarchy) and SONET framing, making it suitable for TDM and packet‑over‑SONET applications. Its hot‑swappable design and redundant power paths ensure high availability in mission‑critical environments.

Key Features

• Multiple interface types: optical SFP, electrical BNC, and high‑speed backplane

• Support for SDH STM‑1/4/16 and SONET OC‑3/12/48 rates

• Built‑in clock recovery and signal regeneration for extended reach

• Low power consumption with advanced power management circuitry

• Hot‑swappable field‑replaceable unit (FRU) for minimal service disruption

• Diagnostic LEDs for link status, signal quality, and fault indication

• Compliant with ITU‑T G.707 and Telcordia GR‑253 standards

Technical Specifications

• Data Rate: Up to 2.5 Gbps (STM‑16/OC‑48)

• Optical Interfaces: 2x SFP slots (compatible with 1310nm/1550nm optics)

• Electrical Interfaces: 4x BNC (75Ω) for E1/T1 or DS3/E3

• Backplane Connector: High‑density 80‑pin for chassis integration

• Clock Input: External BITS or line‑derived

• Power Supply: -48 VDC, 25 W typical

• Operating Temperature: 0°C to 50°C

• Humidity: 5% to 90% non‑condensing

Applications

This interface module is ideal for transport network aggregation, connecting legacy TDM equipment to modern optical backbones. It is frequently used in mobile backhaul sites, utility communication networks, and government secure communication links. Its ability to adapt between copper and fiber media makes it a practical solution for gradual network migration.

Integration and Management

The 91‑E03100‑A integrates seamlessly with Alcatel Lucent management platforms, including the 1350 NM and 5620 SAM. It supports remote monitoring via SNMP and TL1, allowing operators to track performance metrics such as received optical power, bit error rate (BER), and temperature. Alarms are reported through the chassis alarm panel and can be forwarded to external NMS.

Installation and Maintenance

Installation involves inserting the module into a designated slot of the host chassis, securing it with captive screws, and connecting the necessary cables. The module automatically initializes and negotiates with the backplane. Routine maintenance includes cleaning optical connectors, verifying software version compatibility, and monitoring front‑panel LEDs for abnormal states. Replacement is straightforward due to the hot‑swap capability.

Conclusion

The Alcatel Lucent 91‑E03100‑A interface module offers a robust, high‑performance signal conversion and transmission solution for carriers and large enterprises. Its support for multiple interface types, compliance with international standards, and ease of maintenance make it a dependable component for sustaining legacy services while preparing for next‑generation packet networks.