Tellabs 81.5385 is a telecom line interface module used in legacy Tellabs digital cross‑connect and transport systems (such as the TITAN 532L/5320L family and similar SONET/SDH network platforms). This module provides line‑level interface functionality, handling signal connections between network ports and the chassis backplane. It is commonly used in carrier, enterprise, and service provider environments for equipment maintenance, expansion, or repair.
Key Features
- Manufacturer: Tellabs
- Part Number: 81.5385
- Product Type: Line Interface Module
- Application: Legacy Tellabs digital cross‑connect and SONET/SDH transport systems
- Function: Line signal interface and coordination between port modules and chassis backplane
- Compatibility: Tellabs TITAN 532L/5320L and other legacy transport platforms
- Design: Telecom‑grade line interface board
Technical Specifications
- Module Type: Line interface board
- Function: Provides signal routing and interface at the line level
- Integration: Installed in the chassis backplane or card cage of transport systems
- Deployment: Carrier, metro, and enterprise telecom environments
- Field‑Replaceable Unit: Yes (maintenance replacement module)
- Use Case: Signal interface and coordination in cross‑connect systems
- Operation: Works with associated control and interface modules for signal distribution
90 DAY'S
