Tellabs 81.5518‑REV‑H is a digital interface or expansion module board used in Tellabs legacy transport and digital cross‑connect systems (such as the TITAN 532L/5320L family and similar SONET/SDH platforms). This board provides internal signal integration and interface expansion functions, coordinating communication between chassis backplane, control logic, and port modules. Commonly found in carrier, metro, and enterprise network systems, this module is typically stocked as a refurbished or spare replacement for maintenance, repair, or upgrades of telecom infrastructure equipment.
Key Features
- Manufacturer: Tellabs
- Part Number: 81.5518‑REV‑H
- Product Type: Digital Interface / Expansion Module Board
- Application: Legacy Tellabs transport and cross‑connect systems
- Function: Interface signal routing and board‑level expansion
- Compatibility: Tellabs TITAN and SONET/SDH chassis frames
- Revision: REV‑H (indicates revision variant)
- Condition: Refurbished or replacement board
Technical Specifications
- Module Type: Digital interface / expansion board
- Function: Interconnects main control logic with port cards and backplane
- Integration: Plugs into chassis backplane or card cage
- Deployment: Carrier, metro, and enterprise telecom networks
- Field‑Replaceable Unit: Yes
- Use Case: Expands or supplements interface logic within transport systems
- Operation: Works alongside other controller and port boards to manage signal flow
90 DAY'S
