Tellabs 81.5502C is a high‑reliability module/board used in Tellabs digital transport and cross‑connect systems. Designed as a core interface or logic board, it handles internal communication, signal routing, and logic coordination between line cards and the system backplane. This module is found in carrier, metro, and enterprise telecom environments and is commonly stocked as a refurbished or spare replacement board for system maintenance, upgrades, and repair of legacy Tellabs transport equipment.
Key Features
- Manufacturer: Tellabs
- Part Number: 81.5502C
- Product Type: Transport/Interface Module Board
- Application: Telecom digital transport and cross‑connect systems
- Function: Interface signal coordination and internal control logic
- Compatibility: Tellabs transport shelves and legacy SONET/SDH chassis
- Condition: Refurbished or replacement module board
Technical Specifications
- Module Type: Digital transport interface board
- Function: Routes internal signals and provides logic support between card sets
- Integration: Plugs into chassis backplane or dedicated card slot
- Deployment: Carrier, metro, and enterprise network systems
- Field‑Replaceable Unit: Yes (for maintenance and repair)
- Use Case: Enables interface communication between main boards and port modules
- Operation: Works with control and port boards for signal coordination
90 DAY'S