Tellabs 81.5502D is a digital transport and interface module board used in Tellabs telecom transport and digital cross-connect systems. This board provides internal signal routing, logic coordination, and interface functionality between system components, enabling proper communication across the chassis backplane.
Installed in a dedicated card slot, the module works alongside controller boards, port modules, and other interface cards to support reliable operation of carrier-grade telecom infrastructure. It is typically available as a refurbished or replacement unit for maintenance and repair of legacy Tellabs systems.
Key Features
- Manufacturer: Tellabs
- Part Number: 81.5502D
- Product Type: Digital Transport / Interface Module Board
- Application: Telecom transport and cross-connect systems
- Function: Signal routing, interface coordination, and internal communication
- Compatibility: Tellabs legacy transport platforms (including TITAN systems)
- Condition: Commonly available as refurbished telecom spare
Technical Specifications
- Module Type: Interface / processing board
- Integration: Plugs into chassis backplane or card cage
- Deployment: Carrier, metro, and central office environments
- System Role: Supports communication between system modules
- Field-Replaceable Unit (FRU)
- Works with controller (GCM/SPM) and port/interface modules
- Designed for continuous telecom operation
- Used for maintenance and system expansion
90 DAY'S
