Tellabs 81.5383 is a legacy port controller module used in Tellabs TITAN 532L and Tellabs 5320L digital cross‑connect systems. These systems were widely deployed in carrier and telecom central offices to handle voice, data, and SONET traffic in regional and long‑haul networks. The module functions as part of the system’s line‑side interface, coordinating port‑level signal control and contributing to the overall routing and switching functions of the chassis. Multiple revisions of this part (such as REV‑M, REV‑N, REV‑O, REV‑K) have been stocked and sold on telecom refurbished inventories.
Key Features
- Manufacturer: Tellabs
- Part Number: 81.5383 (with revision variants REV‑M, REV‑N, REV‑O, REV‑K)
- Product Type: Port Controller / Line Port Module
- Application: Tellabs TITAN 532L / 5320L digital cross‑connect systems
- Compatibility: Legacy SONET/SDH network transport equipment
- Design: Telecom‑grade controller board
Technical Specifications
- Module Function: Port control and interface management within system chassis
- Integration: Plugs into the backplane of Tellabs Titan 532L / 5320L chassis
- Deployment: Legacy telecom central office equipment
- System Type: Carrier or service provider SONET/SDH cross‑connect
- Revisions: Multiple known revision variants exist (e.g., REV‑M, REV‑N, REV‑O, REV‑K)
- Field Replaceable: Designed for rack/shelf replacement
- Use Case: Signal routing, interface control in legacy transport systems
90 DAY'S
