Tellabs ESM 81.5509 Telecom Network Module Board Card 16.1365.0 80.5509

Circuit board and connectors are clean with components intact. Front white panel and original Tellabs box show light storage marks, tape, and label residue. Includes board in foam-lined box only; no cables, manuals, or additional accessories. Power-on or functional testing has not been performed, so working functionality is unknown.

Brand: Tellabs

Model: ESM telecom network module circuit board

Part numbers printed on unit and PCB: 81.5509 on the front panel, 16.1365.0 and 80.5509 on the main board

Front panel features: active and fault status LEDs, static sensitive warning, and a metal ejector handle for rack installation

Board details: large green multi-layer PCB with integrated heatsinks, high-density surface-mount components, and edge connectors for Tellabs systems

Markings on PCB include "* denotes ground pad" and various labeled test points

Packaging: housed in a foam-lined Tellabs cardboard box for protection during storage and shipment

Keywords: Tellabs ESM spare card, telecom network equipment, replacement module 81.5509 16.1365.0 80.5509

Brem storage 102