Inside the Hardware Stack: Sub-control Boards, MCU and Passive RFID Tags
A walkthrough of the field-proven hardware stack: standard ODF/sub-rack compatible sub-control boards, a high-reliability main control unit, and clip-on passive RFID tags with no external power.
Sub-control board: monitoring at the tray level
The sub-control board is a modular optical tray and sub-rack controller for real-time port state monitoring. It follows standard 19-inch and ETSI rack ODF sub-rack structures, so it retrofits into existing frames without rewiring the patch field.
Main control unit: aggregation and bus communication
The main control unit is the high-reliability central controller that aggregates port events from sub-control boards and handles bus communication toward the platform layer, keeping tray-level electronics simple and field-replaceable.
Passive RFID tags: identity without power
Clip-on passive smart tags attach to optical patch cords and fiber ports. They require no external power and no battery replacement cycle, which is what makes fleet-wide tagging economically viable across thousands of ports.
Platform layer: central NMS and cloud OSS
Above the hardware sits the centralized optical resource management system with cloud OSS integration, consuming scan and port-state data to keep the fiber path digital twin current.
Kingneed Engineering Team
Optical Resource Management R&D, Kingneed
Field engineers and solution architects who design, deploy and audit RFID-based passive optical network resource management systems across carrier regional networks. Articles are reviewed against pilot measurement records before publication.