{"L1_core": {"type": "cat6a", "domain": "networking", "category": "cable", "subcategory": "twisted_pair"}, "L4_features": ["10gbase_t_full", "alien_crosstalk_spec", "high_density"], "L3_standards": ["TIA/EIA-568-C.2", "ISO/IEC 11801 Class EA"], "L2_performance": {"awg": 23, "pairs": 4, "speed_gbps": 10, "frequency_mhz": 500, "max_distance_m": 100}}