01158nam 2200325 450 99657498780331620231212123623.01-5044-9052-5(CKB)4100000012897291(NjHacI)994100000012897291(EXLCZ)99410000001289729120231212d2022 uy 0engur|||||||||||txtrdacontentcrdamediacrrdacarrier8802-3 :2021/Amd 12-2022 - ISO/IEC/IEEE International Standard - Telecommunications and exchange between information technology systems--Requirements for local and metropolitan area networksPart 3 Standard for Ethernet AMENDMENT 12: Maintenance #15: Power over Ethernet /Institute of Electrical and Electronics EngineersNew York, NY :IEEE,2022.1 online resource8802-3Information technologyStandardsInformation technologyStandards.004NjHacINjHaclDOCUMENT9965749878033168802-3 :20213882257UNISA