01214nas 2200373- 450 99619784430331620230329235222.0(CKB)110978984568219(CONSER)--2012213527(DE-599)ZDB2932782-9(EXLCZ)9911097898456821920100825a19999999 -u- -engtxtrdacontentcrdamediacrrdacarrierJournal of Mediterranean ecology JMEReggio Emilia, Italy :Firma Effe Publisher1 online resourceRefereed/Peer-reviewedPrint version: Journal of Mediterranean ecology : 1388-7904 (DLC) 2012213527 (OCoLC)661066297 JMEJ MEDITERR ECOLJ MEDITERR ECOLMediterranean-type ecosystemsPeriodicalsMediterranean-type ecosystemsfast(OCoLC)fst01015462Periodicals.fastMediterranean-type ecosystemsMediterranean-type ecosystems.JOURNAL996197844303316exl_impl conversionJournal of Mediterranean ecology2094327UNISA01630nam 2200373 450 991050710690332120231213215809.01-5044-8094-510.1109/IEEESTD.2021.9599616(CKB)4100000012108945(NjHacI)994100000012108945(EXLCZ)99410000001210894520231213d2021 uy 0engur|||||||||||txtrdacontentcrdamediacrrdacarrier8802-3:2021/Amd 4-2021 IEEE/ISO/IEC Telecommunications and exchange between information technology systems -- Requirements for local and metropolitan area networks -- Part 3: Standard for Ethernet AMENDMENT 4: Physical layers and management parameters for 50 Gb/s,200 Gb/s, and 400 Gb/s operation over single-mode fiber /Institute of Electrical and Electronics EngineersNew York, NY, USA :IEEE,2021.1 online resource (90 pages)This amendment to IEEE Std 802.3-2018 adds Physical Layer (PHY) specifications and management parameters for 50 Gb/s, 200 Gb/s, and 400 Gb/s operation over single-mode fiber with reaches of at least 40 km.8802-3Local area networks (Computer networks)Metropolitan area networks (Computer networks)Local area networks (Computer networks)Metropolitan area networks (Computer networks)004.68NjHacINjHaclDOCUMENT99105071069033218802-3:20211997474UNINA