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A common profile for the use of Precision Time Protocol (PTP) of IEEE Std 1588-2008 in power system protection, control, automation, and data communication applications utilizing an Ethernet communications architecture is specified. Keywords: grandmaster clock, IEEE 1588, power substation, precise time synchronization, Precision Time Protocol (PTP), sample synchronization, slave-only clock, synchrophasors, transparent clock.
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100 Gb/s Physical Layer (PHY) specifications and management parameters for operation on electrical backplanes and twinaxial copper cables are added by this amendment to IEEE Std 802.3-2012. This amendment also specifies optional Energy Efficient Ethernet (EEE) for 40 Gb/s and 100 Gb/s operation over electrical backplanes and copper cables. Keywords: 100 Gb/s Ethernet, 100GBASE-CR10, 100G BASE-CR4, 100GBASE-KP4, 100GBASE-KR4, 40 Gb/s Ethernet, 40GBASE-CR4, 40GBASE-KR4, amendment, Auto-Negotiation (AN), Backplane Ethernet, Energy Efficient Ethernet (EEE), Ethernet, Forward Error Correction (FEC), IEEE 802.3, IEEE 802.3bj, Physical Medium Attachment (PMA) sublayer, Physical Medium Dependent (PMD) sublayer.
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The encapsulation and mapping of radio protocols for transport over Ethernet frames, using radio over Ethernet (RoE), are defined in this standard. Structure-agnostic definitions are provided for any digitized radio data. Structure-aware definitions are provided for the Common Public Radio Interface (CPRI(TM)). Native mode definitions are provided for digitized radio in-phase and quadrature (I/Q) payload.
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This amendment to IEEE Std 802.3-2015 specifies additions to and appropriate modifications to add support for interspersing express traffic over a single physical link.
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This amendment to IEEE Std 802.3-2015 adds Physical Layer (PHY) specifications and management parameters for 25 Gb/s operation over twinaxial copper cabling (25GBASE-CR and 25GBASE-CR-S), electrical backplanes (25GBASE-KR and 25GBASE-KR-S), and multimode fiber (25GBASE-SR). This amendment also specifies a 25 Gigabit Attachment Unit Interface (25GAUI) and optional Energy Efficient Ethernet (EEE).
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This amendment to IEEE Std 802.3-2015 adds point-to-point 1 Gb/s Physical Layer (PHY) specifications and management parameters for operation on a single twisted-pair copper cable in an automotive application.
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This amendment to IEEE Std 802.3-2015 adds Physical Layer (PHY) specifications and management parameters for 25 Gb/s operation over single-mode fiber at reaches of at least 10 km (25GBASE-LR) and 40 km (25GBASE-ER).
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