Past PHY naming some thoughts
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1 Past PHY naming some thoughts Edited by Brad Booth Originally created by David Law Page 1
2 Existing IEEE PHYs - Page 1 of 3 2BASE-TL-O Voice grade CO UTP PHY as specified in Clause 61 and 63 2BASE-TL-R Voice grade subscriber UTP PHY as specified in Clause 61 and 63 10BASE5 Thick coax MAU as specified in Clause 8 (deprecated) FOIRL FOIRL MAU as specified in 9.9 (deprecated) 10BASE2 Thin coax MAU as specified in Clause 10 10BROAD36 Broadband DTE MAU as specified in Clause 11 (deprecated) 10BASE-T UTP MAU as specified in Clause 14, duplex mode unknown 10PASS-TS-O Voice grade CO UTP PHY as specified in Clause 61 and 62 10PASS-TS-R Voice grade subscriber UTP PHY as specified in Clause 61 and 62 10BASE-FP Passive fiber MAU as specified in Clause 16 10BASE-FB Synchronous fiber MAU as specified in Clause 17 10BASE-FL Asynchronous fiber MAU as specified in Clause BASE-T4 Four-pair Category 3 UTP as specified in Clause BASE-TX Two-pair Category 5 UTP as specified in Clause BASE-BX10-D One-fiber OLT PHY as specified in Clause BASE-BX10-U One-fiber ONU PHY as specified in Clause BASE-FX X fiber over PMD as specified in Clause BASE-LX10 Two-fiber PHY as specified in Clause BASE-T2 Two-pair Category 3 UTP as specified in Clause BASE-BX10-D One-fiber OLT PHY as specified in Clause BASE-BX10-U One-fiber ONU PHY as specified in Clause 59 Page 2
3 Existing IEEE PHYs - Page 2 of BASE-LX X fiber over long-wavelength laser PMD as specified in Clause BASE-LX10 Two-fiber 10 km PHY as specified in Clause BASE-PX10-D One-fiber OMP OLT 10 km PHY as specified in Clause BASE-PX10-U One-fiber OMP ONU 10 km PHY as specified in Clause BASE-PX20-D One-fiber OMP OLT 20 km PHY as specified in Clause BASE-PX20-U One-fiber OMP ONU 20 km PHY as specified in Clause BASE-SX X fiber over short-wavelength laser PMD as specified in Clause BASE-CX X copper over 150-Ohm balanced cable PMD as specified in Clause BASE-KX X PCS/PMA over an electrical backplane PMD as specified in Clause BASE-T Four-pair Category 5 UTP PHY as specified in Clause 40 10GBASE-LX4 X fiber over WWDM optics as specified in Clause 53 10GBASE-CX4 X copper over 8 pair 100-Ohm balanced cable as specified in Clause 54 10GBASE-KX4 X PCS/PMA over an electrical backplane PMD as specified in Clause 71 10GBASE-ER R fiber over 1550 nm optics as specified in Clause 52 10GBASE-LR R fiber over 1310 nm optics as specified in Clause 52 10GBASE-SR R fiber over 850 nm optics as specified in Clause 52 10GBASE-LRM R fiber over 1310 nm optics as specified in Clause 68 10GBASE-KR R PCS/PMA over an electrical backplane PMD as specified in Clause 72 10GBASE-EW W fiber over 1550 nm optics as specified in Clause 52 10GBASE-LW W fiber over 1310 nm optics as specified in Clause 52 Page 3
4 Existing IEEE PHYs - Page 3 of 3 10GBASE-LW W fiber over 1310 nm optics as specified in Clause 52 10GBASE-SW W fiber over 850 nm optics as specified in Clause 52 10GBASE-T Four-pair twisted-pair balanced copper cabling PHY as specified in Clause 55 10/1GBASE-PRX-D1 One single-mode fiber GBd continuous downstream / 1.25 GBd burst mode upstream OLT PHY as specified in Clause 75, 10 km and a split ratio of at least 1:16 10/1GBASE-PRX-D2 One single-mode fiber GBd continuous downstream / 1.25 GBd burst mode upstream OLT PHY as specified in Clause 75, 10 km and the split ratio of at least 1:32 10/1GBASE-PRX-D3 One single-mode fiber GBd continuous downstream / 1.25 GBd burst mode upstream OLT PHY as specified in Clause 75, 20 km and a split ratio of at least 1:32 10/1GBASE-PRX-U1 One single-mode fiber GBd continuous downstream / 1.25 GBd burst mode upstream ONU PHY as specified in Clause 75, 10 km and a split ratio of at least 1:16 10/1GBASE-PRX-U2 One single-mode fiber GBd continuous downstream / 1.25 GBd burst mode upstream ONU PHY as specified in Clause 75, 10 km and the split ratio of at least 1:32 10/1GBASE-PRX-U3 One single-mode fiber GBd continuous downstream / 1.25 GBd burst mode upstream ONU PHY as specified in Clause 75, 20 km and a split ratio of at least 1:32 10GBASE-PR-D1 One single-mode fiber GBd continuous downstream / burst mode upstream OLT PHY as specified in Clause 75, 10 km and a split ratio of at least 1:16 10GBASE-PR-D2 One single-mode fiber GBd continuous downstream / burst mode upstream OLT PHY as specified in Clause 75, 10 km and the split ratio of at least 1:32 10GBASE-PR-D3 One single-mode fiber GBd continuous downstream / burst mode upstream OLT PHY as specified in Clause 75, 20 km and a split ratio of at least 1:32 10GBASE-PR-U1 One single-mode fiber GBd continuous downstream / burst mode upstream ONU PHY as specified in Clause 75, 10 km and a split ratio of at least 1:16 10GBASE PR U3 One single mode fiber GBd continuous downstream / burst mode upstream ONU PHY as specified in Clause 75, 20 km and a split ratio of at least 1:32 Note: PHY types added by IEEE P802.3av 10Gb/s EPON included as the last recirculation just closed with 100% approval and no comments. Page 4
5 Data rate: 2 2Mb/s 10 10Mb/s Mb/s Mb/s 10G 10Gb/s 10/1G 10Gb/s downstream, 1Gb/s upstream MAU/PHY naming BROAD Broadband PASS Passband ntype-lllm-eo Additional distinction: First letter (media or wavelength) B Bidirectional optics C Twin axial copper E Extra long wavelength (1550nm) F Fiber K Backplane L Long wavelength (1310nm) P Passive optics S Short wavelength (850nm) T Twisted pair Second letter (reach or PCS encoding) B Backbone L Link (10BASE-FL), Long reach (2BASE-TL) P Passive optics R Scrambled coding (64B66B) S Short reach W WAN coding (SONET/SDH) Third letter M Multimode Length/Pairs/PMD Lanes Optical PHY with data rate <= 1000 Mb/s (optional) Maximum segment length in km Copper PHY with data rate = 100 Mb/s (optional) Number of pairs used PHY with data rate >= 10 Gb/s Number of lanes Optical budget (10Gb/s EPON PHYs only) 1 10 km and a split ratio of at least 1: km and the split ratio of at least 1: km and a split ratio of at least 1:32 End (Asymmetric PHYs only) D Downstream (OLT) U Upstream (ONU) O Central Office R Subscriber Note - The PCS and PMD family names based on use of either the first or second letter. Examples are 10GBASE-L for 10Gb/s long wavelength PMD family and 10GBASE-R for 10Gb/s IEEE scrambled encoding Maintenance PCS family. Task Force Page 5
6 Legacy naming for 10Mb/s Coax MAUs Data rate: 10 10Mb/s ntypem BROAD Broadband Segment length Maximum segment length, rounded up to the nearest 100 meters, divided by 100 meters Note: Naming convention for 10BASE5, 10BASE2 and 10BROAD36 Page 6
7 Data rate: 2 2Mb/s 10 10Mb/s Mb/s Mb/s 10G 10Gb/s Copper MAU/PHY naming PASS Passband ntype-lllm-eo Additional distinction: First letter (media or wavelength) C Twin axial copper K Backplane T Twisted pair Second letter (reach or PCS encoding) L Long reach (2BASE-TL) R Scrambled coding (64B66B) S Short reach Third letter Length/Pairs/PMD Lanes Copper PHY with data rate = 100 Mb/s (optional) Number of pairs used PHY with data rate >= 10 Gb/s Number of lanes End (Asymmetric PHYs only) O Central Office R Subscriber Optical budget (10Gb/s EPON PHYs only) Note - The PCS and PMD family names based on use of either the first or second letter. Examples are 10GBASE-L for 10Gb/s long wavelength PMD family and 10GBASE-R for 10Gb/s IEEE scrambled encoding Maintenance PCS family. Task Force Page 7
8 Access Optics MAU/PHY naming Data rate: Mb/s Mb/s 10G 10Gb/s 10/1G 10Gb/s downstream, 1Gb/s upstream ntype-lllm-eo Additional distinction: First letter (media or wavelength) B Bidirectional optics L Long wavelength (1310nm) P Passive optics Second letter (reach or PCS encoding) R Scrambled coding (64B66B) Third letter Length/Pairs/PMD Lanes Optical PHY with data rate <= 1000 Mb/s (optional) Maximum segment length in km End (Asymmetric PHYs only) D Downstream (OLT) U Upstream (ONU) Optical budget (10Gb/s EPON PHYs only) 1 10 km and a split ratio of at least 1: km and the split ratio of at least 1: km and a split ratio of at least 1:32 Note - The PCS and PMD family names based on use of either the first or second letter. Examples are 10GBASE-L for 10Gb/s long wavelength PMD family and 10GBASE-R for 10Gb/s IEEE scrambled encoding Maintenance PCS family. Task Force Page 8
9 Enterprise Optic MAU/PHY naming (excluding PON) Data rate: 10 10Mb/s Mb/s Mb/s 10G 10Gb/s 10/1G 10Gb/s downstream, 1Gb/s upstream BROAD Broadband PASS Passband ntype-lllm-eo Additional distinction: First letter (media or wavelength) E Extra long wavelength (1550nm) F Fiber L Long wavelength (1310nm) S Short wavelength (850nm) Second letter (reach or PCS encoding) R Scrambled coding (64B66B) W WAN coding (SONET/SDH) Third letter M Multimode Length/Pairs/PMD Lanes PHY with data rate >= 10 Gb/s Number of lanes or wavelengths **** End (Asymmetric PHYs only) Optical budget (10Gb/s EPON PHYs only) Note - The PCS and PMD family names based on use of either the first or second letter. Examples are 10GBASE-L for 10Gb/s long wavelength PMD family and 10GBASE-R for 10Gb/s IEEE scrambled encoding Maintenance PCS family. Task Force Page 9
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