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In page Ethernet in the first mile:

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  • 2BASE-TL -- defined in clauses 61 and 63. Full-duplex long-reach point-to-point link over voice-grade copper wiring. 2BASE-TL PHY can deliver a minimum of 2 Mbit/s and a maximum of 5.69 Mbit/s over distances of up to 2700 m (9,000 ft), using ITU-T G.991.2 (G.SHDSL.bis) technology over a single copper pair.
  • 10PASS-TS -- defined in clauses 61 and 62. Full-duplex short-reach point-to-point link over voice-grade copper wiring. 10PASS-TS PHY can deliver a minimum of 10 Mbit/s over distances of up to 750 m (2460 ft), using ITU G.993.1 (VDSL) technology over a single copper pair.