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HDSL |
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High Data Rate Digital Subscriber Line (HDSL), also covered in this article

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SDSL |
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Symmetric Digital Subscriber Line (SDSL), a standardised version of HDSL

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ADSL |
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Asymmetric Digital Subscriber Line (ADSL), a version of DSL with a slower upload speed

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IDSL |
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ISDN Digital Subscriber Line (IDSL)

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RADSL |
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Rate-Adaptive Digital Subscriber Line (RADSL)

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VDSL |
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Very High Speed Digital Subscriber Line (VDSL)

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VDSL2 |
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Very High Speed Digital Subscriber Line 2 (VDSL2), an improved version of VDSL

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G.SHDSL |
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Symmetric High-speed Digital Subscriber Line (G.SHDSL)

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PDSL |
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Powerline Digital Subscriber Line (PDSL)

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UDSL |
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UDSL

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Etherloop |
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Etherloop Ethernet Local Loop

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DSL |
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DSL

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