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Note: This section is out of date and no longer maintained.
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SDSLThe S in SDSL stands for Single line DSL. SDSL needs just one twisted pair (line), whereas some other earlier DSL standards needed two, or even three pairs. In addition, it is useful to remember that this standard is symmetric, ie, the maximum data rate both upstream and downstream is the same. Compare this to ADSL (which also needs just one line!).
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