URL: http://www.dslforum.org/
Single-Line Digital Subscriber Line (SDSL) is
single-line version of HDSL, transmitting T1/E1 signals over a single twisted
pair, so that a single line can support telephone line and T1/E1 at the same
time. It fits the market for residence connection, which must often work over a
single telephone line. However, SDSL will not reach much beyond 10,000 feet. At
the same distance, ADSL reaches rates above 6 Mbps.
Keywords:
Modem, serial, high speed, physical layer, Access Technology
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