Digital Subscriber Lines (DSLs)

• Saw DSLs in Chapter 5

• Can Use Instead of Traditional Leased Lines

  • Less expensive

• HDSL (High-Speed DSL)

  • Symmetrical: Same speed in each direction
  • HDSL: 768 kbps (Half a T1) on a single twisted pair
  • HDSL2: 1.544 Mbps (T1) on a single twisted pair

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