Thursday, February 24, 2011

ADSL Asymmetric Digital Subscriber Line

  • is a broadband technology
    • requires a multiplex line
    • is faster than ISDN, but slower than Ethernet
  • is a type of Digital Subscriber Line (DSL)
    • is the most popular in home use; SDSL is second
    • is less expensive than SDSL
  • allows more data to be sent over preexisting copper telephone lines
    • uses a different frequency than voice communications
  • uses a major part of its bandwidth for receiving data
    • supports faster download speeds than upload speeds
      • upload speeds range between 64 Kbps and 1 Mbps
      • download speeds up to 9 Mbps, but usually between 4 and 8 Mbps
  • is ideal for viewing Web pages and downloading files
  • maximum distance is 10,000 ft

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