Technology Overview

Local Loop

• The Physical Connection
• Analog vs. Digital
  

Digital Service

• Dedicated vs. Switched
• Access Technologies
  

Bandwidth Equivalents

Dedicated Services

• DS-0 Technology
• DS-1 (T1) Technology
• DS-3 (T3) Technology
• xDSL Technology

Switched Services

• Circuit Switching
  • ISDN Technology
    • BRI Technology
    • PRI Technology
• Packet Switching
  • Frame Relay Technology
  • Frame Relay Reference Model

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