Tutorials

  1. Public Switched Telephone Network (North America)
  2. Switched Multi-megabit Data Services (SMDS)
  3. Integrated Services Digital Network (ISDN)
  4. X.25 (grandfather of all telecom protocols)
  5. Frame Relay
  6. Pleisiosynchronous Digital Hierarchy
    1. Digital Signalling, DS Levels (DS1, DS3)
    2. T-Carrier (T1, T2, T3, T4)
    3. E-Carrier (E1, E2, E3, E4)
    4. J-Carrier (J1, J2, J3, J4)
  7. Synchronous Digital Hierarchy (SDH)
    1. Optical Cabling (OC3, OC12, OC 48, OC192, OC
    2. SONET
  8. xDSL
  9. Signalling System 7
  10. Asynchronous Transfer Mode (ATM)

Wireless

 

External Links & Tools

 

 


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