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)



External Links & Tools



Bookmark this page and SHARE:  


Support InetDaemon.Com

Get Tutorials in your INBOX!

Free Training