Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

  • Congratulations Rhinorhino on being selected by the Tek-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  • Users: john00436
  • Content: Threads
  • Order by date
  1. john00436

    R2 MFC signalling through E1 framing

    Hi Gurus, I want to know about the R2 MFC signalling for E1 connection. I have few doubts, Which codec and companding methode is used for PCM coding (G.711 A-law or u-law)? I learned from some where that E1 uses A-Law companding. Is that right? Whether the time slots for the voice channels...
  2. john00436

    Modulation technique used over the 2-wire (Tip & Ring) of POTS

    Hi Gurus, I have been surfing for some time but am not able to figure out as to which modulation technique is used for voice communication over the two wire i/f from CO (Tip & Ring). There are places were I find Amplitude Modulation is being used with distinct carriers for Tx & Rx, is it true...

Part and Inventory Search

Back
Top