E-4 Hear it!

E-4 Telecom Definition

The fourth level in the European E-carrier digital hierarchy. E-4 operates at a signaling rate of 139.268 Mbps, which supports 1,920 DS-0 channels at 64 kbps for payload. E-4 has been superseded by the SDH fiber optic transmission system (FOTS). See also channel, digital hierarchy, DS-0, E-carrier, FOTS, payload, signaling rate, and SDH.

Browse dictionary entries near E-4

  1. ‹ EŁ luard, Paul
  2. ‹ E-3
  3. ‹ E-2
  4. ‹ E.164
  5. ‹ E-1
  6. ‹ e
  7. ‹ Dzungaria
  8. ‹ Dzhambul
  9. ‹ Dzerzhinsk
  10. ‹ dz
  1. E-5 ›
  2. E-Band ›
  3. e-book ›
  4. E-carrier ›
  5. E. coli ›
  6. e-commerce ›
  7. e'en ›
  8. e'er ›
  9. e.g. ›
  10. E-Government Act ›