E1 Physicals
Rate of 2.048 mbps
Single frame is 256 bits wide (125 microseconds)
32 timeslots (DS0 s)
- Each DSO is 8 bits wide (64K rate per second)
Timeslot 0 used for Synchronization
Two types of physical delivery
Unbalance 120 W
- Copper delivery on 4 wires
one pair for RX (1+2)
one pair for TX (4+5)
Balanced 75 W
- Coax with BNC connectors
one cable for RX
one cable for TX
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E1 Link (or E-1) is a European digital transmission format devised by the ITU-TS and given the name by the Conference of European Postal and Telecommunication Administration (CEPT). It's the equivalent of the North American T-carrier system format. E2 through E5 are carriers in increasing multiples of the E1 format.
Labels
- E1 bit Structure (2)
- E1 Frame Structuret (1)
- E1 Maketing (1)
- E1 Multi Frame Structure (2)
- E1 Physicals (1)
- E1 Standards (2)
- G.703 (1)
- G.732-G.704 (1)
- GPRS (1)
- HDSL (1)
- UMTS Network (1)
- What is E1 (1)
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