Class Telecommunications

Glossary

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1. Backhaul

   A wholesale service which provides capacity between an LLU operator’s equipment at a BT local exchange and an operator’s point of interconnection with BT’s network.

2. Bandwidth

   The physical characteristic of a telecommunications system that indicates the speed at which information can be transferred. For ADSL, speeds of up to 8 Mb/s are currently offered, 2 Mb/s is sufficient to transmit a video signal. Technologies such as VDSL offer the possibility of providing data rates of up to 15 Mb/s.

3. BCA

   BT Service using copper wires

4. BRAS