Abbreviation for electronic document interchange. A computerized system that allows linked computers to conduct business transactions, such as invoicing and ordering, over a telecommunications network.

Abbreviation for extended-definition television.

In a URL, a domain-name suffix indicating an education institution.

End-to-End Path Protection

Electrically Erasable Programmable Read Only Memory

Energy Efficiency and Renewable Energy

End-to-End Resource Planning

Expedited Forwarding

The term "Effective 2-Wire" denotes a condition which permits the simultaneous transmission in both directions over a channel, but it is not possible to insure independent information transmission in both directions. Effective 2-wire channels may be terminated with 2-wire or 4-wire interfaces.

The term "Effective 4-Wire" denotes a condition which permits the simultaneous independent transmission of information in both directions over a channel. The method of implementing effective 4-wire transmission is at the discretion of the Access Service Provider (physical, time domain, frequency-domain separation or echo cancellation techniques).