LAN Emulation Configuration Server - A server whose main function is to provide configuration information to a LEC (such as the ELAN it belongs to or its LES).

LAN Emulation Configuration Server. Entity that assigns individual LANE clients to particular ELANs by directing them to the LES that corresponds to the ELAN. There is logically one LECS per administrative domain, and this serves all ELANs within that domain. See also ELAN.

LAN emulation configuration server. Portion of ATM Multicast Server (MCS) software that maintains tables of information such as virtual LAN membership and addresses.

Local Exchange Carriers (e.g., Southern Bell, GTE, and Carolina Spring); local telephone company

Local enterprise companies in Scotland which combine business development and training responsibilities and have some functions in common with TECs in England and Wales

Local telephone companies: Southern Bell, GTE and Carolina Sprint.

See Levy Exemption Certificates

When we produce or purchase renewable electricity we receive Levy Exempt Certificates (LECs) and Renewable Obligation Certificates (ROCs). This means that when we supply renewable electricity to our customers it is backed by LECs. For our business customers this means that they will not have to pay the climate change levy.