The secondary or end-user end of a special access (non-switched) telephone connection.

A file transfer protocol that includes crash recovery and auto-download features, and can use a 32 bit CRC, which makes it near error-free.

Yellow Page Headings are used to determine where a business customer's listing will appear in the Yellow Pages directory.

Line Crossed. Line tests crossed. Also known as LN XED.

Verizon application for submitting InterLATA PIC and IntraLATA LPIC changes, Billing Name and Address (BNA) requests, Data Gathering requests (all PIC eligible lines under a Billing Telephone Number), [..]

The xDSL Loop Qualification-Extended inquiry allows the CLEC to qualify a new or existing facility for xDSL loops prior to submitting an LSR.

The xDSL Loop Qualification inquiry allows the CLEC to qualify facilities for xDSL loops prior to submitting an LSR.

A generic term for Digital Subscriber Line - the letter "x" means generic.

A LAN

The number assigned to the Task Group of the Accredited Standards Committee for their internal, working documents describing the Fiber Distributed Data Interface