In start-stop teletypewriter operation, the shifting of the end of all marking pulses, except the stop pulse, from their proper positions in relation to the beginning of the next start pulse.
Note 1: Shifting of the end of the stop pulse is a deviation in character time and rate rather than an end distortion.
Note 2: Spacing end distortion is… (Read More →)

1. In cryptography, a certificate subject that (a) uses its private key for purposes other than signing certificates, or (b) uses its public key for purposes other than signing certificates. [After X.509]
2. The subject of the final certificate in a certification path, i.e., that subject which is not a certificate authority. [After X9.5]

Synonym end office.

For an optical fiber, the optical quality of the surface at the end of the fiber.

A communication device that is connected to the terminals of a circuit.

A central office at which user lines and trunks are interconnected. Synonym end exchange.

A system containing the application processes that are the ultimate source and sink of user traffic.
Note: The functions of an end system can be distributed among two or more processors or computers.

1. The ultimate user of a telecommunications service.
2. A person in contact with a Target of Evaluation who makes use only of its operational capacity [ITSEC].

A control character that may be used to identify either the physical end of a data medium or the end of the usable or used portion of a data medium. [From Weik '89]

In tape relay procedure, the letter and key functions, including the end-of-message indicator, that constitute the last format line.