An assembler that can run symbolic-language input on one type of computer and produce machine-language output for another type of computer.

An authentication method used by one certificate authority (CA) to certify any CA other than a CA immediately adjacent to it in a hierarchy (i.e., a superior or subordinate CA). [After X9.57]

The coupling of a signal from one channel, circuit, or conductor to another, where it is usually considered to be an undesired signal.

Intermodulation caused by the modulation of the carrier of a desired signal by an undesired signal.

A check made across the exchange to verify that an acceptable speech path exists. [T1.226-1992]

A radiotelegraph network operational procedure in which calling stations, such as ship stations, call other stations, such as shore stations, using one frequency, and then shift to another frequency to transmit their messages; the called stations answer using a third frequency.

Synonym cross-connection.

Connections between terminal blocks on the two sides of a distribution frame, or between terminals on a terminal block.
Note: Connections between terminals on the same block are also called straps. Synonyms cross-connect, jumper.

A trunk that has its terminations within a single facility.

Pertaining to software that will run on more than one operating system (i.e., on more than one platform).