Unclassified cryptographic equipment, assembly, or component, endorsed by the National Security Agency, for use in national security systems as defined in Title 40 U. S. C. Section
145
2. [INFOSEC-99]
Note: The term refers only to products, and not to information, key, services, or controls. Type 2 products may not be used for classified information, but contain classified National Security… (Read More →)

[A] cryptographic algorithm that has been registered by the National Institute of Standards and Technology (NIST) and published as a Federal Information Processing Standard (FIPS) for use in protecting unclassified sensitive, information or commercial information. [INFOSEC-99]

[An] unclassified cryptographic algorithm that has been registered by the National Institute of Standards and Technology (NIST), but not published as a Federal Information Processing Standard (FIPS). [INFOSEC-99]

For basic-rate access in an Integrated Services Digital Network (ISDN) environment, a user-to-network interface reference point that is characterized by the use of a 2-wire-loop transmission system that (a) conveys information between the 4-wire user-to-network interface, i.e., the S/T reference point, and the local exchange, (b) is located in the servicing central office, and (c) is not as distance sensitive… (Read More →)

The conceptual reference point at the network side of the network termination 1 (NT1) in a particular ISDN access arrangement. [T1.615-1992] [T1.105-1988]

Universal Description, Discovery, and Integration

User Datagram Protocol

1. User Equipment,
2. User Element.

Abbreviation for ultra high frequency. See electromagnetic spectrum.

User Interface