1. The ability of an item to perform a required function under stated conditions for a specified period of time.
2. The probability that a functional unit will perform its required function for a specified interval under stated conditions.
3. The continuous availability of communication services to the general public, and emergency response activities in particular, during normal operating conditions… (Read More →)

See performance reliability.

1. The process of determining whether existing hardware, firmware, or software has achieved a specified level of operational reliability.
2. The process of determining the achieved level of operational reliability of existing hardware, firmware, or software. Synonym reliability evaluation. [From Weik '89]

Synonym reliability assessment.

1. Residual information remaining on storage media after clearing. [INFOSEC-99]
2. The persistence of information on computing or communications media or equipment even following a purge [CESG].
Note: Normally used to refer to residual information which would only be accessible using specialist techniques. Example: magnetic remanence. See also: Object Reuse, Purge.

1. Pertaining to communication with a data processing facility from a remote location or facility through a data link.
2. A PABX service feature that allows a user at a remote location to access by telephone PABX features, such as access to wide area telephone service (WATS) lines.
Note: For remote access, individual authorization codes are usually required.

Data processing in which some input/output functions are performed by devices that are connected to a computer system by means of data communication.

An access line (e.g., for WATS or TWX service) between a subscriber's premises in one toll rate center and a serving central office located in a different toll rate center. [47 CFR Pt.36-A]

In a PVP (packetized voice protocol) node, an indication that the far-end PVP node is experiencing an alarm condition. This occurs because of either the loss of keep-alive signaling packets, or the receipt of signaling packets with the normal/alarm (N/A) bit set to
1. [T1.312-1991]

A signal transmitted in the outgoing direction when a terminal determines that it has lost the incoming signal. RAI is commonly called the yellow alarm signal. For superframe (SF) operation, an RAI is transmitted by setting the bit-2 position of every channel time slot to zero. For extended superframe (ESF) operation, an RAI is transmitted by introducing a priority message… (Read More →)