Main Page | See live article | Alphabetical index Access failure: In a communications system, an unsuccessful access that results in termination of an access attempt in any manner other than initiation of user information transfer between the intended source and destination (sink) within the specified maximum access time. Note: Access failure can be the result of access denial, access outage, user blocking, or incorrect access. Source: from Federal Standard 1037C This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.