A signal transmitted in the outgoing direction when a terminal determines that specific defects have persisted long enough to declare a received signal failure. The RFI terminology is used with SONET in this standard to promote a more descriptive and consistent terminology. [T1.231-1997]

In computer operations, a mode of operation that allows execution of job instructions received from a remote site and return of the output to the same or a different remote site via a communications link.

A remotely located subscriber line access unit which is normally dependent upon the central processor of the host office for call processing functions. [47 CFR Pt.36-A]

A feature by which a linked registration for one specified terminal address can be carried out from another terminal address. [T1.701-1994]

A login that allows a user terminal to connect to a host computer via a network or direct telecommunications link, and to interact with that host computer as if the user terminal were directly connected to that host computer. Synonym remote logon.

Synonym remote login.

A protocol that (a) provides remote operation capabilities, (b) allows interaction between entities in a distributed application, and (c) upon receiving a remote operations service request, allows the receiving entity to attempt the operation and report the results of the attempt to the requesting entity.

An extension of a local orderwire to a point convenient for personnel to perform required operational and maintenance functions.

A software process by which retrieval of a network-launched application is initiated.

1. The encrypted transmission of keys from a remote source.
2. [A] procedure by which a distant crypto-equipment is rekeyed electrically. [INFOSEC-99]