Space data and information transfer systems — Space link extension (SLE) — Return-channel-frames service

ISO 22670:2006 specifies a return-channel-frames (RCF) service for a space link extension (SLE). The RCF service is an SLE transfer service that delivers to a mission user all telemetry frames from one master channel or one virtual channel.

It defines, in an abstract manner, the RCF service in terms of

• the operations necessary to provide the service;
• the parameter data associated with each operation;
• the behaviours that result from the invocation of each operation;
• the relationship between, and the valid sequence of, the operations and resulting behaviours.