| Definition: | the basic entity of frequency division multiplex transmission, for transmitted source signals occupying a specified frequency band, comprising the whole of the means of transmission, over a given transmission medium, between two consecutive separation points at this frequency band
NOTE 1 – An FDM link provides transmission in both directions unless otherwise specified.
NOTE 2 – An FDM link never includes a direct through-connection filter.
NOTE 3 – In such cases as optical fibre transmission, radio-relay transmission, etc, the appropriate terminal equipment is included within the FDM link.
|