Transmission system and transmission apparatus
AssigneeFujitsu Limited
InventorKimio Watanabe
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Abstract
A transmission system comprises a plurality of transmission apparatuses which use a single channel commonly. Each transmission apparatus comprises switches for connecting and disconnecting transmission paths with adjacent transmission apparatuses, a line signaling-signal monitoring and detecting portion, and a network dividing logic portion which opens and closes the switches based on an output of the line signaling-signal monitoring and detecting portion. The network dividing logic portion closes switches of transmission paths between transmission apparatuses which perform a telephone conversation and opens the other switches.
Claims7
A transmission system comprising a plurality of transmission apparatuses which use a single channel commonly,
- each transmission apparatus comprising switches for connecting and disconnecting transmission paths with other transmission apparatuses, a line signaling-signal monitoring and detecting portion, and a network dividing logic portion which opens and closes said switches based on an output of said line signaling-signal monitoring and detecting portion,
- wherein said network dividing logic portion closes switches for the transmission paths between transmission apparatuses which perform a telephone conversation and opens the other switches.
A transmission apparatus which uses a single channel commonly together with other transmission apparatuses, said transmission apparatus comprising:
- switches for connecting and disconnecting transmission paths connected with other transmission apparatuses;
- a line signaling-signal monitoring and detecting portion which monitors and detects, for each line, a signaling signal transmitted between said transmission apparatus and another transmission apparatus;
- and
- a network dividing logic portion which opens and closes said switches based on an output of said line signaling-signal monitoring and detecting portion,
- wherein said network dividing logic portion closes switches for transmission paths between transmission apparatuses which perform a telephone conversation and opens the other switches.
Dependencies are inferred from the claim text.