Modular communication device

7:

• The device as claimed in claim 1, in which each modular element (2) comprises a peripheral board (4) and a connection board (5),
• the peripheral board (4) comprising:
• the downstream connection interface, the peripheral board (4) furthermore comprising:
• an intermediate interface (14) comprising a series of N upstream input-output terminals (17) disposed in locations forming a second predetermined pattern,
• a plurality of bidirectional electrical links (19), each bidirectional electrical link connecting an upstream input-output terminal (17) situated in a location of rank i within the predetermined pattern of the intermediate interface to a downstream input-output terminal (18) situated in a location of rank i within the second predetermined pattern of the downstream connection interface of the peripheral board (4), in which one of the electrical links (19) is the local control link (40), the location of the upstream local control terminal within the pattern of the intermediate interface (14) being the same location for all the peripheral boards (4),
• the connection board (5) comprising
• the downstream connection interface (11), the connection board (5) furthermore comprising:
• an intermediate interface (13) comprising a series of N downstream input-output terminals (15) disposed in locations forming the same second predetermined pattern,
• a plurality of bidirectional electrical links (16), each bidirectional electrical link connecting an upstream input-output terminal (10) situated in a location of rank i within the second predetermined pattern of the downstream connection interface (11) of the connection board (5) to
• a downstream input-output terminal (15) situated in a location of rank i−1 within the predetermined pattern of the intermediate interface (13), in such a manner as to form a circular permutation between the ranks of the upstream (10) and downstream (15) input-output terminals electrically connected in pairs,
• the peripheral board (4) and the connection board (5) being connected together via the intermediate interfaces (13, 14), the intermediate interface (13) of the connection board (5) and the intermediate interface (14) of the peripheral board (4) being complementary and designed to connect the upstream input-output terminals (17) of the intermediate interface (14) of the peripheral board (4) to the downstream input-output terminals (15) of same rank of the intermediate interface (13) of the connection board (5).

8:

• The device as claimed in claim 1, in which each modular element (2) comprises a peripheral board (4), and a connection board (5),
• the peripheral board (4) comprising:
• the upstream connection interface (14), the peripheral board (4) furthermore comprising:
• an intermediate interface (12) comprising a series of N downstream input-output terminals (18) disposed in locations forming a second predetermined pattern,
• a plurality of bidirectional electrical links (19), each bidirectional electrical link connecting an upstream input-output terminal (17) situated in a location of rank i within the predetermined pattern of the upstream connection interface (14) to a downstream input-output terminal (18) situated in a location of rank i within the second predetermined pattern of the intermediate interface (18) of the peripheral board (4), in which one of the electrical links (19) is the local control link (40), the location of the local control terminal within the pattern of the intermediate interface (12) being the same location for all the peripheral boards,
• the connection board (5) comprising:
• the downstream connection interface (13), the connection board (5) furthermore comprising:
• an intermediate interface (11) comprising a series of N upstream input-output terminals (10) disposed in locations forming the same second predetermined pattern,
• a plurality of bidirectional electrical links (16), each bidirectional electrical link connecting an upstream input-output terminal (10) situated in a location of rank i within the second predetermined pattern of the intermediate interface (11) of the connection board (5) to a downstream input-output terminal (15) situated in a location of rank i−1 within the predetermined pattern of the downstream connection interface (13), in such a manner as to form a circular permutation between the ranks of the downstream (15) and upstream (10) input-output terminals electrically connected in pairs,
• the peripheral board (4) and the connection board (5) being connected together via the intermediate interfaces (11, 12), the intermediate interface (11) of the connection board (5) and the intermediate interface (12) of the peripheral board (4) being complementary and designed to connect the downstream input-output terminals (18) of the intermediate interface (12) of the peripheral board (4) to the upstream input-output terminals (10) of same rank of the intermediate interface (11) of the connection board (5).