Communication system for forming different networks on the same

Details Communication system for forming different networks on the same Communication system for forming different networks on the same

1989-03-08

1990-10-23

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 857, H04J 317

Patent

active

049657909

ABSTRACT:
Disclosed is a ring transmission system which incorporates both a narrowband network and a broadband ISDN network. The system comprises a plurality of nodes connected to a ring line. Each node comprises a drop/insert unit for dropping/inserting data by the use of a communication channel allocated to the node and an allocation changing circuit, whereby, a plurality of independent narrowband and broadband exchange networks are connected to a single ring transmission line.

REFERENCES:
patent: 4602365 (1986-07-01), White et al.
patent: 4685101 (1987-08-01), Segal et al.
patent: 4722082 (1988-01-01), Furuya et al.
patent: 4747101 (1988-05-01), Akaiwa et al.
patent: 4771425 (1988-09-01), Baren et al.
patent: 4847833 (1989-07-01), Doering et al.

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