Interface unit for a modular telecommunication system

Details Interface unit for a modular telecommunication system Interface unit for a modular telecommunication system

H - Electricity

04

Q

344/29

H04Q 3/54 (2006.01) H04L 12/50 (2006.01)

Patent

CA 1179048

-87- ABSTRACT OF THE DISCLOSURE A modular telecommunication system comprises switching blocksinterconnected by bus-oriented interconnecting lines. Each switching block includes line terminators each adapted to be connected to a respective data terminal and control means for controlling local data exchange between line terminators directly connected thereto and remote data exchange Prom local line terminators to a data terminal associated with a different switching block. The interconnecting lines include a plurality of individually controlled interlink buses, which are coupled to each switching block by a separate interlink-bus interface unit and a short distance transmission line. Data transfer across an interlink bus is performed under control of an interlink-bus controller associated with each bus, by scanning the interlink-bus interface units. Data characters are transmitted in time-multiplex mode together with address information of the receiving switching block for selecting the receiving interlink-bus interface unit. the receiving unit stores the data in a buffer memory intermediately before transmitting the same to the associated switching block.

388770

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