Method and arrangement for local address acquisition by a statio

Details Method and arrangement for local address acquisition by a statio Method and arrangement for local address acquisition by a statio

1982-11-12

1985-04-09

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

34082522, 34082552, H04Q 900

Patent

active

045104930

ABSTRACT:
In a local communication network, stations can be attached via extension lines and individual ports in distribution panels to the main transmission ring (11). Each port has a physical address or local identification key. Means are provided for inserting the local key of a port into a station when it is plugged into the extension lines. Each station comprises units (33, 45) for generating a key demand signal and an idling signal pattern which are transmitted to the port, and a key register (47) for recording the key when it is received. Each port includes a read-only store and timing unit (41) which furnishes the local key in response to the received idling pattern which is converted to a clock signal. A switch (37) in the port is activated by a switch control unit (35) to insert the read-only store and timing unit into a wrap-around loop interconnecting input and output paths of the station.

REFERENCES:
patent: 3961139 (1976-06-01), Bowman et al.
patent: 4078228 (1978-03-01), Miyazaki
patent: 4335426 (1982-06-01), Maxwell et al.
patent: 4418333 (1983-11-01), Schwarzbach et al.
patent: 4438432 (1984-03-01), Hurcum

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