Office recognition method in ring network

Details Office recognition method in ring network Office recognition method in ring network

2005-01-04

2005-01-04

Sam, Phirin (Department: 2661)

Multiplex communications

Fault recovery

Bypass an inoperative station

C370S228000, C370S258000

Reexamination Certificate

active

06839319

ABSTRACT:
A ring network has first and second network connecting offices for connecting ring networks together and for dropping a signal from a terminal office. Each node of the ring network recognizes whether it is the first network connecting office based upon channel setting information. A first node, which has been recognized as being the first network connecting office, executes a squelch-table creation procedure between itself and other nodes based upon the channel setting information, thereby identifying a second node, which is the second network connecting office. The first node embeds office identification information in a squelch table of a protection channel and sends this information to the second node. The second node recognizes that it itself is the second network connecting office based upon the office identification information.

REFERENCES:
patent: 5737310 (1998-04-01), Goto
patent: 5757768 (1998-05-01), Goto et al.
patent: 6657969 (2003-12-01), Neuendorff et al.
patent: 6674714 (2004-01-01), Mochizuki et al.

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