Multiplex communications – Fault recovery – Bypass an inoperative switch or inoperative element of a...
Patent
1994-08-25
1997-02-04
Olms, Douglas W.
Multiplex communications
Fault recovery
Bypass an inoperative switch or inoperative element of a...
370397, H04J 314, H04L 1256
Patent
active
056006306
ABSTRACT:
An ATM path changing system and method for use in an ATM communication apparatus and ATM communication network are provided which can set an alternating route in the event of a failure occurring in a transmission line or VP. A header converter in a line controller includes a plurality of output path routing tables, a selector, a comparator, a register for failure RTG and a register for failure VPI and when the contents of the register for failure RTG or VPI coincides with a RTG or VPI of the output path routing tables, an output is selected in accordance with the contents of a selected emergency-route RTG or VPI register.
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Oka Yoji
Takahashi Setsuo
Takano Masataka
Takase Akihiko
Hitachi , Ltd.
Hitachi Communication Systems, Inc.
Jung Min
Olms Douglas W.
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