Multiplex communications – Wide area network – Packet switching
Patent
1992-03-18
1994-03-15
Safourek, Benedict V.
Multiplex communications
Wide area network
Packet switching
340827, 370 60, H04L 1226
Patent
active
052951340
ABSTRACT:
An in-service activator for a broadband exchanger has a dual system structure, in which a first system and a second system form a dual pair. The first system and the second system in the dual pair each has at least one [1] channel converter and a switcher. A channel converter stores channel setting information for use in routing a cell inputted from a line, and outputs the cell inputted from the line by attaching the channel setting information to the cell. The switcher switches a cell outputted from a channel converter. The interfacer stores, in a channel converter of a to-be-activated standby system in the dual pair, the channel setting information read from the corresponding channel converter of an act system in the duplex pair.
REFERENCES:
patent: 4985904 (1991-01-01), Ogawara
patent: 5153578 (1992-10-01), Izawa et al.
Izawa Naoyuki
Kakuma Satoshi
Uriu Shiro
Yoshimura Shuji
Fujitsu Limited
Safourek Benedict V.
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