Method and device for setting terminal state and assigning ID nu

Details Method and device for setting terminal state and assigning ID nu Method and device for setting terminal state and assigning ID nu

1996-03-13

1998-09-08

Meky, Moustafa M.

Multiplex communications

Wide area network

Packet switching

370434, G06F 1300

Patent

active

058058176

ABSTRACT:
A method of setting terminal state and assigning ID number for stack network concentrators, and a device executing the method are provided. A terminal state setting is executed when a concentrator detects that there is no electric signal, through one of it's I/O ports, coming from its adjacent counterpart. A device for implementing such execution includes a first power source generator, a first power source detector, a second power source generator and a second power source detector. Steps for implementing the ID number assignment includes: a) causing two I/O ports of each concentrator in an open state, b) sequentially assigning distinctive ID numbers respectively for the concentrator, and simultaneously causing two I/O ports of the one concentrator having been assigned ID number in connecting state, and c) reiteratively executing step b) until all concentrators have been assigned ID numbers respectively. A device for implementing the above steps includes a network agent, a plurality of pairs of switches and multiple transceivers in order to assign ID numbers respectively for concentrators in a network system with stackable concentrators.

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