Title:
INTER-NODE ALARM TRANSFER SYSTEM
Document Type and Number:
Japanese Patent JP3338545
Kind Code:
B2
Abstract:
PURPOSE: To enable each node to inform the node of the opposite party side of communication of the abnormality detected in its own node by setting the alarm transfer bit in an abnormal state when the abnormality is detected in the node under communication end sending the alarm transfer bit to the node of the opposite party side via a transfer path.
CONSTITUTION: If an alarm transfer bit setting means 101 detects the abnormality of its own node 100 under communication with another node 100, the means 101 sets an alarm transfer bit in an abnormal state and transfers this bit to the node 100 of the opposite party side of communication via a transfer path 200. An alarm transfer bit identifying means 102 monitors the setting state of the alarm transfer bit sent from the node 100 of the opposite party side in a communication mode and then identifies the abnormality of communication caused to the node 100 of the opposite party side when the alarm transfer bit is set in an abnormal state. Then the means 102 closes an analog voice telephone circuit stored in its own node 100 when the alarm bit which is stored in an analog voice telephone circuit node 100 as a terminal circuit 300 and sent from another node 100 in a communication mode is set in an abnormal state.
Inventors:
Large month Ryoichi
Application Number:
JP2706794A
Publication Date:
October 28, 2002
Filing Date:
February 25, 1994
Export Citation:
Assignee:
富士通株式会社
International Classes:
H04L69/40; H04L12/42; H04L12/437; (IPC1-7): H04L12/437
Domestic Patent References:
| JP5145424A | ||||
| JP6164533A | ||||
| JP6189017A | ||||
| JP1274533A | ||||
| JP59178060A | ||||
| JP5115313A |
Attorney, Agent or Firm:
Junichi Yokoyama (1 person outside)