Error detection/correction and fault detection/recovery – Pulse or data error handling – Transmission facility testing
Patent
1998-08-03
2000-04-18
Tu, Christine Trinh L.
Error detection/correction and fault detection/recovery
Pulse or data error handling
Transmission facility testing
714 43, 379 15, G01R 2900, H02H 305
Patent
active
060528052
ABSTRACT:
A dual speed hub includes a CPU, two hubs of different transmission speeds, two MACs (media access controls), and a switch, wherein the CPU periodically sends a test packet in proper order through one MAC, one hub, the switch and the other hub to the other MAC, then checks the receiving condition and the content of the returned test packet, then determines the normality of the function of the switch subject to the receiving condition and the content of the returned test packet, and then provides a warning signal to a network management system when the switch is judged abnormal, informing the network manager to repair the switch.
REFERENCES:
patent: 5436960 (1995-07-01), Campana, Jr. et al.
patent: 5701305 (1997-12-01), Albrecht
patent: 5862145 (1999-01-01), Grossman et al.
patent: 5923673 (1999-07-01), Henrikson
Chen Mei-Chuan
Chen Mei-Yi
Hu Pao-Ching
Tsai Wei-Hung
Tsao Hsiu-Chu
D-Link Corporation
Tu Christine Trinh L.
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