Invention Grant
- Patent Title: Switching device and loopback detecting method
- Patent Title (中): 交换设备和环回检测方法
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Application No.: US12773017Application Date: 2010-05-04
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Publication No.: US08300539B2Publication Date: 2012-10-30
- Inventor: Chun-Chi Lee
- Applicant: Chun-Chi Lee
- Applicant Address: TW Tu-Cheng, New Taipei
- Assignee: Hon Hai Precision Industry Co., Ltd.
- Current Assignee: Hon Hai Precision Industry Co., Ltd.
- Current Assignee Address: TW Tu-Cheng, New Taipei
- Agency: Altis Law Group, Inc.
- Priority: CN201010148814 20100416
- Main IPC: H04J3/14
- IPC: H04J3/14
Abstract:
A switching device transmits a link code word to the partner device by one Ethernet port of the switching device for automatic negotiation with a partner device. The switching device receives a first response link code word, changes the link code word, transmits the changed link code word to the partner device, and receives a second response link code word. The switching device determines the Ethernet port of the switching device experiences loopback upon the condition that the first response link code word is unequal to the second response link code.
Public/Granted literature
- US20110255419A1 SWITCHING DEVICE AND LOOPBACK DETECTING METHOD Public/Granted day:2011-10-20
Information query
