System and method of accessing and transmitting different data frames in a digital transmission network
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United States of America Patent
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Mar 17, 2009
Grant Date -
Jan 13, 2005
app pub date -
Jan 28, 2004
filing date -
Jan 28, 2003
priority date (Note) -
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Abstract
A system accessing and transmitting different data frames in a digital transmission network for accessing and transmitting different data frames, including: at least a user-network interface (UNI), which is used to couple with the user's network; at least a network-network interface (NNI), which is used to couple with the digital transmission network to transfer data; a data converting device, which is coupled with the UNIs and the NNIs to convert data formats between the UNIs, data formats between the NNIs, or data formats between the NNIs and the UNIs; wherein the data converting device includes a virtual interface device, the virtual interface device includes: at least two device interfaces, a virtual interface processing unit, a rule database, a control interface unit and an inter-device interface, so as to improve access ability of the device.
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