Communications device and method for configuring a communication port depending on a direction condition of a remote device communicatively coupled to the communications port
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United States of America Patent
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Sep 6, 2011
Grant Date -
Feb 12, 2009
app pub date -
Mar 21, 2005
filing date -
Mar 19, 2004
priority date (Note) -
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Abstract
A communications port is implemented for configuration in direction and arrangement. According to an example embodiment of the present invention, a communications link (110), such as a PCI Express type link, is configurable for communicating with devices having different directional and/or polarity configurations. The communications link is configured to match a communications port condition (e.g., a directional and/or polarity condition) of a device (120) coupled to the communications link. In one instance, the communications link is directionally configurable for reassigning input lanes to output lanes and output lanes to input lanes. With this approach, the communications link can be used to communicate with a variety of devices having varied communication characteristics.
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