| 摘要 |
In an embodiment, a method includes receiving at a data interface a data stream having a first polarity and searching the received data having the first polarity for a unique pattern of a synchronization word within a first quantity of the received data, the synchronization word marking a start of a metaframe having a metaframe length. The polarity of the data stream is reversed to a second polarity if the synchronization word is not found within the first quantity of the received data and the received data having the second polarity is searched for the unique pattern of the synchronization word within a second quantity of the received data.
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