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All FAQs » AT&T Southeast Forum FAQ » 2.1 What is? » 12008

CRC (Cyclic Redundancy Check) (#12008)
CRC is a method of detecting errors in data transmission. A CRC is information sent within a block of data that is checked by the receiving end to verify if data was all received correctly. A high CRC count in itself is not cause for alarm. However, any substantial increase in CRC errors after your initial connection is established is a problem and usually points to a physical issue somewhere between the modem and the DSLAM. Isolate your inside wiring as a cause by testing from the NID and troubleshoot from there.

Andy Houtz DSL

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last modified: 2007-08-23 09:36:50


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