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Bad Filter  

Bad Filter
 
SYMPTOMS
Modem indicates that it is not in sync. (Flashing sync light, no sync light,)
 
CAUSE
DSL line filters can, and do, go bad. Filter in the wrong place
 
RESOLUTION
One of the first things to do, when diagnosing a DSL connection, is remove ALL devices from the DSL phone line. That includes the DSL filters. Remove the phone devices one by one until the modem shows sync.




 

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