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Author Topic: HEC errors - do these include correctable 1-bit errors?  (Read 462 times)

hake

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HEC errors - do these include correctable 1-bit errors?
« on: January 05, 2018, 11:46:46 AM »

My TG585v8 (PlusNet supplied) router shows the aggregate HEC errors but not how many are correctable 1-bit errors. Downstream HEC errors outnumber downstream CRC errors by at least a factor of ten. Could that be an indication that the aggregate HEC error count includes 1-bit correctables?

I observe that my upstream CRC and HEC errors are very few.
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ejs

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Re: HEC errors - do these include correctable 1-bit errors?
« Reply #1 on: January 06, 2018, 08:25:15 PM »

According to the ITU-T ADSLx documents, HEC errors are never corrected on ADSL.
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hake

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Re: HEC errors - do these include correctable 1-bit errors?
« Reply #2 on: January 07, 2018, 12:55:33 AM »

Thank you ejs. That puts me out of my misery.
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