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MikeK
Aspiring Contributor
293 Views
Message 1 of 4

CRC HEC errors

Hello,

Is there any way the CRC / HEC could be reduced, 

 

"from your stats you have a lot of crc/hec errors and error seconds which will get worse at night and may well reduce your downnload/throughput making webpages slow to load."

 

The line sounds fairly quite (done with a cordless phone) and test done in test socket. 

Thanks in advance for any help.

 

ADSL Line Status
Connection Information
Line state:Connected
Connection time:0 days, 16:39:26
Downstream:3.938 Mbps
Upstream:448 Kbps
 
ADSL Settings
VPI/VCI:0/38
Type:PPPoA
Modulation:G.992.1 Annex A
Latency type:Interleaved
Noise margin (Down/Up):4.3 dB / 20.0 dB
Line attenuation (Down/Up):50.4 dB / 30.0 dB
Output power (Down/Up):18.9 dBm / 11.9 dBm
FEC Events (Down/Up):1043921 / 71
CRC Events (Down/Up):37481 / 53
Loss of Framing (Local/Remote):0 / 0
Loss of Signal (Local/Remote):0 / 0
Loss of Power (Local/Remote):0 / 0
HEC Events (Down/Up):59779 / 52
Error Seconds (Local/Remote):214165 / 12
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3 REPLIES 3
imjolly
Distinguished Sage
Distinguished Sage
291 Views
Message 2 of 4

Re: CRC HEC errors

what do you mean by 'fairly quiet?  the quiet line test you should hear nothing with corded phone or possibly a dull hum with cordless.  if any noise then you need to report a phone fault to 151.  noise on the line is the normal cause of all the errors



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john46
Distinguished Sage
289 Views
Message 3 of 4

Re: CRC HEC errors

you could also check out this link as it may give you some suggestions http://community.bt.com/t5/BB-Speed-Connection-Issues/Poor-Broadband-speed/m-p/14217#M8397
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MikeK
Aspiring Contributor
289 Views
Message 4 of 4

Re: CRC HEC errors

Ok thanks imjolly, I will borrow a phone (all mine are cordless) and do a proper line noise test. Thanks for such a quick reply.

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