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mshaw43488
Beginner
236 Views
Message 1 of 7

fec events

good eve, can someone clarify if i should be concerned about the high number of FEC events here, or does everything look ok

 

thanks

 

ADSL Line Status
Connection Information
Line state:Connectedppp0_0
Connection time:0 days, 04:21:48
Downstream:9.364 Mbps
Upstream:1.095 Mbps
 
ADSL Settings
VPI/VCI:0/38
Type:PPPoA
Modulation:G.992.5 Annex A
Latency type:Interleaved
Noise margin (Down/Up):4.7 dB / 6.1 dB
Line attenuation (Down/Up):37.4 dB / 22.6 dB
Output power (Down/Up):20.2 dBm / 12.7 dBm
FEC Events (Down/Up):167809 / 270
CRC Events (Down/Up):396 / 50
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):6957 / 48
Error Seconds (Local/Remote):177 / 32
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6 REPLIES 6
Distinguished Sage
233 Views
Message 2 of 7

Re: fec events

there is nothing to worry about FEC's just show that interleaving is working
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conrad
Recognised Expert
233 Views
Message 3 of 7

Re: fec events

FEC essentially show that interleaving is working and you can have high values without it causing problems.

 

I personally would just keep an eye on your errors as they are on the high side for just a 4 hour connection - it may be due to the time of day. just keep a record of them at the same time each day to see if the increase is consistent.

So long as your throughput is not reduced then things should be ok.

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mshaw43488
Beginner
227 Views
Message 4 of 7

Re: fec events

grreat thanks for your help , what about the other events such as crc and hec are those also ok?..do you think i have a reasonable connection for my line length?

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Distinguished Sage
Distinguished Sage
221 Views
Message 5 of 7

Re: fec events

Your connection looks ok and errors should not cause you a problem. Your noise margin is already below 6db so cannot see any scope for faster. According to kitz maybe about 10mb

Are you connected using the test socket?


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mshaw43488
Beginner
219 Views
Message 6 of 7

Re: fec events

yes plugged into the master socket, no noticable noise on the line either.. so that must be all iam going  to  get

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Distinguished Sage
Distinguished Sage
215 Views
Message 7 of 7

Re: fec events

Sorry do you mean the master or the socket behind the detachable bottom half - the test socket. The test socket eliminates any problems caused by your internal wiring and should be your best connection


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