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Author Topic: Is this bad or good and esspecially noise margin it was 7.7Db  (Read 2296 times)

walsh155

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Is this bad or good and esspecially noise margin it was 7.7Db
« on: January 22, 2010, 11:14:03 PM »

      
ADSL line status
Connection Information
Line state   Connected
Connection time   0 days, 21:32:07
Downstream   672 Kbps
Upstream   448 Kbps
 
ADSL Settings
VPI/VCI   0/38
Type   PPPoA
Modulation   G.992.1 Annex A
Latency type   Interleaved
Noise margin (Down/Up)   9.0 dB / 12.0 dB
Line attenuation (Down/Up)   71.0 dB / 31.5 dB
Output power (Down/Up)   1.4 dBm / 1.1 dBm
Loss of Framing (Local/Remote)   0 / 0
Loss of Signal (Local/Remote)   0 / 0
Loss of Power (Local/Remote)   0 / 0
FEC Errors (Down/Up)   16810 / 374
CRC Errors (Down/Up)   250 / 133
HEC Errors (Down/Up)   368 / 90
Error Seconds (Local/Remote)   142 / 75
 
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duckson

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Re: Is this bad or good and esspecially noise margin it was 7.7Db
« Reply #1 on: January 22, 2010, 11:42:22 PM »

If the sync speed (672kbps) is the same or greater than before then a 9db noise margin is better than a 7.7db. Have you changed something and have you taken a note of the noise margin at the same time of day? The noise margin will be less during darkness than during the day in general.
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Cheers, Stu
Asus RT-AC68U (Merlin Fork 3.74 Update 5)
Netgear DG834GT (DGTeam firmware, modem mode)
XILO LLU

walsh155

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  • Posts: 43
Re: Is this bad or good and esspecially noise margin it was 7.7Db
« Reply #2 on: January 23, 2010, 12:19:56 AM »

hey duckson thanks for replying so the lower it is the better? because 2 days ago i was having 804kbits and the noise was 7.7Db
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walsh155

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Re: Is this bad or good and esspecially noise margin it was 7.7Db
« Reply #3 on: January 23, 2010, 12:21:20 AM »

And hey sorry i forgot to say is there anything wrong with the output power because i have seen other home hubs and i show around 14Db
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duckson

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  • Posts: 53
Re: Is this bad or good and esspecially noise margin it was 7.7Db
« Reply #4 on: January 23, 2010, 01:04:12 AM »

hey duckson thanks for replying so the lower it is the better? because 2 days ago i was having 804kbits and the noise was 7.7Db

Lower the noise margin faster you will sync. Resync tomorrow morning whens its light and it should sync faster but have a lower noise margin. How far does the noise margin drop from daytime to night?
Logged
Cheers, Stu
Asus RT-AC68U (Merlin Fork 3.74 Update 5)
Netgear DG834GT (DGTeam firmware, modem mode)
XILO LLU

roseway

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Re: Is this bad or good and esspecially noise margin it was 7.7Db
« Reply #5 on: January 23, 2010, 07:10:32 AM »

It's confusing to have multiple threads on the same subject, so please continue the discussion in the original thread here.

Topic locked.
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  Eric