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Standard User wingco1
(legend) Fri 04-Apr-14 12:47:51
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What could cause this


[link to this post]
 
Lots of dropped high end frequencies. Router is Billion 7800DXL on Sky unlimited adsl.

Gap1 2070kHz-2074kHz (Tone480)
Gap2 2092kHz-2100kHz (Tone485-Tone486)
Gap3 2122kHz-2126kHz (Tone492)
Gap4 2143kHz-2148kHz (Tone497)
Gap5 2152kHz-2156kHz (Tone499)
Gap6 2165kHz-2169kHz (Tone502)
Gap7 2182kHz-2186kHz (Tone506)

Mode ADSL_2plus
Traffic Type ATM
Status Up
Link Power State L0
Downstream Upstream
Line Coding (Trellis) On On
SNR Margin (dB) 5.3 9.5
Attenuation (dB) 30.5 15.9
Output Power (dBm) 23.1 10.4
Attainable Rate (Kbps) 18020 1132
Rate (Kbps) 15356 970
MSGc (# of bytes in overhead channel message) 76 66
B (# of bytes in Mux Data Frame) 46 30
M (# of Mux Data Frames in FEC Data Frame) 1 4
T (Mux Data Frames over sync bytes) 8 1
R (# of check bytes in FEC Data Frame) 4 16
S (ratio of FEC over PMD Data Frame length) 0.0976 3.9575
L (# of bits in PMD Data Frame) 4177 283
D (interleaver depth) 320 8
Delay (msec) 8 8
INP (DMT symbol) 1.00 1.50
Super Frames 21237231 18861426
Super Frame Errors 17331 12
RS Words 31343256 772777
RS Correctable Errors 1954 4
RS Uncorrectable Errors 8431 0
HEC Errors 1117284 0
OCD Errors 5525 0
LCD Errors 5525 0
Total Cells 3740997157 2904785
Data Cells 39832859 5193
Bit Errors 0 0
Total ES 8068 0
Total SES 10 0
Total UAS 51 51
Administrator MrSaffron
(staff) Fri 04-Apr-14 13:51:44
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Re: What could cause this


[re: wingco1] [link to this post]
 
Attenuation

Radio stations at those frequencies

Noise that is confined to those specific frequencies

Andrew Ferguson, andrew@thinkbroadband.com
www.thinkbroadband.com - formerly known as ADSLguide.org.uk
The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User wingco1
(legend) Fri 04-Apr-14 15:53:18
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Re: What could cause this


[re: MrSaffron] [link to this post]
 
Thanks. I was hoping it might be something I could improve on.


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