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oGunnerso
Dialled in
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Is this in normal range?

Upstream Burst

  Req
(1) Init Maint
(3) Per Maint
(4) Adv Short
(9) Adv Long
(10) Adv UGS
(11)

Modulation Type16QAM16QAM16QAM16QAM16QAM16QAM
Differential EncodingOFFOFFOFFOFFOFFOFF
Preamble Length36384384646464
Preamble Value Offset39666396396396
FEC Error Correction (T)055688
FEC Codeword Information Bytes (K)16343476231236
Maximum Burst Size0004026
Guard Time Size224848222222
Last Codeword LengthFixedFixedFixedShortenedShortenedShortened
Scrambler On/OffONONONONONON

My internet seems at best patchy, like VM are sending the information through a bit at a time. Its like ive gone back 10 years and back on 512kbps package even though my speedtests say im getting 150mb download and 12.5 upload.

Downstream   DS-1 DS-2 DS-3 DS-4 DS-5 DS-6 DS-7 DS-8

Frequency (Hz)322750000266750000274750000282750000290750000298750000306750000314750000
Lock Status(QAM Lock/FEC Sync/MPEG Lock)LockedLockedLockedLockedLockedLockedLockedLocked
Channel ID6053545556575859
Modulation256QAM256QAM256QAM256QAM256QAM256QAM256QAM256QAM
Symbol Rate (Msym/sec)6.9520006.9520006.9520006.9520006.9520006.9520006.9520006.952000
Interleave DepthI=12
J=17
I=12
J=17
I=12
J=17
I=12
J=17
I=12
J=17
I=12
J=17
I=12
J=17
I=12
J=17
Power Level (dBmV)7.617.848.097.757.507.517.567.55
RxMER (dB)36.8437.0937.0937.0937.3637.3637.3637.64
Pre RS Errors16143336375105836711771229573
Post RS Errors29528330295028310331022306

 

Upstream   US-1 US-2 US-3 US-4

Channel Type2.0N/AN/A2.0
Channel ID8N/AN/A5
Frequency (Hz)25800000N/AN/A46200000
Ranging StatusSuccessOtherOtherSuccess
Modulation16QAMN/AN/A16QAM
Symbol Rate (Sym/sec)5120000N/AN/A5120000
Mini-Slot Size4N/AN/A4
Power Level (dBmV)40.71N/AN/A43.21
T1 Timeouts0000
T2 Timeouts0000
T3 Timeouts0001
T4 Timeouts0000
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jb66
Alessandro Volta
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Message 2 of 7
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Re: Is this in normal range?

Yes

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DavidJWalker
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Message 3 of 7
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Re: Is this in normal range?

virgin media working range is between -6 to 9 can work but its weekend power levels goes up in peek times


Using VIVID 350 Optical Fibre, Player TV, Talk Weekends



Just another VM user trying to help out so my answers may be wrong.
If you do like my answer please mark it as helpful; it may help others
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Sephiroth
Alessandro Volta
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Re: Is this in normal range?


DavidJWalker wrote:

virgin media working range is between -6 to 9 can work but its weekend power levels goes up in peek times


Err - you sure about that?

http://community.virginmedia.com/t5/QuickStart-set-up-and/POWER-LEVELS-and-SNR-A-TECHNICAL-PRIMER-up...

.... is the subject bible!

 

Seph - ( DEFROCKED - My advice is at your risk)

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DavidJWalker
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Message 5 of 7
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Re: Is this in normal range?

yea mine hits near the 9 mark at peek times off peek it goes down to 6 mine hangs around +6 to like +9.3 and weeks fine over your Seph’s Reasoned Optimal Power -3 to + 8 dBmv mine works ok with VM Acceptable Power -6 to +10 dBmv my VM Acceptable SNR hangs around 38dB unless i need them to sort out my power levels again my upsteam hangs around 44

have a look at this

Channel Frequency(Hz) Power
(dBmV) SNR
(dB) Modulation Channel ID
1 299000000 8.5 37.3 256 qam 17
2 323000000 9.1 38.6 256 qam 20
3 315000000 8.8 37.6 256 qam 19
4 307000000 8.8 37.6 256 qam 18
5 291000000 7.9 37.3 256 qam 16
6 283000000 7.5 37.6 256 qam 15
7 275000000 7.5 37.6 256 qam 14
8 267000000 7.6 37.6 256 qam 13
9 259000000 7.5 37.6 256 qam 12
10 251000000 7.9 37.6 256 qam 11

Using VIVID 350 Optical Fibre, Player TV, Talk Weekends



Just another VM user trying to help out so my answers may be wrong.
If you do like my answer please mark it as helpful; it may help others
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Superuser
Superuser
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Message 6 of 7
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Re: Is this in normal range?

Must be thermal variance Smiley Happy

@Sephiroth does the upstream look a bit strange to you? I thought they were supposed to increase in 0.25 dBmV increments.

 

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Sephiroth
Alessandro Volta
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Message 7 of 7
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Re: Is this in normal range?

I saw that, Griff. Going by the x.71 & x.21 with a separation of 0.5dBmv, it seems to me that increments of .25dBmv are quite likely. For power adjustments to be detected by means of looking at stats, the OP needs to do a few refreshes whilst on the upstream stats page and report what he sees (or they sees in politcally correct claptrap!).

Seph - ( DEFROCKED - My advice is at your risk)

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