50mb install, power levels out? not affecting anything so far... - Page 2

craigj2k12 · 15-02-2011, 17:44

Quote:

Originally Posted by pabscars

Just out of shear curiosity guys, what kind of service degradation would you expect to see (if any) when your levels are high (10 to 15dBmv), but your not seeing oodles of T3,s + T4,s, correctable codewords etc.

Is it more of a case of if its working and not constantly disconnecting then all is good and don't worry about it, or would you expect to see small amounts of packet loss/Jitter, but the higher your levels climb the worse it gets.

We appear to be seeing numerous threads where Superhubs are running apparently fine with high downstream power levels so maybe a sticky for these might be an idea.

Just a thought.

Im new to this (install was this morning LOL) but iv had quite a variance in speed test results, from 15 to 45meg only hitting 49 rarely. also, browsing is slow and sometimes a page hangs and doesnt load for ages, then you hit refresh and its fine

pabscars · 15-02-2011, 18:30

Quote:

Originally Posted by craigj2k11

Im new to this (install was this morning LOL) but iv had quite a variance in speed test results, from 15 to 45meg only hitting 49 rarely. also, browsing is slow and sometimes a page hangs and doesnt load for ages, then you hit refresh and its fine

No worries craig, I was directing this at the more technical forum members, just out of selfish curiosity

As mentioned your levels are way beyond the optimum and once the engineer has fitted an attenuator to the back of your modem or nipped down the road to the green cabinet that supplies you, to drop your cable down a tap or two you should be sweet.

If you still have issues once the engineer has been then I'm sure the nice guys and gals on here will be more than happy to help you find the cause.

Just be sure to check your DS power level has dropped before the engineer leaves.

craigj2k12 · 15-02-2011, 19:18

okay thanks for the help pabscars, the engineer is due between 4 and 7pm tomorrow, ill let you know the results

pip08456 · 15-02-2011, 19:18

What are you after Pabs? I'm starting to get worried.

pabscars · 15-02-2011, 19:33

Quote:

Originally Posted by pip08456

What are you after Pabs? I'm starting to get worried.

Now thats a loaded question if ever there was one

Peter_ · 15-02-2011, 21:24

Quote:

Originally Posted by pabscars

Just out of shear curiosity guys, what kind of service degradation would you expect to see (if any) when your levels are high (10 to 15dBmv), but your not seeing oodles of T3,s + T4,s, correctable codewords etc.

Is it more of a case of if its working and not constantly disconnecting then all is good and don't worry about it, or would you expect to see small amounts of packet loss/Jitter, but the higher your levels climb the worse it gets.

We appear to be seeing numerous threads where Superhubs are running apparently fine with high downstream power levels so maybe a sticky for these might be an idea.

Just a thought.

No specific power levels have sent out to us but the is some leeway as mine are around zero but many are fine around 8/10 so no idea as yet.

pabscars · 16-02-2011, 13:44

Quote:

Originally Posted by Masque

No specific power levels have sent out to us but the is some leeway as mine are around zero but many are fine around 8/10 so no idea as yet.

Yep mines sitting at 8.9 to 9.3 and seems ok, but just for kicks I fitted a -6dB FPA on it but then the performance seemed to dip some what so I've left it off.

craigj2k12 · 16-02-2011, 17:57

engineer just left, installed a 10db FPA but the upload is suffering now

Startup Procedure
Procedure Status Comment
Acquire Downstream Channel 299000000 Hz Locked
Connectivity State OK Operational
Boot State OK Operational
Configuration File OK
Security Enabled BPI+
Downstream Channels
Lock Status Modulation Channel ID Max Raw Bit Rate Frequency Power SNR Docsis/EuroDocsis locked
Locked QAM256 125 55616000 Kbits/sec 299000000 Hz 4.7 dBmV 43.3 dB Hybrid
Locked QAM256 126 55616000 Kbits/sec 307000000 Hz 4.7 dBmV 43.3 dB Hybrid
Locked QAM256 127 55616000 Kbits/sec 315000000 Hz 4.5 dBmV 43.0 dB Hybrid
Locked QAM256 128 55616000 Kbits/sec 323000000 Hz 4.0 dBmV 42.8 dB Hybrid
Unlocked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV 0.0 dB Unknown
Unlocked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV 0.0 dB Unknown
Unlocked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV 0.0 dB Unknown
Unlocked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV 0.0 dB Unknown
Upstream Channels
Lock Status Modulation Channel ID Max Raw Bit Rate Frequency Power
Locked ATDMA 6 20480 Kbits/sec 35800000 Hz 44.7 dBmV
Unlocked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV
Unlocked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV
Unlocked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV
Primary Downstream Service Flow
Downstream(0)
SFID 31594
Max Traffic Rate 53000000 bps
Max Traffic Burst 10000 bytes
Mix Traffic Rate 0 bps
Primary Upstream Service Flow
Upstream(0)
SFID 20901
Max Traffic Rate 5140000 bps
Max Traffic Burst 8160 bytes
Mix Traffic Rate 0 bps
Max Concatenated Burst 8160 bytes
Scheduling Type Best Effort

---------- Post added at 18:57 ---------- Previous post was at 18:38 ----------

http://www.speedtest.net/result/1160443219.png

she is definitely feeling better!

Peter_ · 16-02-2011, 17:58

Let it settle down and report back if the are any other issues.

pabscars · 16-02-2011, 18:02

@ craig, thats more like it

craigj2k12 · 16-02-2011, 23:02

Just going to wait till tomorrow outside peak times to see if all is sorted. The readings seem to be okay on the superhub. power levels within range etc. however look at these:

http://www.speedtest.net/result/1160708534.png
http://www.pingtest.net/result/34778949.png

but as i said, its in peak times, and this stipud p2p throttling is in place until midnight. ill post here tomorrow.

Just to double check, those connection stats I posted after the engineer came are all correct?

thanks

---------- Post added at 23:23 ---------- Previous post was at 22:24 ----------

ping tests coming in sporadic
http://www.pingtest.net/result/34782370.png

is there anything i can do about this. i was hoping to do some gaming tomorrow but that plan might be going out the window

---------- Post added at 23:24 ---------- Previous post was at 23:23 ----------

speeds gone down the drain once again
http://www.speedtest.net/result/1160773184.png

---------- Post added at 23:26 ---------- Previous post was at 23:24 ----------

even on the virgin speedtest the speeds are terrible

around 20mb download 0.3 upload

---------- Post added at 23:59 ---------- Previous post was at 23:26 ----------

Code:

C:\Users\Craig>tracert www.bbc.co.uk

Tracing route to www.bbc.net.uk [212.58.244.71]
over a maximum of 30 hops:

  1    43 ms    60 ms    33 ms  cpc1-know12-2-0-gw.know.cable.virginmedia.com
2.239.252.1]
  2    47 ms     9 ms    84 ms  know-core-1a-ge38.network.virginmedia.net [81.
.114.65]
  3    60 ms    24 ms    21 ms  leed-bb-1a-ae1-0.network.virginmedia.net [195.
2.178.145]
  4    92 ms    21 ms    39 ms  nrth-bb-1b-as2-0.network.virginmedia.net [62.2
.185.101]
  5    98 ms    25 ms    28 ms  nrth-tmr-2-ae6-0.network.virginmedia.net [213.
5.159.34]
  6    44 ms    89 ms    48 ms  tele-ic-1-as0-0.network.virginmedia.net [62.25
184.2]
  7    41 ms    42 ms    83 ms  pos6-1.rt0.thdo.bbc.co.uk [212.58.239.237]
  8    23 ms    21 ms    50 ms  212.58.238.153
  9    22 ms    33 ms    85 ms  212.58.239.62
 10    31 ms    27 ms    42 ms  212.58.251.44
 11    32 ms    39 ms    36 ms  bbc-vip116.telhc.bbc.co.uk [212.58.244.71]

Trace complete.

C:\Users\Craig>

very bad pings on virgins internal equipment, pings were lower on talktalk for gods sake!!!

Code:

C:\Users\Craig>ping www.bbc.co.uk -t

Pinging www.bbc.net.uk [212.58.244.69] with 32 bytes of data:
Reply from 212.58.244.69: bytes=32 time=52ms TTL=53
Reply from 212.58.244.69: bytes=32 time=47ms TTL=53
Reply from 212.58.244.69: bytes=32 time=71ms TTL=53
Reply from 212.58.244.69: bytes=32 time=60ms TTL=53
Reply from 212.58.244.69: bytes=32 time=30ms TTL=53
Reply from 212.58.244.69: bytes=32 time=22ms TTL=53
Reply from 212.58.244.69: bytes=32 time=24ms TTL=53
Reply from 212.58.244.69: bytes=32 time=33ms TTL=53
Reply from 212.58.244.69: bytes=32 time=27ms TTL=53
Reply from 212.58.244.69: bytes=32 time=52ms TTL=53
Reply from 212.58.244.69: bytes=32 time=60ms TTL=53
Reply from 212.58.244.69: bytes=32 time=39ms TTL=53
Reply from 212.58.244.69: bytes=32 time=45ms TTL=53
Reply from 212.58.244.69: bytes=32 time=37ms TTL=53
Reply from 212.58.244.69: bytes=32 time=26ms TTL=53
Reply from 212.58.244.69: bytes=32 time=21ms TTL=53
Reply from 212.58.244.69: bytes=32 time=75ms TTL=53
Reply from 212.58.244.69: bytes=32 time=34ms TTL=53
Reply from 212.58.244.69: bytes=32 time=36ms TTL=53
Reply from 212.58.244.69: bytes=32 time=36ms TTL=53
Reply from 212.58.244.69: bytes=32 time=19ms TTL=53
Reply from 212.58.244.69: bytes=32 time=29ms TTL=53
Reply from 212.58.244.69: bytes=32 time=63ms TTL=53
Reply from 212.58.244.69: bytes=32 time=56ms TTL=53
Reply from 212.58.244.69: bytes=32 time=20ms TTL=53
Reply from 212.58.244.69: bytes=32 time=37ms TTL=53
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Reply from 212.58.244.69: bytes=32 time=32ms TTL=53
Reply from 212.58.244.69: bytes=32 time=46ms TTL=53
Reply from 212.58.244.69: bytes=32 time=36ms TTL=53
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Reply from 212.58.244.69: bytes=32 time=39ms TTL=53
Reply from 212.58.244.69: bytes=32 time=26ms TTL=53
Reply from 212.58.244.69: bytes=32 time=67ms TTL=53
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Reply from 212.58.244.69: bytes=32 time=75ms TTL=53
Reply from 212.58.244.69: bytes=32 time=52ms TTL=53
Reply from 212.58.244.69: bytes=32 time=74ms TTL=53
Reply from 212.58.244.69: bytes=32 time=23ms TTL=53
Reply from 212.58.244.69: bytes=32 time=59ms TTL=53
Reply from 212.58.244.69: bytes=32 time=48ms TTL=53
Reply from 212.58.244.69: bytes=32 time=26ms TTL=53
Reply from 212.58.244.69: bytes=32 time=22ms TTL=53
Reply from 212.58.244.69: bytes=32 time=94ms TTL=53
Reply from 212.58.244.69: bytes=32 time=20ms TTL=53
Reply from 212.58.244.69: bytes=32 time=53ms TTL=53
Reply from 212.58.244.69: bytes=32 time=108ms TTL=53
Reply from 212.58.244.69: bytes=32 time=60ms TTL=53
Reply from 212.58.244.69: bytes=32 time=33ms TTL=53
Reply from 212.58.244.69: bytes=32 time=84ms TTL=53
Reply from 212.58.244.69: bytes=32 time=50ms TTL=53
Reply from 212.58.244.69: bytes=32 time=23ms TTL=53
Reply from 212.58.244.69: bytes=32 time=32ms TTL=53
Reply from 212.58.244.69: bytes=32 time=69ms TTL=53
Reply from 212.58.244.69: bytes=32 time=20ms TTL=53
Reply from 212.58.244.69: bytes=32 time=19ms TTL=53
Reply from 212.58.244.69: bytes=32 time=75ms TTL=53
Reply from 212.58.244.69: bytes=32 time=44ms TTL=53
Reply from 212.58.244.69: bytes=32 time=42ms TTL=53
Reply from 212.58.244.69: bytes=32 time=34ms TTL=53
Reply from 212.58.244.69: bytes=32 time=53ms TTL=53
Reply from 212.58.244.69: bytes=32 time=26ms TTL=53
Reply from 212.58.244.69: bytes=32 time=24ms TTL=53
Reply from 212.58.244.69: bytes=32 time=59ms TTL=53
Reply from 212.58.244.69: bytes=32 time=24ms TTL=53
Reply from 212.58.244.69: bytes=32 time=64ms TTL=53
Reply from 212.58.244.69: bytes=32 time=180ms TTL=53
Reply from 212.58.244.69: bytes=32 time=21ms TTL=53
Reply from 212.58.244.69: bytes=32 time=106ms TTL=53
Reply from 212.58.244.69: bytes=32 time=19ms TTL=53
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Reply from 212.58.244.69: bytes=32 time=64ms TTL=53
Reply from 212.58.244.69: bytes=32 time=30ms TTL=53
Reply from 212.58.244.69: bytes=32 time=24ms TTL=53
Reply from 212.58.244.69: bytes=32 time=64ms TTL=53
Reply from 212.58.244.69: bytes=32 time=68ms TTL=53
Reply from 212.58.244.69: bytes=32 time=29ms TTL=53
Reply from 212.58.244.69: bytes=32 time=19ms TTL=53
Reply from 212.58.244.69: bytes=32 time=37ms TTL=53
Reply from 212.58.244.69: bytes=32 time=35ms TTL=53
Reply from 212.58.244.69: bytes=32 time=49ms TTL=53
Reply from 212.58.244.69: bytes=32 time=23ms TTL=53
Reply from 212.58.244.69: bytes=32 time=32ms TTL=53
Reply from 212.58.244.69: bytes=32 time=17ms TTL=53
Reply from 212.58.244.69: bytes=32 time=22ms TTL=53
Reply from 212.58.244.69: bytes=32 time=23ms TTL=53
Reply from 212.58.244.69: bytes=32 time=33ms TTL=53
Reply from 212.58.244.69: bytes=32 time=50ms TTL=53
Reply from 212.58.244.69: bytes=32 time=30ms TTL=53
Reply from 212.58.244.69: bytes=32 time=40ms TTL=53
Reply from 212.58.244.69: bytes=32 time=39ms TTL=53
Reply from 212.58.244.69: bytes=32 time=31ms TTL=53
Reply from 212.58.244.69: bytes=32 time=22ms TTL=53
Reply from 212.58.244.69: bytes=32 time=42ms TTL=53
Reply from 212.58.244.69: bytes=32 time=40ms TTL=53
Reply from 212.58.244.69: bytes=32 time=30ms TTL=53
Reply from 212.58.244.69: bytes=32 time=20ms TTL=53
Reply from 212.58.244.69: bytes=32 time=21ms TTL=53
Reply from 212.58.244.69: bytes=32 time=18ms TTL=53
Reply from 212.58.244.69: bytes=32 time=35ms TTL=53
Reply from 212.58.244.69: bytes=32 time=44ms TTL=53
Reply from 212.58.244.69: bytes=32 time=43ms TTL=53
Reply from 212.58.244.69: bytes=32 time=98ms TTL=53
Reply from 212.58.244.69: bytes=32 time=35ms TTL=53
Reply from 212.58.244.69: bytes=32 time=58ms TTL=53
Reply from 212.58.244.69: bytes=32 time=26ms TTL=53
Reply from 212.58.244.69: bytes=32 time=36ms TTL=53
Reply from 212.58.244.69: bytes=32 time=41ms TTL=53
Reply from 212.58.244.69: bytes=32 time=31ms TTL=53
Reply from 212.58.244.69: bytes=32 time=19ms TTL=53
Reply from 212.58.244.69: bytes=32 time=34ms TTL=53
Reply from 212.58.244.69: bytes=32 time=128ms TTL=53
Reply from 212.58.244.69: bytes=32 time=23ms TTL=53
Reply from 212.58.244.69: bytes=32 time=20ms TTL=53
Reply from 212.58.244.69: bytes=32 time=26ms TTL=53
Reply from 212.58.244.69: bytes=32 time=57ms TTL=53
Reply from 212.58.244.69: bytes=32 time=19ms TTL=53
Reply from 212.58.244.69: bytes=32 time=38ms TTL=53
Reply from 212.58.244.69: bytes=32 time=62ms TTL=53
Reply from 212.58.244.69: bytes=32 time=35ms TTL=53
Reply from 212.58.244.69: bytes=32 time=40ms TTL=53
Reply from 212.58.244.69: bytes=32 time=51ms TTL=53
Reply from 212.58.244.69: bytes=32 time=53ms TTL=53
Reply from 212.58.244.69: bytes=32 time=44ms TTL=53
Reply from 212.58.244.69: bytes=32 time=121ms TTL=53
Reply from 212.58.244.69: bytes=32 time=39ms TTL=53
Reply from 212.58.244.69: bytes=32 time=73ms TTL=53
Reply from 212.58.244.69: bytes=32 time=32ms TTL=53
Reply from 212.58.244.69: bytes=32 time=32ms TTL=53
Reply from 212.58.244.69: bytes=32 time=35ms TTL=53
Reply from 212.58.244.69: bytes=32 time=36ms TTL=53
Reply from 212.58.244.69: bytes=32 time=37ms TTL=53
Reply from 212.58.244.69: bytes=32 time=22ms TTL=53
Reply from 212.58.244.69: bytes=32 time=45ms TTL=53
Reply from 212.58.244.69: bytes=32 time=33ms TTL=53
Reply from 212.58.244.69: bytes=32 time=55ms TTL=53
Reply from 212.58.244.69: bytes=32 time=25ms TTL=53
Reply from 212.58.244.69: bytes=32 time=25ms TTL=53
Reply from 212.58.244.69: bytes=32 time=46ms TTL=53
Reply from 212.58.244.69: bytes=32 time=39ms TTL=53
Reply from 212.58.244.69: bytes=32 time=25ms TTL=53
Reply from 212.58.244.69: bytes=32 time=76ms TTL=53
Reply from 212.58.244.69: bytes=32 time=48ms TTL=53
Reply from 212.58.244.69: bytes=32 time=38ms TTL=53
Reply from 212.58.244.69: bytes=32 time=37ms TTL=53
Reply from 212.58.244.69: bytes=32 time=18ms TTL=53
Reply from 212.58.244.69: bytes=32 time=28ms TTL=53
Reply from 212.58.244.69: bytes=32 time=52ms TTL=53
Reply from 212.58.244.69: bytes=32 time=49ms TTL=53
Reply from 212.58.244.69: bytes=32 time=42ms TTL=53
Reply from 212.58.244.69: bytes=32 time=23ms TTL=53
Reply from 212.58.244.69: bytes=32 time=23ms TTL=53
Reply from 212.58.244.69: bytes=32 time=63ms TTL=53
Reply from 212.58.244.69: bytes=32 time=50ms TTL=53
Reply from 212.58.244.69: bytes=32 time=29ms TTL=53
Reply from 212.58.244.69: bytes=32 time=75ms TTL=53
Reply from 212.58.244.69: bytes=32 time=33ms TTL=53
Reply from 212.58.244.69: bytes=32 time=32ms TTL=53
Reply from 212.58.244.69: bytes=32 time=44ms TTL=53
Reply from 212.58.244.69: bytes=32 time=61ms TTL=53
Reply from 212.58.244.69: bytes=32 time=27ms TTL=53
Reply from 212.58.244.69: bytes=32 time=45ms TTL=53
Reply from 212.58.244.69: bytes=32 time=35ms TTL=53
Reply from 212.58.244.69: bytes=32 time=32ms TTL=53
Reply from 212.58.244.69: bytes=32 time=21ms TTL=53
Reply from 212.58.244.69: bytes=32 time=57ms TTL=53
Reply from 212.58.244.69: bytes=32 time=59ms TTL=53
Reply from 212.58.244.69: bytes=32 time=42ms TTL=53
Reply from 212.58.244.69: bytes=32 time=27ms TTL=53
Reply from 212.58.244.69: bytes=32 time=79ms TTL=53
Reply from 212.58.244.69: bytes=32 time=43ms TTL=53
Reply from 212.58.244.69: bytes=32 time=36ms TTL=53
Reply from 212.58.244.69: bytes=32 time=24ms TTL=53
Reply from 212.58.244.69: bytes=32 time=81ms TTL=53
Reply from 212.58.244.69: bytes=32 time=52ms TTL=53
Reply from 212.58.244.69: bytes=32 time=43ms TTL=53
Reply from 212.58.244.69: bytes=32 time=49ms TTL=53
Reply from 212.58.244.69: bytes=32 time=23ms TTL=53
Reply from 212.58.244.69: bytes=32 time=20ms TTL=53
Reply from 212.58.244.69: bytes=32 time=40ms TTL=53
Reply from 212.58.244.69: bytes=32 time=137ms TTL=53
Reply from 212.58.244.69: bytes=32 time=50ms TTL=53
Reply from 212.58.244.69: bytes=32 time=54ms TTL=53
Reply from 212.58.244.69: bytes=32 time=105ms TTL=53
Reply from 212.58.244.69: bytes=32 time=46ms TTL=53
Reply from 212.58.244.69: bytes=32 time=23ms TTL=53
Reply from 212.58.244.69: bytes=32 time=34ms TTL=53
Reply from 212.58.244.69: bytes=32 time=30ms TTL=53
Reply from 212.58.244.69: bytes=32 time=64ms TTL=53
Reply from 212.58.244.69: bytes=32 time=37ms TTL=53
Reply from 212.58.244.69: bytes=32 time=30ms TTL=53
Reply from 212.58.244.69: bytes=32 time=84ms TTL=53
Reply from 212.58.244.69: bytes=32 time=44ms TTL=53
Reply from 212.58.244.69: bytes=32 time=52ms TTL=53
Reply from 212.58.244.69: bytes=32 time=30ms TTL=53
Reply from 212.58.244.69: bytes=32 time=31ms TTL=53
Reply from 212.58.244.69: bytes=32 time=46ms TTL=53
Reply from 212.58.244.69: bytes=32 time=32ms TTL=53
Reply from 212.58.244.69: bytes=32 time=24ms TTL=53
Reply from 212.58.244.69: bytes=32 time=19ms TTL=53
Reply from 212.58.244.69: bytes=32 time=17ms TTL=53
Reply from 212.58.244.69: bytes=32 time=47ms TTL=53
Reply from 212.58.244.69: bytes=32 time=33ms TTL=53
Reply from 212.58.244.69: bytes=32 time=34ms TTL=53

Ping statistics for 212.58.244.69:
    Packets: Sent = 206, Received = 206, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 17ms, Maximum = 180ms, Average = 42ms

---------- Post added 17-02-2011 at 00:00 ---------- Previous post was 16-02-2011 at 23:59 ----------

i used to get around 15-16ms ping to bbc on talktalk fastpath

---------- Post added at 00:02 ---------- Previous post was at 00:00 ----------

any way to lower pings and reduce jitter? i mean without cutting my neibours cables haha

pabscars · 17-02-2011, 07:02

One of the down sides to Virgin is the high amount of Jitter and unstable pings. Your test's pretty much mimic mine but you should still be able to game ok, give it a go and see how you get on.

As far as I know there is absolutely nothing you can do about this.

Perfect Choice · 17-02-2011, 11:12

Thought I would post this as this is the thread looking at power levels, had an VM engineer round earlier to adjust my download power levels, as was around 14 dBmV. Engineer fitted an “equaliser” device to bring down the level on the required channels, now around 8-8.5 dBmV.

He told me the normal range should be between -7 and 11 dBmV for where I am in Nottingham, so something to compare against.

Everything running smoothly, did have the odd web site load corruption before, which I didn’t get before the SH was installed but so far everything now looks fine.

He also asked me to use http://www.speedtest.bbmax.co.uk/ for testing speed which I’ve not used before, used internally apparently or that was what I was told!

craigj2k12 · 17-02-2011, 11:24

yeah that site works okay for me

http://www.speedtest.bbmax.co.uk/res...221&v=12142388

the london speedtest.net server is also rock solid, the maidenhaid can be a bit hit and miss, depending on time of day. the others on speedtest are all pretty crap though

Peter_ · 17-02-2011, 13:27

Quote:

Originally Posted by Perfect Choice

Thought I would post this as this is the thread looking at power levels, had an VM engineer round earlier to adjust my download power levels, as was around 14 dBmV. Engineer fitted an â€œequaliserâ€ device to bring down the level on the required channels, now around 8-8.5 dBmV.

He told me the normal range should be between -7 and 11 dBmV for where I am in Nottingham, so something to compare against.

Everything running smoothly, did have the odd web site load corruption before, which I didnâ€™t get before the SH was installed but so far everything now looks fine.

He also asked me to use http://www.speedtest.bbmax.co.uk/ for testing speed which Iâ€™ve not used before, used internally apparently or that was what I was told!

It is a common speed test site and anyone can use it, not really one that our 2nd line team would accept as evidence of speed issues though.