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My Stats and PM from Virgin
Hi
I was over on the Virgin Media Community forums and received the following PM from a member of the VM staff. "Regarding your post in this thread, I have taken a look at your connection and can see that your modems downstream power levels are too high. We will need to arrange for an engineer to call to alter this. Can you let me know when in the next 7 days you will be available? Our timeslots Monday to Fridays are 8am-12noon, 12noon-4pm and 4pm-7pm. Saturdays 8am-12noon and 12noon-4pm." Now I am very happy with my service so don't necessarily want to change something and have it mess up. I am on the 30 MB package and have the improved upload speeds eg 3mb. I have a Superhub with R26 firmware. Speedtest shows I get the full 30mb down and 3mb up. Startup Procedure Procedure Status Comment Acquire Downstream Channel 307000000 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 114 55616000 Kbits/sec 307000000 Hz 11.6 dBmV 43.0 dB Hybrid Locked QAM256 113 55616000 Kbits/sec 299000000 Hz 11.8 dBmV 42.9 dB Hybrid Locked QAM256 115 55616000 Kbits/sec 315000000 Hz 11.2 dBmV 42.1 dB Hybrid Locked QAM256 116 55616000 Kbits/sec 323000000 Hz 10.6 dBmV 42.4 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 1 20480 Kbits/sec 35800000 Hz 45.4 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 23812 Max Traffic Rate 33330000 bps Max Traffic Burst 3044 bytes Mix Traffic Rate 0 bps -------------------------------------------------------------------------------- Primary Upstream Service Flow Upstream(0) SFID 23811 Max Traffic Rate 3333000 bps Max Traffic Burst 8160 bytes Mix Traffic Rate 0 bps Max Concatenated Burst 8160 bytes Scheduling Type Best Effort What do you reckon? Shall I get the engineer round? Thanks |
Re: My Stats and PM from Virgin
Yes you need a technician with that high a downstream and I would book one if you were speaking to me.
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Re: My Stats and PM from Virgin
it can only make it better, those stats are rather high
you will probably have disconnections in the log? |
Re: My Stats and PM from Virgin
Tech will just add an attenuator to modem, will take 30seconds. If your really worried you could just take it off again
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Re: My Stats and PM from Virgin
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Re: My Stats and PM from Virgin
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Re: My Stats and PM from Virgin
Probably because as I've been saying for years, a high downstream rarely causes an issue, it's the upstream that's the most important
Most houses that I go to when I swap a modem has a downstream of 10 etc. They all say worked fine for years |
Re: My Stats and PM from Virgin
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Re: My Stats and PM from Virgin
0db is best I aim to get my customers at about 5db though, just incase another tech moves my customer down a power band in the future
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Re: My Stats and PM from Virgin
mines between 1 and 2
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Re: My Stats and PM from Virgin
Mines -0.5 but then it would be perfect with all my attenuators :)
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Re: My Stats and PM from Virgin
im using a 10db FPA
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Re: My Stats and PM from Virgin
My SH's power levels were -0.2 0 0.2 on the three DS channels. Smack bang in the sweet spot.
The VMNG300 seems to get ones a bit higher, usually 2-3. I should dig out that spare 3db attenuator I have. |
Re: My Stats and PM from Virgin
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Re: My Stats and PM from Virgin
Had the engineer round who fitted an attenuator. Here are my new stats.
Startup Procedure Procedure Status Comment Acquire Downstream Channel 307000000 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 114 55616000 Kbits/sec 307000000 Hz 0.6 dBmV 42.5 dB Hybrid Locked QAM256 113 55616000 Kbits/sec 299000000 Hz 0.9 dBmV 42.0 dB Hybrid Locked QAM256 115 55616000 Kbits/sec 315000000 Hz 0.4 dBmV 41.6 dB Hybrid Locked QAM256 116 55616000 Kbits/sec 323000000 Hz 0.0 dBmV 41.9 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 1 20480 Kbits/sec 35800000 Hz 45.9 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 26489 Max Traffic Rate 33330000 bps Max Traffic Burst 3044 bytes Mix Traffic Rate 0 bps -------------------------------------------------------------------------------- Primary Upstream Service Flow Upstream(0) SFID 26484 Max Traffic Rate 3333000 bps Max Traffic Burst 8160 bytes Mix Traffic Rate 0 bps Max Concatenated Burst 8160 bytes Scheduling Type Best Effort |
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