Power Levels Right Or Do i Need to fit attenuator
03-02-2012, 20:02
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#1
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VM Customer
Join Date: Dec 2010
Location: Liverpool
Services: Virgin Media 100mb Broadband , VM Tivo, XL tv, Xl Phone
V+HD, VHD Box, Superhub
Posts: 241
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Power Levels Right Or Do i Need to fit attenuator
Connection
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 80 55616000 Kbits/sec 299000000 Hz 12.6 dBmV 44.9 dB Hybrid
Locked QAM256 81 55616000 Kbits/sec 307000000 Hz 12.2 dBmV 44.9 dB Hybrid
Locked QAM256 82 55616000 Kbits/sec 315000000 Hz 11.1 dBmV 43.9 dB Hybrid
Locked QAM256 83 55616000 Kbits/sec 323000000 Hz 10.5 dBmV 43.6 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 2 20480 Kbits/sec 45800000 Hz 48.0 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 3010
Max Traffic Rate 53000000 bps
Max Traffic Burst 3044 bytes
Mix Traffic Rate 0 bps
Primary Upstream Service Flow
Upstream(0)
SFID 3009
Max Traffic Rate 5140000 bps
Max Traffic Burst 8160 bytes
Mix Traffic Rate 0 bps
Max Concatenated Burst 8160 bytes
Scheduling Type Best Effort
Current System Time:Fri Feb 03 20:00:10 2012
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03-02-2012, 20:04
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#2
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cf.member
Join Date: Feb 2010
Posts: 72
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Re: Power Levels Right Or Do i Need to fit attenuator
downstream power levels too high. Everything else looks ok..
You should be ok with a -10dB forward path attenuator...
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03-02-2012, 20:30
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#3
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VM Customer
Join Date: Dec 2010
Location: Liverpool
Services: Virgin Media 100mb Broadband , VM Tivo, XL tv, Xl Phone
V+HD, VHD Box, Superhub
Posts: 241
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Re: Power Levels Right Or Do i Need to fit attenuator
here is it with 6db attenuator
Connection
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 80 55616000 Kbits/sec 299000000 Hz 6.3 dBmV 44.6 dB Hybrid
Locked QAM256 81 55616000 Kbits/sec 307000000 Hz 5.8 dBmV 44.7 dB Hybrid
Locked QAM256 82 55616000 Kbits/sec 315000000 Hz 4.9 dBmV 43.8 dB Hybrid
Locked QAM256 83 55616000 Kbits/sec 323000000 Hz 4.3 dBmV 43.6 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 2 20480 Kbits/sec 45800000 Hz 48.0 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 3010
Max Traffic Rate 53000000 bps
Max Traffic Burst 3044 bytes
Mix Traffic Rate 0 bps
Primary Upstream Service Flow
Upstream(0)
SFID 3009
Max Traffic Rate 5140000 bps
Max Traffic Burst 8160 bytes
Mix Traffic Rate 0 bps
Max Concatenated Burst 8160 bytes
Scheduling Type Best Effort
Current System Time:Fri Feb 03 20:29:12 2012
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03-02-2012, 20:54
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#4
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NoT 1oF tHe UsUaLSuSpeCtS
Join Date: Aug 2009
Location: DaRk SiDe Of ThE MooN
Services: Virginmedia100
TvXL
TiVo1TB
PhoneXL Talk unlimited
Posts: 200
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Re: Power Levels Right Or Do i Need to fit attenuator
Locked QAM256 80 55616000 Kbits/sec 299000000 Hz 6.3 dBmV 44.6 dB Hybrid
Locked QAM256 81 55616000 Kbits/sec 307000000 Hz 5.8 dBmV 44.7 dB Hybrid
Locked QAM256 82 55616000 Kbits/sec 315000000 Hz 4.9 dBmV 43.8 dB Hybrid
Locked QAM256 83 55616000 Kbits/sec 323000000 Hz 4.3 dBmV 43.6 dB Hybrid
Your dbmv levels are still slightly high...
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03-02-2012, 21:43
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#5
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a giant headend
Join Date: Jan 2011
Location: Liverpool
Posts: 606
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Re: Power Levels Right Or Do i Need to fit attenuator
Is your connection OK?
Dont worry about power levels if your connection is fine, youll be watching them all the time (they will fluctuate due to weather) which is silly. My DS is at 14 but my connection is better than ever:
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03-02-2012, 22:31
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#6
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VM Customer
Join Date: Dec 2010
Location: Liverpool
Services: Virgin Media 100mb Broadband , VM Tivo, XL tv, Xl Phone
V+HD, VHD Box, Superhub
Posts: 241
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Re: Power Levels Right Or Do i Need to fit attenuator
just got new superhub due to connection rebooting randomly tech support though it was power levels . i think with the attenuator lowers it to with in spec but i reckon first reading is due to cold weather sending it up
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