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Old 11-01-2013, 20:17   #3
blue166
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Join Date: Jan 2006
Posts: 111
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Re: Upstream Power Levels Dropped 12dbmv

Thank you for your post.

My DS power levels crept up slightly. Probably by 2-3dbmv across 8 DS channels.

I have had an engineer out today and he replaced my SH.

I have also been made aware of a high utilization on my cable which has a fault ref.(Could you please explain more about high DS/US utilization).

I used to be able to connectio to upstream channel 49,50 and 51 (51 did not last long). But always had 49 and 50. I now only ever have 49 and 49 only. I have rebooted well over 100 times and returned the superhub to defaults and it will not budge.

Please help.

DS-1 DS-2 DS-3 DS-4 DS-5 DS-6 DS-7 DS-8
Frequency (Hz) 266750000 Hz 274750000 Hz 282750000 Hz 290750000 Hz 298750000 Hz 306750000 Hz 314750000 Hz 322750000 Hz
Lock Status(QAM Lock/FEC Sync/MPEG Lock) Locked Locked Locked Locked Locked Locked Locked Locked
Channel ID 107 108 109 110 111 112 36 37
Modulation QAM256 QAM256 QAM256 QAM256 QAM256 QAM256 QAM256 QAM256
Symbol Rate (Msym/sec) 6.952000 6.952000 6.952000 6.952000 6.952000 6.952000 6.952000 6.952000
Interleave Depth 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 I=12
J=17
Power Level (dBmV) 2.0 dBmV 1.8 dBmV 1.5 dBmV 1.2 dBmV 2.6 dBmV 2.5 dBmV 2.7 dBmV 2.6 dBmV
RxMER (dB) 42.5 dB 41.9 dB 41.9 dB 41.9 dB 41.4 dB 41.4 dB 41.4 dB 41.4 dB

Upstream
US-1 US-2 US-3 US-4
Channel Type 2.0 N/A N/A N/A
Channel ID 49 N/A N/A N/A
Frequency (Hz) 45800000 Hz N/A N/A N/A
Ranging Status Success N/A N/A N/A
Modulation QAM16 N/A N/A N/A
Symbol Rate (Sym/sec) 5120000 N/A N/A N/A
Mini-Slot Size 128 N/A N/A N/A
Power Level (dBmV) 38.0 dBmV N/A N/A N/A
T1 Timeouts 0 N/A N/A N/A
T2 Timeouts 0 N/A N/A N/A
T3 Timeouts 0 N/A N/A N/A
T4 Timeouts 0 N/A N/A N/A

My IP has only changed since the hub was replaced today.

Thanks,
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