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Old 06-03-2010, 14:26   #13
deathtrap3000
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Join Date: Nov 2005
Location: London
Services: V+ HD XL BT Infinity 80mbps
Posts: 538
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Re: Problem with cable modem

Hmm that sounds like a good idea. Maybe I should have done that in the first place.

Signal levels before modem moved upstairs.

Downstream
Downstream Lock : Locked
Downstream Channel Id :
27
Downstream Frequency :
298750000 Hz
Downstream Modulation :
QAM256
Downstream Symbol Rate :
6952 Ksym/sec
Downstream Interleave Depth :
taps12Increment17
Downstream Receive Power Level : -3.1 dBmV
Downstream SNR : 35.1 dB

Upstream
Upstream Lock : Locked
Upstream Channel ID : 4
Upstream Frequency :
45800000 Hz
Upstream Modulation :
QPSK
Upstream Symbol Rate :
5120 Ksym/sec
Upstream transmit Power Level :
48.2 dBmV
Upstream Mini-Slot Size :
1


Signal levels after modem change and tech visit.

Downstream
Downstream Lock : Locked
Downstream Channel Id :
0
Downstream Frequency :
586750000 Hz
Downstream Modulation :
QAM64
Downstream Symbol Rate :
6952 Ksym/sec
Downstream Interleave Depth :
taps12Increment17
Downstream Receive Power Level : -11.1 dBmV
Downstream SNR : 32.0 dB

Upstream
Upstream Lock : Locked
Upstream Channel ID : 2
Upstream Frequency :
25800000 Hz
Upstream Modulation :
QAM16
Upstream Symbol Rate :
2560 Ksym/sec
Upstream transmit Power Level :
46.5 dBmV
Upstream Mini-Slot Size :
2
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