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mcust's avatar
mcust
New Contributor
4 years ago

Gigablast slow

Just switched to gigablast and not getting near the speeds i would expect for downstream. It stops at about 350. No splitters (cable modem straight to outside box), 7 foot cat6 cable between router and modem. Speed test from router and speed test from computer directly hooked up to modem stop at about 350 (380 is highest I have seen). Modem is a cm1200. I did perform a modem reset but that made no difference. What is the best route? We had issues with our internet last year for several months until the cable between the house and the pole was replaced. So the outside should still be in good shape. Really hesitant of a tech call: last time it dragged out to 4 visits, me spending over $500 on new equipment (problem always seems to be in your equipment), only to find out the problem was in the end with the outside cable :( Any possibility it is just as simple as requesting a firmware upgrade or some additional reset?

Downstream Bonded Channels
Channel Lock Status Modulation Channel ID Frequency Power SNR Correctables Uncorrectables
1 Locked QAM256 41 405000000 Hz 5.4 dBmV 41 dB 0 0
2 Locked QAM256 1 783000000 Hz 3.7 dBmV 40 dB 0 0
3 Locked QAM256 2 789000000 Hz 3.6 dBmV 39.9 dB 0 0
4 Locked QAM256 3 795000000 Hz 3.4 dBmV 39.8 dB 27 0
5 Locked QAM256 4 801000000 Hz 3.6 dBmV 39.8 dB 19 17
6 Locked QAM256 5 807000000 Hz 3.7 dBmV 39.8 dB 0 0
7 Locked QAM256 6 813000000 Hz 3.9 dBmV 39.8 dB 0 0
8 Locked QAM256 7 819000000 Hz 4.1 dBmV 39.9 dB 0 0
9 Locked QAM256 8 825000000 Hz 4.6 dBmV 40 dB 0 0
10 Locked QAM256 9 831000000 Hz 5.1 dBmV 40 dB 0 0
11 Locked QAM256 10 837000000 Hz 5.2 dBmV 39.9 dB 0 0
12 Locked QAM256 11 843000000 Hz 5.6 dBmV 39.8 dB 0 0
13 Locked QAM256 12 849000000 Hz 5.7 dBmV 39.7 dB 0 0
14 Locked QAM256 13 855000000 Hz 6 dBmV 39.9 dB 0 0
15 Locked QAM256 14 861000000 Hz 5.9 dBmV 39.9 dB 0 0
16 Locked QAM256 15 867000000 Hz 6 dBmV 40 dB 0 0
17 Locked QAM256 16 873000000 Hz 5.9 dBmV 40 dB 0 0
18 Locked QAM256 33 357000000 Hz 4.4 dBmV 40.3 dB 0 0
19 Locked QAM256 34 363000000 Hz 4.5 dBmV 40.7 dB 0 0
20 Locked QAM256 35 369000000 Hz 4.7 dBmV 40.8 dB 0 0
21 Locked QAM256 36 375000000 Hz 4.9 dBmV 40.9 dB 0 0
22 Locked QAM256 37 381000000 Hz 5.1 dBmV 41 dB 0 0
23 Locked QAM256 38 387000000 Hz 5.2 dBmV 41.1 dB 0 0
24 Locked QAM256 39 393000000 Hz 5.4 dBmV 41.1 dB 0 0
25 Locked QAM256 40 399000000 Hz 5.4 dBmV 41.1 dB 0 0
26 Locked QAM256 42 411000000 Hz 5.4 dBmV 41 dB 0 0
27 Locked QAM256 43 417000000 Hz 5.1 dBmV 40.9 dB 0 0
28 Locked QAM256 44 423000000 Hz 4 dBmV 40.6 dB 0 0
29 Locked QAM256 45 429000000 Hz 2.1 dBmV 40.2 dB 0 0
30 Locked QAM256 46 435000000 Hz 3.5 dBmV 40.4 dB 0 0
31 Locked QAM256 47 441000000 Hz 4.2 dBmV 40.5 dB 0 0
32 Locked QAM256 48 447000000 Hz 4.2 dBmV 40.4 dB 0 0
 
Upstream Bonded Channels
Channel Lock Status US Channel Type Channel ID Symbol Rate Frequency Power
1 Locked ATDMA 1 5120 Ksym/sec 17400000 Hz 36.3 dBmV
2 Locked ATDMA 2 5120 Ksym/sec 23900000 Hz 37.3 dBmV
3 Locked ATDMA 3 5120 Ksym/sec 30300000 Hz 37.8 dBmV
4 Locked ATDMA 4 5120 Ksym/sec 36700000 Hz 38.3 dBmV
5 Not Locked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV
6 Not Locked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV
7 Not Locked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV
8 Not Locked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV
 
Downstream OFDM Channels
Channel Lock
Status
Modulation /
Profile ID
Channel
ID
Frequency Power SNR /
MER
Active Subcarrier
Number Range
Unerrored
Codewords
Correctable
Codewords
Uncorrectable
Codewords
1 Locked 0 ,1 ,2 ,3 159 300000000 Hz 7.5 dBmV 42.7 dB 1108 ~ 2987 3083232755 217142280 0
2 Not Locked 0 0 0 Hz 0 dBmV 0.0 dB 0 ~ 4095 0 0 0
 
Upstream OFDMA Channels
Channel Lock Status Modulation / Profile ID Channel ID Frequency Power
1 Not Locked 0 0 0 Hz 0 dBmV
2 Not Locked 0 0 0 Hz 0 dBmV
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