Overview
Upstream Equalizer
The upstream equalizer data can indicate impedance mismatches or other cable impairments. High power levels in this chart, other than the main tap, indicate points of micro-reflection in the nearby cabling.
t,cr,ci,a,t,dm,df
Equalizer Data
Tap
Coefficients
Amplitude
Time
Distance
1
6
0
-50.6 dBc
-1.36 µs
178.2 m
584 ft
2
2
0
-60.1 dBc
-1.17 µs
152.8 m
501 ft
3
0
-8
-48.1 dBc
-0.97 µs
127.3 m
417 ft
4
-4
20
-40.0 dBc
-0.78 µs
101.8 m
334 ft
5
-4
-18
-40.8 dBc
-0.58 µs
76.4 m
250 ft
6
2
36
-35.0 dBc
-0.39 µs
50.9 m
167 ft
7
-14
-104
-25.7 dBc
-0.19 µs
25.4 m
83 ft
8
2,041
0
0.0 dBc
0.00 µs
0.0 m
0 ft
9
-14
-80
-28.0 dBc
0.19 µs
25.4 m
83 ft
10
-32
44
-31.4 dBc
0.39 µs
50.9 m
167 ft
11
-16
-4
-41.8 dBc
0.58 µs
76.4 m
250 ft
12
-2
12
-44.4 dBc
0.78 µs
101.8 m
334 ft
13
-10
-10
-43.1 dBc
0.97 µs
127.3 m
417 ft
14
-4
-2
-53.1 dBc
1.17 µs
152.8 m
501 ft
15
6
2
-50.1 dBc
1.36 µs
178.2 m
584 ft
16
-4
2
-53.1 dBc
1.56 µs
203.7 m
668 ft
17
2
0
-60.1 dBc
1.75 µs
229.2 m
752 ft
18
-4
8
-47.1 dBc
1.95 µs
254.7 m
835 ft
19
6
-4
-49.0 dBc
2.14 µs
280.1 m
919 ft
20
4
-4
-51.1 dBc
2.34 µs
305.6 m
1,002 ft
21
2
-2
-57.1 dBc
2.53 µs
331.1 m
1,086 ft
22
0
0
-70.0 dBc
2.73 µs
356.5 m
1,169 ft
23
0
6
-50.6 dBc
2.92 µs
382.0 m
1,253 ft
24
4
0
-54.1 dBc
3.12 µs
407.5 m
1,337 ft
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