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
-1
0
-66.2 dBc
-1.36 µs
178.2 m
584 ft
2
2
0
-60.1 dBc
-1.17 µs
152.8 m
501 ft
3
-4
-6
-49.0 dBc
-0.97 µs
127.3 m
417 ft
4
1
8
-48.0 dBc
-0.78 µs
101.8 m
334 ft
5
3
-6
-49.6 dBc
-0.58 µs
76.4 m
250 ft
6
-3
15
-42.5 dBc
-0.39 µs
50.9 m
167 ft
7
1
-35
-35.3 dBc
-0.19 µs
25.4 m
83 ft
8
2,043
70
0.0 dBc
0.00 µs
0.0 m
0 ft
9
-59
-18
-30.4 dBc
0.19 µs
25.4 m
83 ft
10
-39
-45
-30.7 dBc
0.39 µs
50.9 m
167 ft
11
11
11
-42.3 dBc
0.58 µs
76.4 m
250 ft
12
2
-3
-55.0 dBc
0.78 µs
101.8 m
334 ft
13
1
-1
-63.2 dBc
0.97 µs
127.3 m
417 ft
14
6
1
-50.5 dBc
1.17 µs
152.8 m
501 ft
15
-3
0
-56.6 dBc
1.36 µs
178.2 m
584 ft
16
8
14
-42.0 dBc
1.56 µs
203.7 m
668 ft
17
4
6
-49.0 dBc
1.75 µs
229.2 m
752 ft
18
4
2
-53.2 dBc
1.95 µs
254.7 m
835 ft
19
2
-3
-55.0 dBc
2.14 µs
280.1 m
919 ft
20
-1
1
-63.2 dBc
2.34 µs
305.6 m
1,002 ft
21
1
3
-56.2 dBc
2.53 µs
331.1 m
1,086 ft
22
5
0
-52.2 dBc
2.73 µs
356.5 m
1,169 ft
23
4
-7
-48.0 dBc
2.92 µs
382.0 m
1,253 ft
24
6
1
-50.5 dBc
3.12 µs
407.5 m
1,337 ft
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