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APPENDIX C
EIA/TIA TSB-40A COMPLIANCE
The Model 57x/58x series surge protectors have been designed to
conform to stringent EIA/TIA TSB-40 standards as required for all
Category-5 connecting hardware. These standards specify the capaci-
tance and near end cross-talk (N.E.X.T) to insure proper operation of
ALL connected equipment. Specific test results are shown in the
tables on the following pages*.
TSB-40A COMPLIANCE TESTING RESULTS
TYPICAL NEAR-END CROSSTALK MEASUREMENT
SOURCE/VICTIM PAIRS
FREQ
1-2/3-6
1-2/4-5
1-2/7-8
MHz
dB
dB
dB
1
82.0
85.0
85.0
4
74.0
77.0
85.0
8
69.0
71.0
83.0
10
67.0
69.0
83.0
16
63.0
66.0
79.0
20
65.5
64.0
78.0
25
62.0
62.0
77.0
31.25
56.1
62.0
75.5
62.5
46.0
56.0
74.0
100
45.0
48.0
57.0
Figure C-1. N.E.X.T. measurements for Patton Model 57x
SOURCE/VICTIM PAIRS
FREQ
1-2/3-6
1-2/4-5
1-2/7-8
MHz
dB
dB
dB
1
77.0
85.0
85.0
4
70.0
76.0
85.0
8
67.0
70.0
85.0
10
67.0
68.0
85.0
16
62.0
65.0
83.0
20
69.0
65.0
73.0
25
59.0
62.0
72.0
31.25
57.0
61.0
81.0
62.5
51.5
57.0
68.0
100
44.0
45.0
54.0
Figure C-2. N.E.X.T. measurements for Patton Model 58x
*Note: All test results are for the Model 57x/58x alone , not including any
external patch cables that are connected to the unit.
3-6/4-5
3-6/7-8
4-5/7-8
SPEC
dB
dB
dB
dB
78.0
84.0
82.0
>65
68.0
73.0
71.0
>65
62.8
67.0
64.0
62
61.0
66.0
63.0
60
56.0
61.0
59.0
56
57.0
66.0
56.0
54
53.0
58.0
56.0
52
52.0
54.6
53.0
50
44.5
46.0
47.0
44
40.5
42.0
49.0
40
3-6/4-5
3-6/7-8
4-5/7-8
SPEC
dB
dB
dB
dB
79.0
83.0
81.0
>65
68.0
73.0
70.0
>65
62.1
67.0
64.0
62
61.0
66.0
62.0
60
57.0
61.0
58.0
56
58.0
63.0
56.0
54
53.2
58.0
55.0
52
51.0
55.0
53.0
50
45.0
46.0
48.0
44
42.0
41.4
49.0
40
9
APPENDIX C (continu e d )
TSB-40A COMPLIANCE TESTING RESULTS
TYPICAL ATTENUATION MEASUREMENT
Freq
Pins: 1-2
Pins: 3-6
MHz
dB
dB
1
0.0
0.0
4
0.1
0.1
8
0.0
0.1
10
0.0
0.0
16
0.1
0.1
20
0.1
0.1
25
0.0
0.0
35.25
0.0
0.1
62.5
0.2
0.1
100
0.4
0.3
Figure C-3. Attenuation Measurements for Patton Model 57x
Freq
Pins: 1-2
Pins: 3-6
MHz
dB
dB
1
0.1
0.0
4
0.1
0.1
8
0.0
0.1
10
0.1
0.1
16
0.1
0.1
20
0.1
0.2
25
0.0
0.1
35.25
0.0
0.1
62.5
0.1
0.2
100
0.4
0.3
Figure C-4. Attenuation measurements for Patton Model 58x
10
Pins: 4-5
Pins:7-8
Spec
dB
dB
dB
0.0
0.1
0.1
0.1
0.0
0.1
0.1
0.1
0.1
0.1
0.0
0.1
0.1
0.0
0.2
0.2
0.0
0.2
0.1
0.0
0.2
0.2
0.0
0.2
0.3
0.0
0.3
0.4
0.3
0.4
Pins: 4-5
Pins:7-8
Spec
dB
dB
dB
0.1
0.1
0.1
0.0
0.1
0.1
0.0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.2
0.0
0.2
0.2
0.1
0.1
0.2
0.0
0.1
0.2
0.1
0.2
0.3
0.4
0.3
0.4
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