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| 型號： | 95678-002-00 |
| 英文描述： | BUCHSE RJ45 PCB HOR GESCHIRMT 2REIHIG |
| 中文描述： | 比克澤個RJ45賀永GESCHIRMT 2REIHIG板 |
| 文件頁數(shù)： | 10/18頁 |
| 文件大?。?/td> | 81K |
| 代理商： | 95678-002-00 |
TYPE
PRODUCT SPECIFICATION
NUMBER
GS-12-083
TITLE
Single and Multi-Port Modular Jack Assemblies
PAGE
REVISION
10 of 18
F
AUTHORIZED BY
DATE
B. Brubaker
27 Mar 01
CLASSIFICATION
UNRESTRICTED
Copyright 2001 FCI USA, INC.
Form E-3334
02/12/01
GS-01-001
6.7
Connector Category Requirements - Connector categories are defined in EIA/TIA 568A
specification.
6.7.1
Attenuation
Worst case attenuation of any pair within a connector shall not exceed the values listed
in Table 6.7.1 at each specified frequency for a given performance category.
TABLE 6.7.1
Attenuation of Connecting Hardware used for 100
UTP Cable
Frequency (Mhz)
Category 3 (dB)
Category 4 (dB)
Category 5 & 5E
(dB)
1.0
4.0
8.0
10.0
16.0
20.0
25.0
31.25
62.5
100.0
0.4
0.4
0.4
0.4
0.4
-
-
-
-
-
0.1
0.1
0.1
0.1
0.2
0.2
-
-
-
-
0.1
0.1
0.1
0.1
0.2
0.2
0.2
0.2
0.3
0.4
6.7.2
NEXT Loss
NEXT loss is a measure of signal coupling from one circuit within a connector and is
derived from swept frequency voltage measurements on short lengths of 100
twisted-
pair test leads terminated to the connector under test. A balanced input signal is applied
to a disturbing pair of the connector while the induced signal on the disturbed pair is
measured at the near-end of the test leads.
TABLE 6.7.2
UTP Connecting Hardware NEXT Loss
Frequency (Mhz)
Category 3 (dB)
Category 4 (dB)
Category 5 (dB)
Category 5E (dB)
1.0
4.0
8.0
10.0
16.0
20.0
25.0
31.25
62.5
100.0
58
46
40
38
34
-
-
-
-
-
65
58
52
50
46
44
-
-
-
-
65
65
62
60
56
54
52
50
44
40
65
65
65
63
59
57
55
53
47
43
6.7.3
Return Loss
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