電纜結(jié)構(gòu)
Cable Construction
|
|
對數(shù)
No.of Pairs
|
導(dǎo)線直徑
Conductor
dimension
mm
|
絕緣線徑
Core
Dimension
mm
|
結(jié)構(gòu)
Construction
|
屏蔽
Shielding
|
護(hù)層直徑
Nom O.D.
mm
|
|
4
|
0.51
|
0.91
|
UTP 非屏蔽
|
-
|
5.1
|
|
25
|
0.51
|
0.91
|
UTP 非屏蔽
|
-
|
12.5
|
|
4
|
0.53
|
1.00
|
STP 屏蔽
|
鋁箔
|
6.3
|
|
4
|
0.53
|
1.00
|
STP 屏蔽
|
鋁箔+編織
|
6.3
|
電性能
Electrical Characteristis
|
|
頻率
Frequency
MHz
|
衰減
max
Attenuation
dB/100m
|
回波損耗
min
Echo Loss
dB
|
近端串音
min
Next Worst Pair
dB
|
遠(yuǎn)端串音
min
Worst Pair
dB/100m
|
|
1
|
2.0
|
20.0
|
62
|
61
|
|
4
|
4.1
|
23.0
|
53
|
49
|
|
10
|
6.5
|
25.0
|
47
|
41
|
|
16
|
8.2
|
25.0
|
44
|
37
|
|
20
|
9.3
|
25.0
|
42
|
35
|
|
31.25
|
11.7
|
23.6
|
40
|
31
|
|
62.5
|
17.0
|
21.5
|
35
|
25
|
|
100
|
22.0
|
20.1
|
32
|
21
|
特性阻抗：Characteristic impedance 100±15Ω
關(guān)于5類電纜的標(biāo)準(zhǔn)：
ANSI/TIA/EIA-568A
IEC61156-1994
ISO/IEC 11801(2nd edition)
CENELEC EN50173(2nd edition)
ANSI/NEMA WC63.1-1996
YD/T838-1996
