超五类屏蔽双绞线具体的参数有哪些?分别是多少?
五类屏蔽数字电缆(4对-25对，HSYV，HSYZ系列)Shielded
Twisted
Pair
Category
5
Digital
Cable
(4
pairs
to
25
pairs,
HSYV,HSYZ
Series)
结构
Φ0.511mm(24AWG)裸铜线，聚乙烯绝缘，两根绝缘
导线扭绞成对绞组，共4对到25对，外包铝箔带，内设排流线，最外层为阻燃聚氯乙烯或低烟无卤阻燃聚烯烃护套(护套颜色为灰色，也可由用户指定)
Structure
Solid
Bare
Copper
24AWG(Φ0.511mm),PE
insulation,
Twisted,4
pairs
to
25
pairs,
Aluminum
foil
shielded
,
Drain
wire
attached,
FR
PVC
or
LSNHP
sheathed
(The
color
of
the
sheath
is
normally
grey,
and
it
also
can
be
specified
by
the
users)
产品特性
传输频率达到100MHz
适用于工作区通信输出端与交接箱之间或配线架之间
的布线
支持10BASE-T，100BASE-TX(快速以太网)，4/16M
bps令牌环(IEEE802.5),ATM52/155Mbps
标准
Characteristics
行标YD/T1019-2001
Transmission
frequency
up
to
100
MHz
国际
ISO/IEC
11801
Used
as
cabling
among
the
cross-connecting
boxes
and
美国
ANSI/TIA/EIA
568A
the
communication
output
ends
of
the
operation
area
Standards
or
between
main
distribution
frames
Trade
standard
YD/T1019-2001
Support
10BASE-T,100BASE-TX(Fast
Ethernet),4/16Mbps
International
Standard
ISO/IEC
11801
token-ring(IEEE802.5),ATM52/155Mbps
USA
Standard
ANSI/TIA/EIA
568A
技术指标(Technical
Index)
频率
Frequency
特性阻抗
Impedance
衰减
Attenuation
近端串音衰减
NEXT
等电平远端串音衰减ELFEXT
回波损耗
RL
MHz
Ω
≤dB/100m
≥dB/100m
≥dB/100m
≥dB/100m
1
100±15
2.0
62
61
17
4
4.1
53
49
18.8
10
6.5
47
41
20
16
8.2
44
37
20
20
9.2
43
35
20
31.25
11.7
40
31
18.6
62.5
17.0
35
25
16.5
100
22.0
32
21
15.1
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