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参数资料
| 型号： | DN-91624U |
| 厂商： | Assmann WSW Components |
| 文件页数： | 3/36页 |
| 文件大小： | 0K |
| 描述： | PATCH PANEL 19" 24PORT RJ45 CAT6 |
| 特色产品： | Digitus? Products |
| 标准包装： | 1 |
| 系列： | Digitus® |
| 类型： | 模块面板 |
| 连接器类型： | RJ45 |
| 位置数： | 24 个端口 |
| 行数： | 1 |
| 端接类型： | LSA 块 |
| 其它名称： | AE10604 |
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? The return flow attenuation is the measure for outstanding
reflection of the transmission signal which is created by sud
den increases in impedance in the cable run (Return Loss).
? The attenuation shows the lost part of the signal over the
cable run (Attenuation).
? The near end cross talk attenuation is used as a measure of
cross talk at the near end of the cable run. Each pair of
strands will be measured at the other pairs respectively
(Near end crosstalk NEXT).
? The far end cross talk attenuation is measured as the same
way as NEXT (Far end crosstalk FEXT).
? ACR measures the ratio between cross talk and attenuation.
? (Attenuation to crosstalk ratio ACR=NEXT - attenuation).
? Equal Level FEXT is the extent of crosstalk at the far end where
the pair attenuation is deducted from this (ELFEXT).
? Run time of the signal over the transmission distance
? (Propagation delay).
? Run time differences arise with simultaneous transmission of
a signal to various pairs (delay skew).
? Power Sum is the total of the faults which are coupled in from
the remaining pairs to the fourth pair (PS).
? PSNEXT = Power Sum NEXT
? PSACR = Power Sum ACR
? PSELFEXT = Power Sum ELFEXT
Structure of the cabling system in accordance with EN 50173
Cabling takes place on different levels, not only storeys/floors
are cabled but also different floors are cabled with each other
and buildings are also cabled over outside surfaces.
There different areas are defined for these applications.
? Primary cabling outside site areas, campus backbone
? Secondary cabling building area, building backbone
? Tertiary cabling, cabling in floors, horizontal cabling
Basic standard specifications have been laid down in these cabling
areas, as far as the execution of the entire cabling system is con -
cerned.
At least one sub-distribution panel is planned for an office space
of 1000m2. Such a sub distribution panel can also serve several
floors in smaller buildings. The jacks should be distributed over the
entire useable area where there have to be at least 2 connections
for each workplace. One of the connections should be at least made
with symmetric copper cable, the other one can be connected by
using LWL cable.
The following minimum and maximum requirements are imposed
on the lengths of cable for cabling in floors. The distance between
the user end device and the distribution components, including all
the patch cable used must not exceed 100 m.
Cabling areas
3
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DN-91648U | 功能描述:PATCH PANEL 19" 48PORT RJ45 CAT6 RoHS:是 类别:盒，外壳，支架 >> 插线台，插座面板 系列:Digitus® 标准包装:1 系列:TT96 类型:音频插孔面板 连接器类型:0.173" 耳机插孔 位置数:96 行数:2 端接类型:焊接 |
| DN91A-M002 | 制造商:Woodhead Molex 功能描述: |
| DN91A-M200 | 制造商:Molex 功能描述:MC 5P M/MFE 20M 90/ST TRUNK |
| DN-93501-U/B | 功能描述:CONN JCK RJ45 TOOL FREE CAT5E BU RoHS:是 类别:连接器，互连式 >> Keystone - 插件 系列:- 标准包装:1 系列:PLUSCON VS 样式:模块 外用类型（适配器端）:模块插孔 8p8c（RJ45 以太网） 内用类型（适配器端）:模块插孔 8p8c（RJ45 以太网） 体座颜色:- 技术规格:Cat 5e，屏蔽式 其它名称:VS-08-BU-RJ45/KA/LSA |
| DN-93501-U/BL | 功能描述:CONN JCK RJ45 TOOL FREE CAT5E BK RoHS:是 类别:连接器，互连式 >> Keystone - 插件 系列:- 标准包装:1 系列:PLUSCON VS 样式:模块 外用类型（适配器端）:模块插孔 8p8c（RJ45 以太网） 内用类型（适配器端）:模块插孔 8p8c（RJ45 以太网） 体座颜色:- 技术规格:Cat 5e，屏蔽式 其它名称:VS-08-BU-RJ45/KA/LSA |
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