Application
适用于船舶和海上设施的高性能以太网电缆。适用于一般布线系统,包括 10/100/1000 Base-T、ATM 和令牌环网络。此系列屏蔽电缆旨在支持 Cat 5 增强型链路和通道性能。具有国际定义的物理和电气性能,高达 100MHz。
Construction
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Conductor
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Stranded bare copper, AWG 24(0.205mm2)
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Insulation
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Foam polyethylene (Nom. Ø1.30mm)
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No. of pair
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4
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Insulation color
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White/Blue, White/Orange, White/Green, White/Brown
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Individual screen
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Per pair 100% Al-/polyester tape
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Overall screen
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Tinned copper wire braid
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Outer jacket
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SHF1 or SHF2 or SHF2 MUD
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Outer jacket color
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Grey or per request
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Outer diameter
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8.1 ± 0.5mm
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Standards
BS EN 50288-4, TIA-568.2-D, IEC 61156-5, ISO/IEC11801.
Electrical characteristic(@20℃)
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Conductor DC resistance
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≤92 Ohm/km
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Velocity factor
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74%
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Conductor resistance unbalance within pair
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≤2%
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Conductor resistance unbalance between pair
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≤4%
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Insulation resistance
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≥5000 MΩ.m
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Mean characteristic impedance
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100 ± 5 ohm @100MHz
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Dielectric strength(conductor/conductor)
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1.0KV d.c for 1min
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Dielectric strength(conductor/screen)
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1.0KV d.c for 1min
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Transfer impedance
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Grade Ⅰ
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Transmission frequency (MHZ)(MHZ)
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1
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4
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8
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10
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16
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20
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25
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31.25
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62.5
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100
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Attenuation dB/100m
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2.1
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4.1
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5.8
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6.5
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8.3
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9.3
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10.4
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11.7
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17.0
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22.0
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Return loss dB/100m
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20.0
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23.0
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24.5
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25.0
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25.0
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25.0
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24.3
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23.6
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21.5
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20.1
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NEXT dB/100m
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65.3
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56.3
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51.8
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50.3
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47.2
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45.8
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44.3
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42.9
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38.4
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35.3
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PSNEXT dB/100m
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62.3
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53.3
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48.8
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47.3
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44.2
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42.8
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41.3
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39.9
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35.4
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32.3
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ACR-F dB/100m
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63.8
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51.8
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45.7
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43.8
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39.7
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37.8
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35.8
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33.9
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27.9
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23.8
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PS ACR-F dB/100m
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60.8
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48.8
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42.7
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40.8
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36.7
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34.8
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32.8
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30.9
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24.9
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20.8
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Delay ns/100m
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570
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552
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547
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545
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543
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542
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541
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540
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539
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538
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Skew ns/100m
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≤45
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Environmental properties and fire performances
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Halogen free
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IEC 60754-1&2
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Smoke-density
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IEC 61034-1&2
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Flame retardant
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IEC 60332-3-22 and IEC 60332-1-2
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Oil resistant
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IEC 60092-360
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UV resistant
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UL 1581
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Fire resistant(optional)
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IEC 60331-23
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Mechanical characteristics
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Temperature (operation)
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-40 to + 85 °C
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Temperature (installation)
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-15 to + 50 °C
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Minimum bending radius (operation)
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10 x O.D.
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Minimum bending radius (installation)
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20 x O.D.
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