CPRI Armored Cable
Video
Application
The CPRl optical cable is used to transmit CPRl signals between the BBU and RRU or betweenRRUs.
Structure
The CPRl optical cable is a multi-mode 2-wire cable with a DLC connector at each end. Figure l shows the CPRl optical cable.
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(1) DLC connector |
(2) Fiber tail |
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(2) Label on the fiber tail |
When the CPRl optical cable is used for connection between the BBU and RRU, the fiber tails at theBBU side and RRU side are 0.35 m and 0.05 m respectively.When the CPRl optical cable is used forconnection between RRUs, the fiber tails at both RRU sides are 0.05m.
Pin Assignment
Table 1 and Table 2 describes the pin assignment for the fiber tails of the CPRl optical cable betweenthe BBU and RRU and the CPRl optical cable between RRUs respectively.
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Table 1 Pin assignment for the fiber tails of the CPRl optical cable between the BBU and RRU |
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Label |
Color |
Connection |
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1A |
Orange |
CPRIO RX port on the RRU |
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1B |
Gray |
CPRIO TX port on the RRU |
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2A |
Orange |
TX port on the BBU |
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2B |
Gray |
RX port on the BBU |
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Table 2 Pin assiginment for the fiber tails of the CPRI optical cable between RRUS |
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1A |
Orange |
CPRIO RX port on the RRU 1 |
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1B |
Gray |
CPRIO TX port on the RRU 1 |
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2A |
Orange |
CPRIO TX port on the RRU 0 |
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2B |
Gray |
CPRIO TX port on the RRU 0 |
Structure
The CPRI optical cable is a multi-mode 2-wire cable with a DLC connectors at each end.Fioure l showsthe CPRl optical cable.
Profile View：
Fiber Parameters
|
No |
Items |
unit |
Specification |
|
|
1 |
Core Diameter |
µm |
50±2.5 |
|
|
2 |
Cladding Diameter |
µm |
125±1.0 |
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|
3 |
Core non-circularity |
% |
≤6.0 |
|
|
4 |
Cladding non-circularity |
% |
≤2.0 |
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|
5 |
Core-cladding concentricity |
µm |
≤1.0 |
|
|
6 |
Coating Diameter |
µm |
245±10 |
|
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7 |
Cladding -coating concentricity |
µm |
≤12.5 |
|
|
8 |
Attenuation (max.) |
850nm |
dB/km |
3.5 |
|
1300nm |
dB/km |
1.5 |
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Cable Parameters
|
Items |
Specifications |
|
|
Fiber Count |
2 |
|
|
Buffer |
Diameter |
850µm±50µm |
|
Material |
LSZH |
|
|
Simplex cable |
Diameter |
2.0mm±0.1mm |
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Material |
LSZH |
|
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Color |
Orange，Gray |
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Filler |
Diameter |
2.0mm±0.1mm |
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Material |
LSZH |
|
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Color |
Black |
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Strength Member |
Kevlar |
|
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Jacket |
Diameter |
7.0﹢0 -0.2 mm |
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Material |
LSZH |
|
|
Color |
Black |
Mechanical and Environmental Characteristics
|
Items |
Unite |
Specifications |
|
Tension（Long Term） |
N |
200 |
|
Tension（Short Term） |
N |
400 |
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Crush（Long Term） |
N/10cm |
1000 |
|
Crush（Short Term） |
N/10cm |
2000 |
|
Min. Bend Radius（Dynamic） |
mm |
20D |
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Min. Bend Radius（Static） |
mm |
10D |
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Installation temperature |
℃ |
-20～+70 |
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Operation temperature |
℃ |
-40～+70 |
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Storage temperature |
℃ |
-40～+70 |
Picture
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