Named

No.

Diameter

Structure Details

Center

Aluminum Tube

1

7.40 mm

PBT-Tube

1

4.50 mm

Layer 1

27%AS wire

10

3.17 mm

According to IEEE std 1138、IEC 60794-4 standards

Stranding direction of outer layer is "Left-hand"

Fiber No. & Type

24

G.652D

Technical

Standard Diameter

13.74

mm

Data

Supporting Cross Section

104.58

mm²

Section of AS wire

78.92

mm²

Section of Optical unit

25.66

mm²

Approximate mass

561.8

kg/km

Rated Tensile Strength

70.0

kN

267.7

N/mm²

iviaximum Allowable iension(40 %ri s)

28.0

kN

Everyday Stress(20%RTS)

133.9

N/mm²

Strain Margin Stress(60%RTS)

401.6

N/mm²

Modulus of Elasticity

119.4

GPa

Thermal Elongation Coefficient

14.6

x10^-6/℃

Calculated D.C. Resistance at 20℃

0.49

Ω/km

Short-Circuit Current   (0.3 sec, 35~210°C)

17

kA

Short-Circuit Current Capacity (35 ~ 210℃)

87

kA².s

Minimum Bending Radius

275

mm

Ratio between Pull and Weight

12.71

km

Useful life of OPGW

20

years

Temperature

Installation

-10℃~+50

℃

Range:

Transportation and Operation

-40℃~+80

℃

Item

G.652D

Max. attenuation* (Completed OPGW)

(1310nm)

≤0.35dB/km

(1550nm)

≤0.25dB/km

Mode field diameter

(1310nm)

9.2±0.4μm

(1550nm)

10.4±0.5μm

Cable cut-off wavelength

≤1260nm

Cladding diameter

125±1μm

Core-Cladding concentricity Error

≤0.6μm

Cladding non-circularity

≤1%

Coating diameter

242±7μm

Cladding-Coating concentricity error

≤12μm

Polarization Mode Dispersion ( PMD )

≤0.2 ps/(km)^0.5

Zero dispersion wavelength

1300~1324nm

Zero dispersion slope

≤0.092ps/nm2km

Dispersion @1288nm~1339nm

≤3.5ps/(nm.km)

Dispersion @1271nm~1360nm

≤5.3ps/(nm.km)

Dispersion @1550nm

≤18ps/(nm.km)

Proof Test Level

>0.69GPa

Fiber No.

1

2

3

4

5

6

Colour

Blue

Orange

Green

Brown

Gray

White

Fiber No.

7

8

9

10

11

12

Colour

Red

Clear

Yellow

Violet

Pink

Aqua

Fiber No.

13

14

15

16

17

18

Colour

Blue*1

Orange*1

Green*1

Brown*1

Gray*1

White*1

Fiber No.

19

20

21

22

23

24

Colour

Red*1

Clear*1

Yellow*1

Violet*1

Pink*1

Aqua*1