Loose tube (filled with fiber paste)

Outer diameter 1.90 mm

Number of loose tubes

Root 4

Number of fiber cores per tube

Core 4

Inner casing

Thickness 0.9 mm

Mechanical reinforcement layer aramid

Area 32 mm²

outer sheath

Thickness 1.80 mm

fiber optic parameters

Fiber optic model

Model G652D

Model field diameter

Diameter 8.6-9.5 ± 0.7 μ m

Coating diameter

Diameter 125.0 ± 1 μ m

Concentricity error

Maximum 0.8 μ m

Non roundness of the cladding

Max 2.0%

Cut off wavelength of optical cable

Maximum 1260 μ m

attenuation coefficient

1310nm maximum 0.36 dB/km

1550nm maximum 0.22 dB/km

Performance technical parameters

cable diameter

14.5 mm

Optical cable cross-sectional area

158 mm²

cable weight

178 kg/km

Rated tensile strength (RTS)

60.4 kn

Maximum allowable tension MAT

24.2 kn

Annual average operating tension (EDS)

15.1 kn

Yang's measurement

26.6 kn/mm²

coefficient of thermal expansion

0.26 10^-6/℃

compressive strength

Long term 1100 n/100mm

Short term 2200 n/100mm

Minimum bending radius

Running 220 mm

Laying 390mm

Applicable temperature range

Laying -15 ∽+60 ℃

Transportation and operation -40 ∽+70 ℃

Fiber surplus length

0.5∽0.7%

Outer sheath type

AT-PE sheath material

Anti electric corrosion measures

The outer sheath of the optical cable is made of Nordic Chemical's anti tracking sheath material 6081, which has good resistance to electrical corrosion

Note: Ice cover of 10MM, maximum wind speed of 30 meters per second

Fiber bundle tube color and fiber color

Red filling rope

/

Loose casing 1

blue

orange

green

true colors

brown

grey

Loose casing 2

blue

orange

green

true colors

brown

grey

Loose casing 3

blue

orange

green

true colors

brown

grey

Loose casing 4

blue

orange

green

true colors

brown

grey

Green filling rope

/