Fiber Optic drop CABLE

  • Indoor Drop Cable GJXH-1B6
  • Indoor Drop Cable GJXH-1B6
Indoor Drop Cable GJXH-1B6 Indoor Drop Cable GJXH-1B6

Indoor Drop Cable GJXH-1B6

1. Cable Specification

1.1 Introduction

The optical fiber unit is positioned in the center. Two parallel steel wire are placed at two sides.

Then the cable is completed with black or color LSZH sheath.

1.2 Fiber color code

Fiber color starts from No. 1 Blue.

1.3 Optical fiber type and properties

Item

Unit

Specification

G. 657A

Mode field diameter

1310nm

mm

8.6 ± 0.4

Cladding diameter

mm

125.0 ± 0.7

Cladding non-circularity

%

£1.0

Core concentricity error

mm

£0.5

Coating diameter

mm

245 ± 5

Coating/cladding concentricity error

mm

£12

Cable cut-off wavelength

nm

£ 1260

Attenuation Coefficient

1310nm

dB/km

£0.35

1550nm

dB/km

£0.21

Macro-bend loss (1 turn,7.5mm radius)

1550nm

dB/km

£0.5

1625nm

dB/km

£1.0

Proof stress level

kpsi

≥100

Other parameters meet standard ITU-T G.657

1.4 Cable structure and parameter

Item

Parameters

No. of fibers

count

1

Strength member

Diameter

0.45 mm

Material

Steel wire

Outer jacket

Diameter

3.0(±0.1)*2.0(±0.1) mm

Material

LSZH

Color

Black

Tensile performance

Short term

200 N

Long term

100 N

Crush

Short term

2200 N/100mm

Long term

1100 N/100mm

Cable attenuation

≦ 0.4dB/km at 1310nm, ≦ 0.3 dB/km at 1550nm

Cable weight (Approx.)

10.0 kg/km

2. Characteristic of Optical Cable

2.1 Min. bending radius for installation

Static: 15

Dynamic: 30

2.2 Application temperature range

Operation: - 20 ~ +70

Installation: -20 ~ +70

Storage/transportation: - 20 ~ +70

2.3 Main mechanical & environmental performance test

Item

Test Method

Acceptance Condition

Tensile Strength

IEC 60794-1-2-E1

- Load: Short term tension

- Length of cable: 50m

- Load time: 1min

- Fiber strain  0.4%

- No fiber breakage and no sheath damage.

Crush Test

IEC 60794-1-2-E3

- Load: Short term crush

- Load time: 1min

- No fiber breakage and no sheath damage.

Impact Test

IEC 60794-1-2-E4

- Points of impact: 3

- Times of per point: 1

- Impact energy: 1J

- No fiber breakage and no sheath damage.

Repeated Bending

IEC 60794-1-2-E6

- Bending radius: 30x H

- No. of cycle: 300

- Load: 20N

- Fiber additional attenuation should be no more than 0.4dB;

- There shall be no damage to the cable elements under visual inspection.

Torsion

IEC 60794-1-2-E7

- Length: 1m

- Twist angle: ±18

- No. of cycle: 20

- No fiber breakage and no sheath damage.

Temperature Cycling

IEC 60794-1-2-F1

-Temperature:

-20oC~+70oC

- Time of each step: 8h

- Number of cycle: 2

- Fiber additional attenuation should be ≤ 0.4dB/km;

- There shall be no damage to the cable elements under visual inspection.