ADSS -EKE (4-72 cores) 200

SPECIFICATION For Single Mode of All Dielectric Self Supporting

Optical Fiber Cable (ADSS -EKE) 4-72 cores  [Span length: 200 m]

1.CABLE CONSTRUCTION
1.1 Cross-sectional Drawing of Cable

 1.2  Diameter, Composition and Weight

Table 1 

No. of Fiber

Nominal

Cable Diameter

(mm)

Approx. Cable Weight

(kg/km)

Minimum Bending Radius (mm)

Under Load

No Load

4-36

13.15

132.6-138.4

265

120

48 -72

14.1

146.8 -151

282

141

 

2.  PHYSICAL / MECHANICAL / ENVIRONMENTAL PERFORMANCE AND TESTS

2.1     Mechanical and Environmental Performance of the Cable

The mechanical and environmental performance of the cable shall be in accordance with Table 2 below. Unless otherwise specified, all attenuation measurements required in this section shall be performed at 1550nm for single mode fiber

 

    Table 2. The Mechanical and Environmental Performance of the Cable

ITEMS

TEST METHOD AND

ACCEPTANCE CRITERIA

Tensile Strength

# Test method: IEC 60794-1-2 Method E1

- Mandrel diameter: 20D (D = cable diameter)

- Length under tension: ³ 50 m

- Max tensile load shall be 207 - 226kg.

# Acceptance Criteria

- Attenuation increment: £ 0.1 dB

- No jacket cracking and fiber breakage

- Graph of elongation(cable and fiber) to the applied

load shall be submitted.

Compression Test

# Test method: IEC 60794-1-2 Method E3

- Applied load: 1100 N/50 mm

- No of points: 1 point

# Acceptance Criteria after completion of the test

- Attenuation Increment: £ 0.1 dB

- No jacket cracking and fiber breakage

Impact resistance

# Test method: IEC 60794-1 Method E4

- Height of impact: 1 m

- Drop hammer mass: 2 kg

- Radius impact surface: 300 mm

- No. of impact per point: 1 time

- No. of impact points: 3 points (500mm interval)

# Acceptance Criteria after completion of the test

- Attenuation Increment : £ 0.1 dB

- No jacket cracking and fiber breakage

Repeated Bending

# Test method: IEC 60794-1-2 Method E6

 - Sheave diameter: 15D (D = cable diameter)

 - Flexing speed: Minimum 12 cycles/minute

 - Applied mass: 3kg

 - No. of flexing cycles: 50 cycles

# Acceptance Criteria after completion of the test

 - Attenuation Increment: £ 0.1 dB

 - No jacket cracking and fiber breakage

Twisted Test

# Test method: IEC 60794-1-2-E7

- Cable length twisted: 2m

- No. of twist cycles: 10 cycles

- Twist angle: ± 180°

# Acceptance Criteria after the completion of the test

- Attenuation Increment: £ 0.10 dB

 - No jacket cracking and fiber breakage

Temperature Cycling

# Test method: IEC 60794-1-2 Method F1

- Cable length: at least 500m

- At least 6 fibers shall be spliced and tested.

- Temperature cycling schedule

  : 23°C ® -30°C ® 70°C ® -30°C ® 70°C

- Soak time at each temperature: 24 hours

# Acceptance Criteria

- Attenuation increment: £ 0.1 dB/km

Compound Flow (Drip)

# Test method: IEC 60794-1- Method E14

-.Length of specimen: 0.3m

* Outer jacket and corrugated steel tape shall be removed before testing.

- Test time: 24 hours

- Test temperature: 60°C

# Acceptance Criteria

- No compound driped from LT

- No fibers moved

Water Penetration

# Test method: IEC 60794-1-2 Method F5

- Length of specimen: 3m

* Outer jacket and corrugated steel tape shall be removed before testing.

-.Height of pressure head: 1m

-.Test time: 24 hours

# Acceptance Criteria

- No leakage through the open cable end

 2.2  Physical Performance of the Cable

    Table 3- Physical Performance of the Cable

ITEMS

SPECIFICATION

Skin Type

HDPE

Max. span

≤ 200m

Max. loading capacity (installation)

≤ 15kN

Max. loading capacity (working)

≤ 6.5kN

Compression resitance

2000N/10cm

Max. loading capacity ( cable Destroy)

20kN

Temprature Elongation

< 8.2 x 106/0C

Temperature range

-50C - 700C

Hummidity range

1 - 100%

Max. Electric intensity

35 kv

Max. Bend radius before installation

≥ 20  instalments diameter

Min. Bend radius after installation

≥ 10  instalments diameter

Max.Sag down (Max. span 200m)

> 1.5%

Max. wind pressure

90daN/m2