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Fiber Optic Cable

铠装 PE/LSZH单层护套

7-1.jpg

Fiber Optic Cable

铠装 PE/LSZH单层护套

  • 7-1.jpg
描述
· 光缆
· 中心松套管/铠装/PE或LSZH单层护套
· 彩色编码光纤,填充式中心松套管,水膨胀带,波纹钢带铠装、强度构件和外护套
线缆结构
 
ITEMS DESCRIPTION
Number of Fibers Max. 24
Loose Buffer Tube PBT (Polybutylene Terephthalate)
Filling Compound
in Loose Buffer Tube
Thixotropic Jelly Compound
Water Blocking Material Water Swellable Tape (over Loose tube)
Armor Material Corrugated Steel Tape with Plastic Coating
Thickness Nom. 0.15mm (Steel Tape)
Nom. 0.05mm (Plastic Coating on both sides
Sheath Strength Member Two Steel Wires
Outer Jacket Material Black PE or Black LSZH  
Thickness Nom. 2.1 mm

 
电气性能
ITEMS TEST METHOD AND
ACCEPTANCE CRITERIA
Tensile Loading
And Bending Test
# Test method: TIA/EIA-455-33A
  -. Mandrel diameter: 30D (D = cable diameter)
  -. Installation tensile load: 1,600N for 1 hour
  -. Residual tensile load: 800N for 10 minutes
# Acceptance Criteria
  -. Fiber strain: ≤ 0.6 for installation tensile load
  -. Attenuation increment: ≤ 0.10 dB/km (SMF)
                                    ≤ 0.20 dB/km (MMF)
                                    for residual tensile load
Compressive Loading
Resistance Test
# Test method: TIA/EIA-455-41A
  -. Short term load: 3000 N/10cm for 1 minute
  -. Long term load: 1100 N/10cm for 10 minutes
# Acceptance Criteria
  -. Attenuation increment: ≤ 0.10 dB/km (SMF)
                                    ≤ 0.20 dB/km (MMF)
                                    after completion of the test
  -. No jacket cracking and fiber breakage
Repeated Impact Test # Test method: TIA/EIA-455-25C
  -. Height of impact: 150mm
  -. Impacting mass: 3kg
  -. No. of impact cycles: 2 cycles at 3 different points
# Acceptance Criteria
  -. Attenuation increment: ≤ 0.10 dB/km (SMF)
                                    ≤ 0.20 dB/km (MMF)
                                    after completion of the test
  -. No jacket cracking and fiber breakage
 
Cyclic Flexing Test # Test method: TIA/EIA-455-104A
  -. Sheave diameter: 20D (D = cable diameter)
  -. No. of flexing cycles: 25 cycles
  -. Flexing speed: 30 cycles/minute
# Acceptance Criteria
  -. Attenuation increment: ≤ 0.10 dB/km (SMF)
                                    ≤ 0.20 dB/km (MMF)
                                    after completion of the test
  -. No jacket cracking and fiber breakage
Cable Twist Test # Test method: TIA/EIA-455-85A
  -. Cable length twisted: 2m
  -. No. of twist cycles: 10 cycles
  -. Twist angle: ±180°
# Acceptance Criteria
  -. Attenuation increment: ≤ 0.10 dB/km (SMF)
                                    ≤ 0.20 dB/km (MMF)
                                    after completion of the test
  -. No jacket cracking and fiber breakage
Temperature Cycling Test # Test method: TIA/EIA-455-3A
  -. Temperature cycling schedule
    : 23°C → -20°C → 70°C → -20°C → 70°C → 23°C
  -. Soak time at each temperature: 8hours
# Acceptance Criteria
  -. Attenuation increment: ≤ 0.15 dB/km (SMF)
                                    ≤ 0.30 dB/km (MMF)
Water Penetration Test # Test method: TIA/EIA-455-82B
  -. Length of specimen: 3m
  -. Height of pressure head: 1m
  -. Test time: 24 hours
# Acceptance Criteria
  -. No leakage through the open cable end
Flammability Test
(LSZH Jacket Cable only)
# Test method and Acceptance Criteria
   The cable shall comply with IEC 332-1.

 
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