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Ribbon Armored Optical Cable GYFDTS 12 core to 864 core

GYFDTS Optical Fiber Cable 
Ribbon, Gel-Filled,
Single-Jacket,
Single-Armored


      1.1  This specification covers the requirements for the supply of single-mode optical fiber cables.
 
      1.2  The single mode optical fiber cable comply with the requirements of this specification and generally meet any latest relevant ITU-T Recommendation G.652. 


2. Fiber characteristics
2.1 G.652
2.1.1 Geometric characteristics

Item Construction
Mode field diameter At 1310nm 9.2±0.4μm
Cladding diameter 125±1μm
Core concentricity error ≤0.6μm
Cladding non-circularity ≤1.0%
Cut-off wavelength (λcc) (for cable) ≤1260nm
Cut-off wavelength (λc) (for fiber) 1180nm~1330nm
Primary coating diameter (Not included color layer) 245±10μm
(Included color layer) 250±15μm
Coating-cladding concentricity error ≤12.5μm
Fiber curl radius ≥4m
 
2.1.2 Transmission characteristics

Item Performance
Attenuation At 1310nm ≤0.4dB/km
At 1550nm ≤0.3dB/km
Macro bending loss Φ=60mm, 100turns at 1550nm ≤0.1dB
Chromatic dispersion Within 1288~1339nm ≤3.5ps/nm·km
At 1550nm ≤18ps/nm·km
Zero dispersion wavelength 1300~1324nm
Zero dispersion slope ≤0.092ps/nm2·km

3 Optical Fiber Cable
3.1 Cross section

3.2 Dimension of the cable
Amount of fiber Product
Type
Ribbons per Tube Fibers per Ribbon Number of
Tube Posi
tions
Number
of Active
Tubes
Diameter (Appr.) Weight (Appr.)
mm Kg/km
12-48 Armored 1-4 12 5 1 20.1 343
60-72 Armored 5-6 12 5 1 20.1 343
84-96 Armored 3-4 12 5 2 20.1 343
108-144 Armored 3-6 12 5 2 20.1 343
192-216 Armored 4-6 12 5 3 20.1 343
288 Armored 6 12 5 4 20.1 343
432 Armored 6 12 6 6 21.5 378
864 Armored 12 12 6 6 27.6 659
 
3.3 Performance

NO ITEM TEST METHOD SPECIFICATION
1 Tensile performance
IEC60794-1-21-E1
-Short-term load: 2700N
      
- Time: 5 minute
Loss change £ 0.10 [email protected] nm
 (after test)
- Fiber strain £ 0.60 %
- No sheath damage
-Long-term load: 890N
      
- Time: 5 minute
- Loss change £ 0.10 [email protected] nm
(during test)
- Fiber strain £ 0.20 %
- No sheath damage
2 Crush test
IEC60794-1-21-E3
- Load: 2200 N /100mm
- Time: 5 minute
- Length: 100 mm
Loss change £ 0.10 [email protected] nm
(during test)
- No sheath damage
3 Impact test
IEC60794-1-21-E4
- Impact hight:1m
- Impact weight:1kg
- Points of impact: 3
- Times of per point: 2
Loss change £ 0.10 [email protected] nm
(during test)
- No sheath damage
4 Repeated bending
IEC60794-1-21-E6
- Bending radius.: 20 × D
- Load: 250N
- Flexing rate: 2sec/cycle
- No. of cycle: 25
- No fiber break
- No sheath damage
5 Water penetration
IEC60794-1-22-F5
- Height of water: 1m
- Sample length: 3 m
- Time: 24 hr
- No drip through the cable core assembly
6 Twist
IEC60794-1-21-E7
- Length: 1 m
- Load: 250N
- Twist rate: ≤60sec/cycle
- Twist angle: ±180°
- No. of cycle: 5
Loss change £ 0.10 [email protected] nm
(during test)
- No sheath damage
7 Temperature
Cycling
IEC60794-1-22-F1
- Temperature step:
+20oC→-40oC→+70oC→+20oC
- Number of cycle: 2 turns
- Time per each step: 12 hrs
- Loss change £ 0.15dB/[email protected] nm
 (during test)
- Loss change £ 0.05dB/[email protected] nm
 (after test)
- No sheath damage
D*: Cable diameter
 
3.4 Color Coding of Loose Tubes and Fibers
Fiber color code



Color codes for Loose Tube


4. Sheath marking



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