China Nwf Slotted Ribbon Flame Retardant of Cable Gydga53

1. General
1.1 This specification covers the requirements for the supply of single stranding slotted core type optical fiber ribbon 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.652D.

2. Fiber characteristics
2.1 G.652D
2.1.1 Geometric characteristics

ItemConstructionCore materialDoped silicaCladding materialSilicaMode field diameterAt 1310nm9.2±0.4μmCladding diameter125±1μmCore concentricity error≤0.6μmCladding non-circularity≤1.0%Cut-off wavelength (λcc) (for cable)≤1260nmCut-off wavelength (λc) (for fiber)1100nm~1280nmPrimary coating materialUV curable acrylatePrimary coating diameter of first layer200±15μmPrimary coating diameter250±15μmCoating-cladding concentricity error≤12.0μmFiber curl radius≥4mProof stress level≥0.5%Breaking Load≥4.5 kgfSize of ribbon coating1.1mm*0.3mm(4-ribbon)2.1mm*0.3mm(8-ribbon)Refractive indexAt 1310nm1.466At 1550nm1.467

2.1.2 Transmission characteristics

ItemPerformanceAttenuationAt 1310nm (Cabled)≤0.40dB/kmAt 1310nm (Uncabled)≤0.34dB/kmAt 1550nm (Cabled)≤0.25dB/kmAt 1550nm (Uncabled)≤0.20dB/kmAt 1383nm (Cabled)≤0.36dB/kmAt 1383nm (Uncabled)≤0.34dB/kmMacro bending lossΦ=30mm, 100turns at 1550nm≤0.1dBPMDMaximum Individual Fiber≤0.2 ps/√kmlink design value≤0.08 ps/√kmChromatic dispersionWithin 1288~1339nm≤3.5ps/nm·kmWithin 1339~1360nm≤5.3ps/nm·kmWithin 1271~1288nm≤5.3ps/nm·kmAt 1550nm≤18ps/nm·kmZero dispersion wavelength1300~1324nmZero dispersion slope≤0.092ps/nm2·km

3 Optical Fiber Cable
3.1 Cross section








300C

Tracer

Ribbon-Fiber Array

Slotted Core

Central Strength Member
Aluminium tape
Inner sheath
Water Swellable Tape
Corrugated steel tape
Blue strips
Rip Cord
HDPE

600C

3.2 Dimension of the cable
***: The minimum thickness of the sheath shall be 2.0mm.




3.3 Coding
Ribbon identification

Fiber CountSlot No.Ribbon No.Fiber No.No.1No.2No.3No.43001-151BlueWhiteWhitePink2YellowWhiteWhitePink3GreenWhiteWhitePink4RedWhiteWhitePink5PurpleWhiteWhitePink

Fiber CountSlot No.Ribbon No.Fiber No.No.1No.2No.3No.4No.5No.6No.7No.86001-81BlueWhitePinkWhiteWhiteBlueWhitePink2YellowWhitePinkWhiteWhiteYellowWhitePink3GreenWhitePinkWhiteWhiteGreenWhitePink4RedWhitePinkWhiteWhiteRedWhitePink5PurpleWhitePinkWhiteWhitePurpleWhitePink6BrownWhitePinkWhiteWhiteBrownWhitePink7BlackWhitePinkWhiteWhiteBlackWhitePink8AquaWhitePinkWhiteWhiteAquaWhitePink9OrangeWhitePinkWhiteWhiteOrangeWhitePink10GreyWhitePinkWhiteWhiteGreyWhitePink

3.4 Performance
D*: Cable diameter






3.5 Minimum bend radius


4. Sheath marking

InstallationOperationGYDGA5320D10D