01 · Optical FibreBrand: Scientific

Optical Fibre Cable

Single-tube and multitube loose-tube cable for duct, pipeline and direct routes. G.652D as standard, G.657A1/A2 on request. Built to IEC 60794 and ITU-T.

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Fibre and tube colour code · TIA-598

1 Blue

2 Orange

3 Green

4 Brown

5 Slate

6 White

7 Red

8 Black

9 Yellow

10 Violet

11 Rose

12 Aqua

Features

Indoor and outdoor use in duct and pipeline routes
Fully water-blocked core
Light and compact construction
TIA-598 colour-coded fibres and tubes
Sheath printing to customer requirement

Single-tube unarmoured · 2F to 12F

Fibre count: 2F, 4F, 6F, 12F
Fibre type: G.652D · G.657A1/A2 on request
Construction: Single loose tube
Strength member: Glass yarn (with or without)
Jacket: LSZH or HDPE
Cable Ø / weight: 5.5–6.5 mm · ~40 kg/km
Tensile short / long: 1200 / 500 N
Crush short / long: 1000 / 300 N/100 mm
Min bend radius: 20D dynamic · 10D static
Operating / storage: -20 to +60 °C · -40 to +60 °C
Standards: IEC 60794, ITU-T

Multitube armoured single sheath · 2F to 12F

Fibre type: G.652D
Tubes: 3 PBT jelly-filled, Ø 2.0 ±0.2 mm + 3 black fillers
Central member: FRP Ø 2.0 ±0.1 mm
Core wrap: Polyester tape and binder yarn
Peripheral: IGFR
Armour: Corrugated ECCS 0.155 ±0.005 mm
Rip cords: 2
Sheath: HDPE UV-black, 1.6 mm nominal
Cable Ø / weight: ~9.5 mm · ~85 kg/km
Tensile short / long: 1500 / 600 N
Crush short / long: 1000 / 300 N/100 mm

Multitube armoured · up to 288F

Fibre type: G.652D / G.657A1 / G.657A2
Tubes: 24 (9 inner + 15 outer) × 12 fibres
Tube: PBT jelly-filled Ø 1.9 ±0.1 mm
Central member: FRP Ø 3.0 ±0.1, upsheathed to Ø 4.0 ±0.1
Water blocking: Water-swellable tape and yarns
Armour: Corrugated ECCS 0.155 ±0.005 mm
Rip cords: 2, below sheath
Sheath: HDPE UV-black 1.6 mm
Cable Ø / weight: ~16.5 mm · ~245 kg/km
Tensile short / long: 1500 / 600 N
Crush short / long: 1000 / 300 N/100 mm
Lower counts: From 2F on request

Multitube unarmoured · up to 48F

Tubes: 6 × 8 fibres, PBT Ø 2.1 ±0.2 mm
Central member: FRP Ø 2.2 ±0.1
Peripheral: IGFR glass-yarn reinforced, no armour
Rip cords: 2
Sheath: HDPE UV-black 1.6 mm
Cable Ø / weight: 10.5 ±0.5 mm · 110 ±10 kg/km
Max tensile: ~2,700 N (9.81 × 2.5 × W)
Crush: 3000 N / 10 cm

G.652D fibre characteristics · ITU-T G.652.D

Parameter	Fibre	Cabled
Attenuation 1310 nm	≤0.335	≤0.34 dB/km
Attenuation 1550 nm	≤0.19	≤0.20 dB/km
Attenuation 1625 nm	≤0.215	≤0.220 dB/km
Water peak 1383 nm	≤0.32	≤0.34 dB/km
Dispersion 1285–1330 nm	≤3.5	ps/nm·km
Dispersion 1270–1340 nm	≤5.3	ps/nm·km
Dispersion 1550 nm	≤18.0	ps/nm·km
Dispersion 1625 nm	≤22.0	ps/nm·km
PMD individual / link	≤0.2	≤0.20 ps/√km
Zero-dispersion λ	1300–1324	nm
Zero-dispersion slope	≤0.092	ps/nm²·km
Cut-off fibre / cable	≤1320	≤1260 nm
Mode field Ø @1310	9.2 ±0.4	µm
Mode field Ø @1550	10.4 ±0.5	µm
Cladding Ø	125 ±0.7	µm
Cladding non-circularity	≤1	%
Core-clad concentricity	≤0.5	µm
Coating Ø	245 ±10	µm
Proof test	1	%
Strip force	1.3–8.9	N
Fibre curl	≥4	m radius
Impact	50 N, 0.5 m
Torsion	±180°
Water penetration	3 m sample	24 h