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Product

submarine & offshore armoured optical cable IEEE 1580 / UL 1309 S670TOptical (-40 to +90 °C)Halogen-Free Flame-Retardant LSZH Ja

S670T 2–48F IEEE 1580 & UL 1309 Bronze-Braid Armoured LSZH Shipboard Fiber Optic CableIEEE 1580 / UL 1309 S670T — Optical — -40 to +90 °C Subsea & Offshore Cable

S670T 2–48F IEEE 1580 & UL 1309 Bronze-Braid Armoured LSZH Shipboard Fiber Optic Cable featuring central epoxy-glass frp strength rod and halogen-free flame-retardant lszh jacket (IEEE 1580 / UL 1309 S670T, Optical, -40 to +90 °C).

Water-resistant

Flame-retardant

Oil-resistant

Approved

Configuration

Order designation: S670T IEEE 1580 FO 4–12F EOM/Sub
Outer Ø ≈: 8.2 mm
Net weight ≈: 260 kg/km
Tensile rating ≈: 48.0 kN
Core / stranding: Laser-welded SS FIMT + Steel/Aramid Armour

All sizes (3)

Request a quote Datasheet WhatsApp info@tebaoflex.com

Engineering reply in 2 business hoursCut-to-length export drumsEN 10204 3.1 certificate per drum

Rated voltage: Optical
Operating temp.: −40…+90 °C
Min. bend radius: 10 × OD
Core / conductor: Central Epoxy-Gl
Outer protection: Halogen-Free Fla
Standard: IEEE 1580 / UL 1

Typical values for this cable type, based on IEEE 1580 & UL 1309 S670T Bronze-Braid Armoured LSZH Shipboard Optical Specification — confirmed in the datasheet and quotation for your order.

Application fit

Is S670T IEEE 1580 FO right for your machine?

Fixed installation

Suitable

Laser-welded stainless-steel / copper-tube FIMT or water-blocked loose-tube construction protects ITU-T G.652D / G.654E / OM3/OM4 fibres.

Immersion & wet locations

Suitable

Hermetic metallic optical tube, steel vault and high-density PE/PUR serving withstand up to 8,000 m deep-ocean hydrostatic pressure.

Offshore platform & shipboard deck trays

Suitable

Galvanized steel or bronze wire armour and SHF2-MUD / PUR / PE jacket resist seabed abrasion, fishing-gear impact, oil and drilling mud.

Drilling jumbo & rotary mast feed

Suitable

NEK 606 QFCU and IEEE 1580 S670T executions maintain high-speed optical telemetry across hazardous offshore topside zones.

Energy chain / drag chain

Not suitable

Submarine and armoured offshore optical cable is not intended for indoor factory automation drag chains.

Use Deepwater ROV Optical Tether

Typical machinesMarine & Offshore CableSubmarine Telecom & Cabled Ocean ObservatoriesIsland, Coastal & Inter-Platform Subsea Optical LinksOffshore Platform & FPSO Fire-Safe Optical BackbonesTactical Marine & Harsh-Environment Optical Deployment

Construction

Layer by layer

Shown: S670T IEEE 1580 FO (IEEE 1580 & UL 1309 S670T Bronze-Braid Armoured LSZH Shipboard Optical Specification) featuring central epoxy-glass frp strength rod, aramid-reinforced 900 pm sub-units (2—48f) and halogen-free flame-retardant lszh jacket (4-layer construction).

Schematic, not to scale — generated from the layer data

#	Layer	Material & reference
1	Central Epoxy-Glass FRP Strength Rod	Dielectric central anti-buckling strength member
2	Aramid-Reinforced 900 pm Sub-Units (2—48	Tight-buffered optical sub-units with individual LSZH jackets
3	IEEE 1580 Bronze Wire Braid Armour	Corrosion-resistant braided bronze wire armour over LSZH inner jacket
4	Halogen-Free Flame-Retardant LSZH Jacket	Low-smoke zero-halogen shipboard & offshore outer sheath

S670T IEEE 1580 FO — Standard Subsea & Offshore Execution

Built to IEEE 1580 & UL 1309 S670T Bronze-Braid Armoured LSZH Shipboard Optical Specification with central epoxy-glass frp strength rod and halogen-free flame-retardant lszh jacket

S670T IEEE 1580 FO — Custom Continuous Winch / Reel Length

Available in custom continuous subsea winch, tow or seabed lengths with water-blocked terminations

S670T IEEE 1580 FO — Hydrostatic, Tensile & Routine Certified

Supplied with EN 10204 3.1 routine dielectric, optical OTDR / DC resistance & tensile test report

Technical data

Ratings & operating limits

Typical values: Typical values for this cable type, based on IEEE 1580 & UL 1309 S670T Bronze-Braid Armoured LSZH Shipboard Optical Specification. Values for your order are confirmed in the datasheet and quotation.

Electrical

Rated voltage / transmission duty: Optical (IEEE 1580 & UL 1309 S670T Bronze-Braid Armoured LSZH Shipboard Optical Specification)
Core / conductor construction: Central Epoxy-Glass FRP Strength Rod — Dielectric central anti-buckling strength member
Primary dielectric / buffering: Aramid-Reinforced 900 pm Sub-Units (2—48F) — Tight-buffered optical sub-units with individual LSZH jackets

Thermal

Continuous operating temperature: −40…+90 °C (subsea & offshore duty)
Hydrostatic & thermal stability: Verified thermal and hydrostatic stability per IEEE 1580 & UL 1309 S670T Bronze-Braid Armoured LSZH Shipboard Optical Specification
Storage & transport temperature: −40…+80 °C on export wooden/steel winch reel

Mechanical

Outer protection / armouring: Halogen-Free Flame-Retardant LSZH Jacket — Low-smoke zero-halogen shipboard & offshore outer sheath
Minimum bending radius: 10 × OD
Armour, strength member & mechanical duty: IEEE 1580 Bronze Wire Braid Armour — Corrosion-resistant braided bronze wire armour over LSZH inner jacket

Resistance

Seawater, hydrostatic & hydrolysis resistance: Engineered for continuous seawater immersion, pressure cycling and hydrolysis resistance per IEEE 1580 & UL 1309 S670T Bronze-Braid Armoured LSZH Shipboard Optical Specification
Oil, drilling mud & abrasion resistance: Resistant to marine hydraulic oils, salt mist, winch sheave wear and seabed abrasion per IEEE 1580 & UL 1309 S670T Bronze-Braid Armoured LSZH Shipboard Optical Specification
RoHS & REACH compliance: RoHS 2 (2011/65/EU + 2015/863) & REACH SVHC compliant

Reference standards

Governing standard: IEEE 1580 & UL 1309 S670T Bronze-Braid Armoured LSZH Shipboard Optical Specification
Environmental & test standards: IEC 60228 / IEC 60794 / ITU-T G.972 / IEEE 1580 / EN 10204
Quality management & inspection: ISO 9001:2015 & EN 10204 3.1 factory routine inspection

Identification

Model designation: S670T IEEE 1580 FO
Sheath colour & metre marking: Continuous metre-marked black outer finish (Halogen-Free Fla)
Customs tariff (HS): 8544.49 / 8544.60 / 8544.70

Sizes

3 standard S670T IEEE 1580 FO subsea & offshore configurations

Manufactured to IEEE 1580 & UL 1309 S670T Bronze-Braid Armoured LSZH Shipboard Optical Specification for subsea, oceanographic, ROV, seismic and offshore applications.

Dimensions, tensile load & weights
Order designation	Configuration	Core / stranding	Outer Ø ≈ mm	Net weight ≈ kg/km	Breaking / tensile kN ≈	Min. bend R mm
S670T IEEE 1580 FO Construction Schedule (−40…+90 °C)
S670T IEEE 1580 FO 4–12F EOM/Sub	4–12 × ITU-T G.652D / G.654E SM (+ Power)	Laser-welded SS FIMT + Steel/Aramid Armour	8.2	260	48.0	125
S670T IEEE 1580 FO 24–48F EOM/Sub	24–48 × ITU-T G.652D / G.654E SM (+ Power)	Laser-welded SS FIMT + Contra-Helical Steel	17.5	680	120.0	260
S670T IEEE 1580 FO 96–192F Trunk	96–192 × ITU-T G.654E / G.652D Submarine	SS Tube + Steel Vault + Cu Tube + DA Armour	28.0	1,650	300.0	420

Typical values for this cable type; dimensions and weights for your order are confirmed in the quotation.
Custom core cross-sections, pair/fibre counts, armour breaking loads and continuous winch/seabed lengths available per IEEE 1580 & UL 1309 S670T Bronze-Braid Armoured LSZH Shipboard Optical Specification.

Electrical, optical & thermal parameters
Configuration	Max. DC R₂₀ / Atten. Ω/km or dB/km	Rating / Impedance	Operating temp.
4–12 × ITU-T G.652D / G.654E SM (+ Power)	0.35	≤0.35 dB/km @ 1310 nm	−40…+90 °C
24–48 × ITU-T G.652D / G.654E SM (+ Power)	0.21	≤0.21 dB/km @ 1550 nm	−40…+90 °C
96–192 × ITU-T G.654E / G.652D Submarine	0.18	≤0.18 dB/km @ 1550 nm	−40…+90 °C

Every production length undergoes routine conductor DC resistance, high-voltage dielectric or OTDR continuity and dimensional verification.

Quality & approvals

Testing & inspection

Routine tests on every production length, sample and type tests per batch — documented on an EN 10204 3.1 inspection certificate.

ConductorClass 5 stranding
Spark test100 % in-line
Lay-upCores, earth, fillers
SheathingInner, braid / screen, outer
Electrical testsAC voltage, resistance
DimensionsOD, wall thickness
Inspection documents & dispatchDrum & dispatch

Testing & inspection	Test value / reference	Frequency
Routine tests
Conductor resistance, optical OTDR continuity & dimensional verification (IEEE 1580 & UL 1309 S670T Bronze-Braid Armoured LSZH Shipboard Optical Specification)	DC resistance at 20 °C / optical attenuation and outer diameter within IEEE 1580 & UL 1309 S670T Bronze-Braid Armoured LSZH Shipboard Optical Specification tolerances	Every manufactured drum length
High-voltage dielectric & insulation resistance test (IEEE 1580 & UL 1309 S670T Bronze-Braid Armoured LSZH Shipboard Optical Specification)	Zero dielectric breakdown and verified insulation resistance for Optical rating	Every manufactured drum length
Sample tests
Hydrostatic pressure, tensile breaking load & water-blocking qualification (IEEE 1580 & UL 1309 S670T Bronze-Braid Armoured LSZH Shipboard Optical Specification)	Verified subsea pressure integrity, torque-balanced tensile performance and thermal stability across −40…+90 °C	Type qualification & periodic lot audit

Inspection certificate

Issued with every drum, listing the routine test results for that length.

Product approvals

IEEE 1580 / UL 1309 S670T CompliantEN 10204 3.1 Factory Test CertificateCE, RoHS 2 (2011/65/EU) & REACH

Company certificates

ISO 9001ISO 14001ISO 45001VDE marks approvalUL / cULCE · LVD / EMC

Marking & supply

Ordering & delivery

Sheath marking

TEBAOFLEX S670T IEEE 1580 FO IEEE 1580 / UL 1309 S670T Optical CE

Delivery form: Heavy-duty export fumigated wooden drums, steel oceanographic winch reels or submarine turntables
Standard lengths: 500 m, 1,000 m, 3,000 m, 6,000 m or custom continuous subsea lengths
MOQ: 100 m (standard configurations) · 500 m (custom subsea builds)
Lead time: 2–6 weeks ex-works
Incoterms: EXW, FCA, FOB, CIF, DAP

Technical documents

Downloads

PDFS670T 2–48F IEEE 1580 & UL 1309 Bronze-Braid Armoured LSZH Shipboard F – technical datasheet3 sizes · construction, technical data, approvals XLSXS670T IEEE 1580 FO spec data (Excel)All 3 sizes with dimensions and data, for your BOM or quotation

Revision: 2026-10-26
Updated: 2026-10-26

FAQ

Questions engineers ask first

Not covered here? Send your drawing — an engineer replies within 2 business hours.

What governing standard and construction define S670T IEEE 1580 FO (S670T 2–48F IEEE 1580 & UL 1309 Bronze-Braid Armoured LSZH Shipboard Fiber Optic Cable)?

S670T IEEE 1580 FO (S670T 2–48F IEEE 1580 & UL 1309 Bronze-Braid Armoured LSZH Shipboard Fiber Optic Cable) is manufactured in accordance with IEEE 1580 & UL 1309 S670T Bronze-Braid Armoured LSZH Shipboard Optical Specification for Optical service over -40 to +90 °C. Its 4-layer construction comprises central epoxy-glass frp strength rod, aramid-reinforced 900 pm sub-units (2—48f) and halogen-free flame-retardant lszh jacket.

What is the minimum bending radius and operating temperature range for S670T IEEE 1580 FO?

The minimum bending radius for S670T IEEE 1580 FO is 10 × OD across its continuous operating temperature range of -40 to +90 °C, ensuring mechanical, hydrostatic and dielectric reliability in subsea and offshore service.

How are the concentric layers of S670T IEEE 1580 FO arranged from inside to outside?

From inside to outside, the construction sequence is: (01) Central Epoxy-Glass FRP Strength Rod — Dielectric central anti-buckling strength member; (02) Aramid-Reinforced 900 pm Sub-Units (2—48F) — Tight-buffered optical sub-units with individual LSZH jackets; (03) IEEE 1580 Bronze Wire Braid Armour — Corrosion-resistant braided bronze wire armour over LSZH inner jacket; (04) Halogen-Free Flame-Retardant LSZH Jacket — Low-smoke zero-halogen shipboard & offshore outer sheath.

What factory test certificates are supplied with S670T IEEE 1580 FO?

Every production drum of S670T IEEE 1580 FO undergoes routine conductor resistance/OTDR continuity, high-voltage dielectric and dimensional testing per IEEE 1580 & UL 1309 S670T Bronze-Braid Armoured LSZH Shipboard Optical Specification, and is delivered with an EN 10204 3.1 factory test certificate.

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03Message for our engineers

S670T IEEE 1580 FO S670T 2–48F IEEE 1580 & UL 1309 Bronze-Braid Armoured LSZH Shipboard Fiber Optic Cable

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