Repeatered Submarine Optical Fibre Cable (BYROC-1 SAL)-YOFC

Stock Code: 601869.SH / 06869.HK

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Submarine Fibre-optic Cable Series

Repeatered Submarine Optical Fibre Cable (BYROC-1 SAL)

The repeatered submarine optical fibre cable communication system includes one or more repeaters, applicable to long haul, high speed, cross-ocean communication system.

Details

Characteristics

Executive standards: GB/T 18480, GJB 4489, IEC 60794, ITU-T G.976
Scope of application: laid in oceans and rivers; used for communication and data transmission between continents, between continents and islands, and between islands and islands, featuring large transmission capacity and long continuous length; applicable to long haul, high speed, cross-ocean communication system, with repeaters up to 16 fibre pairs.
Temperature range: operating temperature: -10°C to +40°C; handling temperature: -15°C to +45°C; storage temperature: -30°C to +60°C
Normal service life: no less than 25 years
Maximum laying depth under water: 8,000 m

Product Model

Model	Item	Service Condition
BYROC-1 SAL	Single armoured lightweight repeatered optical cable	Lightweight optical cable with single armoured protection. The optical cable is applicable to specific areas where a certain tensile performance is required during laying, recovery and operation.

Note: BY - Company Code; ROC - Repeatered Optical Cable; 1 - Series Number; SAL - Single Armoured Lightweight

Product Structure

Main Fibre Types

ITU Code	Chinese Code	Optical Fibre Name	Fibre Characteristics
G.652.D	B1.3	Non-dispersion shifted single-mode optical fibre with extended wavelength	Design and selection according to the specific needs of users
G.654	B1.2	Cut-off shifted single-mode optical fibre
G.655	B4	Non-zero dispersion shifted single-mode optical fibre

Main Parameters

Model	Nominal Outer Diameter mm	Nominal Weight kg/m	Cable Breaking Load CBL KN	Nominal Transient Tensile Strength NTTS KN	Nominal Operating Tensile Strength NOTS KN	Nominal Permanent Tensile Strength NPTS KN	Minimum Bending Radius without Tension m	Impact J	Crush KN/100mm	Conductor Resistance at 4˚C Ω/km	Insulation Resistance GΩ·km
BYROC-1 SAL	29.8	1.69	1.11	210	160	120	80	1	200	35	≤1.5	≥10

Model

Nominal Outer Diameter

Nominal Weight

kg/m

Cable Breaking Load

CBL

Nominal Transient Tensile Strength

NTTS

Nominal Operating Tensile Strength

NOTS

Nominal Permanent Tensile Strength

NPTS

Minimum Bending Radius without Tension

Impact

Crush

KN/100mm

Conductor Resistance at 4˚C

Ω/km

Insulation Resistance

GΩ·km

In the Air

In the Sea

BYROC-1 SAL

29.8

1.69

1.11

210

160

120

200

≤1.5

≥10

Note: 1) The maximum number of fibre cores is 32. Redesign is required in the case of more than 32 cores.

2) The technical parameters of the customized products are subject to the technical specifications of the customized products.

Main Test Items

Test Item	Test Method
Optical performance	Reference: GB/T 15972
Tensile properties, crush, impact, repeated bending, temperature cycling, water penetration, and resistance to hydrostatic pressure	Reference: IEC 60794-1, GB/T 7424.2
Conductor resistance, insulation resistance, and withstand voltage	Reference: GB/T 3048

Test Item

Test Method

Optical performance

Reference: GB/T 15972

Tensile properties, crush, impact, repeated bending, temperature cycling,

water penetration, and resistance to hydrostatic pressure

Reference: IEC 60794-1, GB/T 7424.2

Conductor resistance, insulation resistance, and withstand voltage

Reference: GB/T 3048