Stock Code: 601869.SH / 06869.HK

Unrepeatered Submarine Optical Fibre Cable (BYUOC-1 DA)

The unrepeatered submarine optical fibre cable communication system is not configured with repeaters and may use passive amplifiers, applicable to offshore medium- and short-distance communication systems.
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 and islands, between islands and islands, and between offshore operating equipment, featuring large transmission capacity and low loss; applicable to offshore medium- and short-distance communication systems, with a single span of more than 500 km at 100 Gb/s.
  • 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

BYUOC-1 DA

Double armoured unrepeatered optical cable

A cable with double armoured protection. This cable is applicable to laying, burial, recovery and operation, and is suitably protected for specific areas in shallow water.

Note: BY - Company Code; UOC - Unrepeatered Optical Cable; 1 - Series Number; DA - Double Armoured

 

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
In the Air In the Sea

BYUOC-1 DA

34.2

3.34

2.60

470

360

270

180

1

300

40

≤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

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