|
Model |
Item | Service Condition |
|---|---|---|
|
BYROC-1 DA |
Double armoured repeatered 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; ROC - Repeatered Optical Cable; 1 - Series Number; DA - Double Armoured
| 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 |
| 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 | |||||||||||
|
BYROC-1DA |
38.8 |
4.13 |
3.15 |
570 |
440 |
320 |
210 |
1 |
400 |
50 |
≤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.
|
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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