 |
||||
 |
Fiber Optic Cables |  |
||
|
||||
 |
|
|
|
|
Fiber Optic Cables
Multi Ribbon Fiber Cable
Application
This cable can provide excellent transmission performance and protection of fibers in a variety of field environments. It is usually used in long haul communication system, subscriber network system, distribution, feeder network system and local area network system.
Description
The cable consists of 12 to 648 fi bers containing tubes or fi llers stranded in up to 3 layers around a central strength member and bound under a PE jacket. Each tube contains 4 -12 ribbon fi bers. Solid or stranded steel wire coated with polyethylene is usually used as central strength member. Fiber glass reinforced plastics (FRP) will be used as central strength member if non metallic construction is required. Either aramid yarn or fi ber glass is wound around the tube to provide physical protection and tensile strength. The cable can be jacketed with either PE, PVC or LSZH though PE is the preferred option for water protection purpose. For direct burial, steel wire armour or corrugated steel tape armour is applied with an optional inner jacket of either PVC or PE. An optional Aluminium moisture tape can be incorporated under the jacket for water blocking and shielding purpose. An optional ripcord is located under the jacket to facilitate jacket removal.
Construction
 |
 |
Physical Properties
Fiber Count |
Nominal Weight(kg/km) |
Nominal Weight(lb/kft) |
Nominal Outer Diameter(mm) |
Nominal Outer Diameter(in) |
Maximum Pulling Load |
|
Installation(N/Ib) |
In Service(N/Ib) |
|||||
12-96 |
195.0 |
130.87 |
18.5 |
0.727 |
2670/600 |
890/200 |
108-228 |
320.0 |
214.77 |
22.0 |
0.865 |
2670/600 |
890/200 |
288-648 |
400.0 |
268.46 |
24.5 |
0.963 |
2670/600 |
890/200 |
Construction
 |
 |
Physical Properties
Fiber Count |
Nominal Weight(kg/km) |
Nominal Weight(lb/kft) |
Nominal Outer Diameter(mm) |
Nominal Outer Diameter(in) |
Maximum Pulling Load |
|
Installation(N/Ib) |
In Service(N/Ib) |
|||||
12-96 |
280.0 |
187.92 |
22.5 |
0.885 |
2670/600 |
890/200 |
108-288 |
400.0 |
268.46 |
25.0 |
0.983 |
2670/600 |
890/200 |
288-648 |
500.0 |
335.57 |
29.0 |
1.141 |
2670/600 |
890/200 |
Mechanical Properties
| Minimum Bending Radius: | Maximum Compressive Load: | 4000N for unarmored cables; | |
| Under installation: | 20×OD | 6000N for armoured cables | |
| During operation | 10×OD for unarmoured cables | Repeated Impact: | 4.4 N.m (J) |
| 20×OD for armoured cables | Twist (Torsion): | 180×10 times, 125×OD | |
| Temperature Range: | Cyclic Flexing: | 25 cycles for armoured cables. | |
| Operating Temperature Range: | -40℃(-40℉) to +70℃(+158℉) | 100 cycles for unarmoured cables. | |
| Storage Temperature Range: | -50℃(-58℉) to +70℃(+158℉) | Crush Resistance: | 220N/cm (125lb/in) |
Fiber Compliance
Temperature Cycling |
IEC60794-1-2-F2 |
Safety Compliance
General Purpose Grade |
Flammability Test: OFN (UL1581) |
Riser Grade |
Flammability Test: OFNR/FT4 (UL1666) |
Plenum Grade |
Flammability Test: OFNP/FT6 (UL 910) |
FRPVC Grade |
Flammability Test: IEC60332-1 |
LSZH Grade |
Halogen Content Test: IEC 60754-1 |
LSFROH Grade |
Halogen Content Test: IEC 60754-1 |
FR Grade |
Fire Resistance Test : IEC 60331 / BS 6387 CWZ |
Standard Compliance
Telcordia GR-20 RUS 7 CFR 1755.900 (REA PE-90) ICEA S 87-640
Features
• Large fiber counts with small cable diameter
• Highly adaptable to mass splicing
• Suitable for installation in pipeline
• High quality jelly filled loose tube provides the ribbon fiber satisfactory mechanical and environmental protection.
• Ripcord allows easy jacket removal
• UV or moisture resistant for outdoor application
• Dry water blocking core design for ease of handling