Applications :
- These steel armoured optical fibre cables are flame retardant, low smoke, halogen free and fire resistant, used for communication and emergency systems that need to be operational during fire.
Standards :
-
IEC 60794 |
IEC 60811-2-1 |
IIEC 60331-25 |
IEC 60332-3-24 |
IEC 60332-3-22 |
IEC 60754-1,2 |
IEC 61034-1,2 |
NEK 606:2004 |
Construction :
- Fibre Element : Loose tube core design.
- Central Strength Element : Steel wire or fibre reinforced plastic (FRP).
- Bedding : Halogen free and flame retardant thermoplastic compound.
- Armour : Galvanized steel wire braid.
- Outer Sheath : Halogen free and flame retardant, UV-stabilized, thermoplastic compound, SHF1.
Optional :
- F4 QFCI-HCF : QFCI-HCF cables are consist of loose tube fibre element, steel wire or FRP central strength element, halogen free and flame retardant thermoplastic bedding, galvanized steel wire braid armour, SHF1 sheath, HC-fire protection, fire resistant tape and SHF1 outer sheath.
Electrical Characteristics :
-
Fibre Type |
|
9/125 |
50/125 |
50/125 |
62.5/125 |
ITU-T type |
|
G652.D |
G651 |
G651 |
- |
IEC11801 Classification |
|
OS1 & OS2 |
OM2 |
OM3 |
OM1 |
Core Diameter |
μm |
8.7±0.4 |
50±3.0 |
50±3.0 |
62.5±3.0 |
Cladding Diameter |
μm |
125 ±1.0 |
125 ±2.0 |
125 ±2.0 |
125 ±2.0 |
Coating Diameter |
μm |
245 ±10 |
245 ±10 |
245 ±10 |
245 ±10 |
Maximum Attenuation |
|
|
|
|
|
@850 nm |
dB/km |
- |
3.0 |
3.0 |
3.5 |
@1300 nm |
dB/km |
- |
1.5 |
1.0 |
1.5 |
@1310 nm |
dB/km |
0.36 |
- |
- |
- |
@1550 nm |
dB/km |
0.22 |
- |
- |
- |
Minimum Bandwidth(OFL*) |
|
|
|
|
|
@850 nm |
MHz.km |
- |
500 |
1500 |
200 |
@1300 nm |
MHz.km |
- |
500 |
500 |
600 |
Maximum Chromatic Dispersion |
|
|
|
|
|
1285-1330 nm |
ps/nm⋅km |
2.8 |
- |
- |
- |
1550 nm |
ps/nm⋅km |
18 |
- |
- |
- |
Zero Dis ersion Wavelen th |
nm |
1300~1324 |
- |
- |
- |
Mechanical and Thermal Properties :
- Bending Radius : 20×OD (during installation); 10×OD (fixed installed).
- Temperature Range : -40℃ ~ +70℃.
Dimensions and Weight :
No. of Fibres |
Construction No. of tubes×No. of fibres in each tube |
Number of Fillers |
Nominal Loose Tube Diameter
mm |
Nominal Overall Diameter
mm |
Nominal Weight
kg/km |
2 |
1×2 |
5 |
2.2 |
13.9 |
244 |
4 |
1×4 |
5 |
2.2 |
13.9 |
244 |
6 |
3×2 |
3 |
2.2 |
13.9 |
244 |
8 |
2×4 |
4 |
2.2 |
13.9 |
244 |
10 |
5×2 |
1 |
2.2 |
13.9 |
244 |
12 |
3×4 |
3 |
2.2 |
13.9 |
244 |
16 |
4×4 |
2 |
2.2 |
13.9 |
244 |
20 |
5×4 |
1 |
2.2 |
13.9 |
244 |
24 |
6×4 |
0 |
2.2 |
13.9 |
244 |
32 |
4×8 |
2 |
2.2 |
13.9 |
244 |
40 |
5×8 |
1 |
2.2 |
13.9 |
244 |
48 |
6×8 |
0 |
2.2 |
13.9 |
244 |
|