Description
Loose tube construction, tubes jelly filled, elements (tubes and filler rods) laid up around non-metallic central strength member, polyester yarns used to bind the cable core, water blocking tape wrapped around the cable core, then aramid yarn reinforced and PE outer sheath
Fiber color code
Fiber color in each tube starts from No. 1 Blue.
| 1 |
2 |
3 |
4 |
5 |
6 |
| Blue |
Orange |
Green |
Brown |
Gray |
White |
Loose tube color code
Tube color starts from No. 1 Blue.
| 1 |
2 |
3 |
4 |
| Blue |
Orange |
Green |
Brown |
Cable structure and parameter
| SN |
Item |
Unit |
Value |
| 1 |
No. of fibers |
count |
4 |
6/8/12/24 |
| 2 |
No. of fibers per tube |
count |
4 |
6 |
| 3 |
No. of elements |
count |
6 |
6 |
| 7 |
Cable diameter(±5%) |
mm |
10.2 |
10.2 |
| 8 |
Cable weight(±10%) |
kg/km |
72 |
74 |
| 9 |
Short term tension |
N |
1800 |
1800 |
| 10 |
Short term crush |
N/100mm |
1000 |
1000 |
| 11 |
Max Span |
m |
50 |
50 |
| 12 |
Wind speed |
m/s |
25 |
25 |
| 13 |
Ice thickness |
mm |
0 |
0 |
Note: mechanical sizes are nominal values.
Characteristic of Optical Cable
1 Min. bending radius for installation
Static: 15 x cable diameter
Dynamic: 20 x cable diameter
2 Application temperature range
Operation: - 40ºC ~ +60ºC
Installation: -10ºC ~ +60ºC
Storage/transportation: - 40ºC ~ +60ºC
3 Main mechanical & environmental performance test
| Item |
Test Method |
Acceptance Condition |
Tensile Strength
IEC 60794-1-2-E1 |
- Load: Short term tension
- Length of cable: about 50m
- Load time: 1min |
- Fiber strain £ 0.33%
- No fiber break and no sheath damage. |
Crush Test
IEC 60794-1-2-E3 |
- Load: Short term crush
- Load time: 1min |
- Loss change £ 0.1dB@1550nm
- No fiber break and no sheath damage. |
Characteristic of Optical Fiber
| G652D fiber information |
| Mode field diameter (1310nm) |
9.2mm±0.4mm
|
| Mode field diameter (1550nm) |
10.4mm±0.8mm
|
| Cut off wavelength of cabled fiber (lcc) |
£1260nm
|
| Attenuation at 1310nm |
£0.36dB/km
|
| Attenuation at 1550nm |
£0.22dB/km
|
| Bending loss at 1550nm (100 turns, 30mm radius) |
£0.05dB |
| Zero dispersion wavelength |
1300nm-1324nm
|
| Dispersion in the range 1288 to 1339nm |
£3.5ps/ (nm•km)
|
| Dispersion in the range 1271 to 1360nm |
£5.3ps/ (nm•km)
|
| Dispersion in the range 1480 to 1580nm |
£20ps/ (nm•km)
|
| Dispersion at 1550nm |
£18ps/ (nm•km) |
| Dispersion slope at zero dispersion wavelength |
£0.092ps/ (nm2•km) |
Design Condition
| Project I |
ProjectII |
| Fiber cores |
Fiber cores |
| Installation span |
Max. allowable tension |
| Voltage grade |
Voltage grade |
| Max., Min., Avg. temperature |
|
| Max. wind speed |
|
| Max. thickness of ice coverage |
|
Ordering Information
| Fiber Type |
Fiber Cores |
Installation Span |
Max. Allowable Tension |
Sheath / Jacket (Materials) |
Max. Wind Speed |
Max. thickness of ice coverage |
Max., Min., Avg. temperature |
| PE |
AT |
| Single Mode B1-G.652D-9/125mm |
2Cores |
50Meter |
4KN |
Voltage grade: <110KV
|
Voltage grade: >110KV
|
How Many Meters Per Second |
Winter Max. thickness of ice coverage
|
-ºC~+ºC |
| Single Mode B4-G.655 |
4Cores |
60Meter |
6KN |
| Multi Model A1a-50/125mm |
6Cores |
80Meter |
9KN |
| Multi Model A1b-62.5/125mm |
8Cores |
100Meter |
12KN |
| Or Customer Specified |
12Cores |
120Meter |
15KN |
| 24Cores |
150Meter |
18KN |
| 36Cores |
200Meter |
19KN |
| 48Cores |
250Meter |
21KN |
| 72Cores |
300Meter |
24KN |
| 96Cores |
400Meter |
26KN |
| 144Cores |
600Meter |
27KN |
| Or Customer Specified |
Or Customer Specified |
Or Customer Specified |
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