| Cable Cross-section |
| Cable Specification |
1. Introduction
Loose tube construction, tubes jelly filled, elements (tubes and filler rods) laid up around metallic central strength member, filling compound filled in the apertures of the cable core, then aluminum tape and PE outer sheath with messenger wires combined.
2. Fiber color code
Fiber color in each tube starts from No. 1 Blue.
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
|
Blue |
Orange |
Green |
Brown |
Gray |
White |
Red |
Black |
Yellow |
Purple |
Pink |
Aqua |
3. Color codes for loose tube
Tube color starts from No. 1 Blue.
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
|
Blue |
Orange |
Green |
Brown |
Gray |
White |
Red |
Black |
Yellow |
Purple |
Pink |
Aqua |
4. Cable structure and parameter
|
SN |
Item |
Unit |
Value |
||
|
1 |
No. of fibers |
count |
48 |
96 |
144 |
|
2 |
No. of fibers per tube |
count |
12 12 12 |
12 |
12 |
|
3 |
No. of elements |
count |
5 5 5 8 |
8 |
12 |
|
4 |
Messenger wires |
mm |
7*1.0 7*1.0 7*1.0 7*1.0 |
7*1.0 |
7*1.0 |
|
5 |
Cable diameter(±5%) |
mm |
9.6 |
11.9 |
14.5 |
|
6 |
Cable height(±10%) |
mm |
17.0 |
19.3 |
21.9 |
|
7 |
Cable weight(±10%) |
kg/km |
153 |
202 |
259 |
|
8 |
Short term tension |
N |
4000 3000 3000 3000 |
||
|
9 |
Short term crush |
N/100mm |
1000 1000 1000 1000 |
||
| Characteristics of Optical Cable |
1. Min. bending radius
Static: 15 x cable diameter
Dynamic: 20 x cable diameter
2. Application temperature range
Operation: – 40℃ ~ +60℃
Installation: – 15℃ ~ +60℃
Storage/transportation: – 40℃ ~ +60℃
3. Main mechanical & environmental performance test
|
Item |
Test Method |
Acceptance Condition |
|
Tensile Strength IEC 794-1-2-E1 |
– Load: Short term tension – Length of cable: about 50m |
– Fiber strain £ 0.6% – 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. |
| Characteristics 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 |
|
Dispersion in the range 1288 to 1339nm |
£3.5ps/ (nm•km) |
|
Dispersion at 1550nm |
£18ps/ (nm•km) |
|
Dispersion slope at zero dispersion wavelength |
£0.092ps/ (nm2•km) |
