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The structure of GYFDZY (non-metallic reinforcing member, optical fiber ribbon loose-layer twisted semi-dry, low-smoke halogen-free flame retardant polyolefin bonding sheathed outdoor optical cable for communication) optical cable is to sleeve single-mode optical fiber ribbon into a high-modulus fiber optic cable. In the loose tube made of plastic, the loose tube is filled with fiber paste. At the center of the cable core is a non-metallic reinforcing core, possibly extruded with a layer of polyethylene (PE). The loose tube (and filling rope) is twisted around the central reinforcing core to form a compact and round cable core, and the outer cable core is longitudinally wrapped with a water-blocking tape, and then a low-smoke halogen-free flame retardant polyolefin sheath is extruded.
Loose tube construction, tubes jelly filled, elements (tubes and filler rods when necessary) and water blocking yarns laid up around non-metallic central strength member(with cushion when necessary), polyester yarns used to bind the cable core, filling rod filled in the apertures of the cable core, then water blocking tape and PE outer sheath with FRP reinforcing member.
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
7
8
9
10
11
12
Red
Black
Yellow
Violet
Pink
Aqua
Color codes for loose tube
Tube color starts from No. 1 Blue.
1
2
3
4
5
6
Blue
Orange
Green
Brown
Gray
White
7
8
9
10
11
12
Red
Black
Yellow
Violet
Pink
Aqua
Cable structure and parameter
SN
Item
Unit
Value
1
No. of fibers
count
864
2
Fiber No. per ribbon
count
12
3
Ribbon No. per tube
count
12
4
No. of elements
count
6
5
Cable diameter(±5%)
mm
26.8
6
Cable weight(±10%)
kg/km
563
7
Short term tension
N
2700
8
Short term crush
N/100mm
1000
Characteristic of Optical Cable
1. Min. bending radius for installation
Static: 10x cable diameter
Dynamic: 20x cable diameter
2. Application temperature range
Operation: - 40℃ ~ +70℃
Installation: -20℃ ~ +70℃
Storage/transportation: - 40℃ ~ +70℃
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 £ 0.6% - 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.
Characteristic of Optical Fiber
G652D fiber information
Mode field diameter (1310nm): 9.2m0.4m
Mode field diameter (1550nm): 10.4m0.5m
Cut off wavelength of cabled fiber (cc): 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)
Company Profile
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Trading Company
Year Established:
2010
Total Annual:
800000-2000000
Employee Number:
100~400
Ecer Certification：
Site Member
KEXINT which was founded in the year 2007 is a high-tech enterprise specialized in telecom communication network equipment research and development (R&D), manufacturing, marketing, and providing application solutions and technical se...
KEXINT which was founded in the year 2007 is a high-tech enterprise specialized in telecom communication network equipment research and development (R&D), manufacturing, marketing, and providing application solutions and technical se...
