Stranded Loose Tube Cable with Aluminum Tape (GYTA)
Description
In the GYTA cable, single-mode/multimode fibres are positioned in
the loose tubes, which are made of high modulus plastic materials,
while the loose tubes strand together around metallic central strength
member into a compact and circular cable core. For certain high fibre
count cables, the strength member would be covered with polyethylene
(PE). The water-blocking materials are distributed into interstices of
the cable core,and the Aluminum Polyethylene Laminate (APL) is
longitudinally applied around the cable core before a PE sheath is
extruded over it.
Characteristics
Excellent mechanical and temperature
performance guaranteed by the accurate excess
fibre length
Critical protection to fibres, based on the
excellent hydrolysis resistance and strength
performance of tube material and special filling
compound filled in the tube
Excellent ultraviolet prevention with PE sheath
The following measures are taken to ensure the
water blocking performance of the cable:
- Single steel wire used as the central strength
member
- Special water-blocking filling compound in
the loose tube
- 100% cable core filling
- APL moisture barrier
Storing temperature:-40℃ to +70℃
Operating temperature:-40℃ to +70℃
Bending radius: Static 10×D
Dynamic 20×D
Application: Duct/Aerial
YANGT E OPTICAL FIBRE AND CABLE
JOINT STOCK LIMITED COMPANY
No.9 Optics Valley Avenue, Wuhan,
Hubei, China(P.C.: 430073) Phone: +86
400-991-6698 Email: marketing@yofc.com
www.khomax.com /www.yofc.com
Stranded Loose Tube Cable with Aluminum Tape (GYTA)
Cable Type
Fibre Count
Tubes
Max. No. of
Cable
Cable
Tensile Strength
Crush Resistance
+
Fibres in
Diameter
Weight
Long/Short Term
Long/Short Term
Fillers
Tube
mm
kg／km
N
N／100 mm
（increased by 2 fibres）
GYTA-2~30Xn
2~30
5
6
9.2
85
600/1500
300/1000
GYTA-32~36Xn
32~36
6
6
10.2
107
600/1500
300/1000
GYTA-38~60Xn
38~60
5
12
10.4
110
600/1500
300/1000
GYTA-62~72Xn
62~72
6
12
11.4
130
600/1500
300/1000
GYTA-74~96Xn
74~96
8
12
13.6
165
600/1500
300/1000
GYTA-98~120Xn
98~120
10
12
14.8
195
600/2000
300/1000
GYTA-122~144Xn
122~144
12
12
16.4
236
600/2500
300/1000
GYTA-146~216Xn
146~216
18
12
16.4
232
600/2500
300/1000
GYTA-218~288Xn
218~288
24
12
20.0
300
1000/3000
300/1000
Note:
1.Suffix Xn denotes fibre type and see details in YOFC cable coding illustration.
2.The colour arrangement of fibre and tube is specified in colour identification table.
3.The normal PE sheath thickness is 1.8mm.
Fibre
Fibre
PE Sheath
PE Sheath
Cable Filling Compound
Cable Filling Compound
APL
APL
Loose Tube
Loose Tube
Tube Filling Compound
Tube Filling Compound
Strength Member
Strength Member
Figure 1 GYTA-30Xn
Figure 2 GYTA-36Xn
Fibre
Fibre
PE Sheath
PE Sheath
Tube Filling Compound
Cable Filling Compound
PE Sheath
PE Sheath
Cable Filling Compound
Tube Filling Compound
APL
APL
Loose Tube
Strength Member
Loose Tube
Strength Member
Figure 3 GYTA-96Xn
Figure 4 GYTA-216Xn
YANGT E OPTICAL FIBRE AND CABLE
JOINT STOCK LIMITED COMPANY
No.9 Optics Valley Avenue, Wuhan,
Hubei, China(P.C.: 430073) Phone: +86
400-991-6698 Email: marketing@yofc.com
www.khomax.com /www.yofc.com
50/125µm Multimode Fibre
Characteristics
Conditions
Specified Values
Units
50± 2.5
[µm]
[%]
Geometry Characteristics
Core Diameter
Core Non-Circularity
:,;;;5.0
Cladding Diameter
125.0± 1.0
[µm]
[%]
Coating Diameter
245± 7
Coating/Cladding Concentricity Error
:,;;;10.0
[µm]
[µm]
Cladding Non-Circularity
[%]
Coating Non-Circularity
Core/Cladding Concentricity Error
:,;;;1.5
Delivery Length
Up to 17.6
[µm]
[km/reel]
Optical Characteristics
Attenuation
Overfilled Modal Bandwidth
850nm
:,;;;2 3
[dB/km]
1300nm
:,;;;0.6
[dB/km]
850nm
;a:500
[MHz· km]
1300nm
;a:500
[MHz· km]
0.200± 0.015
Numerical Aperture
Group Refractive lndex
850nm
1.482
1300nm
1.477
1295-1340
[nm]
1295nm,;; A o,;; 1310nm
.;;0.105
[ps/(nm2 • km)]
1310nm,;; A o,;; 1340nm
,;;O 000375 (1590-M)
[ps/(nm2 • km)]
850nm
:,;;;0.50
[dB]
1300nm
:,;;;0.50
[dB]
850nm
,;; 1.0
[dB]
1300nm
,;; 1.0
[dB]
Step (Mean of Bidirectional Measurement)
,;;o 10
[dB]
lrregularities Over Fibre Length and Point Discontinuity
:,;;;0.10
[dB]
Attenuation Uniformity
,s,;0 08
[dB/km]
:,;;;0.10
[dB/km]
Zero Dispersion Wavelength, "A o
Zero Dispersion Slope, So
Macrobending Loss
100Turns@ 37.5 mm Radius
2Turns@ 15 mm Radius
Backscatter Characteristics
Environmental Characteristics
Temperature Cycling
1300nm
850nm & 1300nm
-60"C to +85"C
Temperature-Humidity Cycling
-10°C to +85"C, 4% to 98% RH
:,;;;0.10
[dB/km]
Water lmmersion
23°C, 30 days
,s;;0.10
[dB/km]
Dry Heat
85°C , 30 days
:,;;;0.10
[dB/km]
Damp Heat
85°C , 85% RH , 30 days
:,;;;0.10
[dB/km]
Mechanical Specification
ProofTest
[N]
[%]
[kpsi]
Coating Strip Force
typical average force
[N]
peak force
Dynamic Stress Corrosion Susceptibility Parameter (nd , typical)
[N]
27
YANGT E OPTICAL FIBRE AND CABLE
JOINT STOCK LIMITED COMPANY
No.9 Optics Valley Avenue, Wuhan,
Hubei, China(P.C.: 430073) Phone: +86
400-991-6698 Email: marketing@yofc.com
www.khomax.com /www.yofc.com