GYTA53-4B1直埋光缆室外通信光纤光缆4芯重铠单模光
松套层绞式加强铠装光缆（GYTA53）
Stranded Loose Tube Armored Cable
产品描述 Description
GYTA53直埋光缆的结构是将250μm光纤套入高模量材料制成的松套管中，松套管内填充防水化合物。缆芯的中心是一根金属加强芯，对于某些芯数的光缆来说，金属加强芯外还需挤上一层聚乙烯（PE）。松套管（和填充绳）围绕中心加强芯绞合成紧凑和圆形的缆芯，缆芯内的缝隙充以阻水填充物。涂塑铝带（APL）纵包后挤一层聚乙烯内护套，双面涂塑钢带（PSP）纵包后挤制聚乙烯护套成缆。
产品特点Characteristics
l 具有很好的机械性能和温度特性
Good mechanical and temperature performance
l 松套管材料本身具有良好的耐水解性能和较高的强度
High strength loose tube that is hydrolysis resistant
l 管内充以特种油膏，对光纤进行了关键性保护
Special tube filling compound ensure a critical protection of fiber
l 良好的抗压性和柔软性
Crush resistance and flexibility
l 采用下列措施来确保光缆的防水性能：
The following measures are taken to ensure the cable watertight:
单根钢丝中心加强芯
Steel wire used as the central strength member
松套管内填充特种防水化合物
Loose tube filling compound
完全缆芯填充
100% cable core filling
涂塑铝带（APL）防潮层
APL moisture barrier
双面涂塑钢带（PSP）提高光缆的抗透潮能力
PSP enhancing moisture-proof
良好的阻水材料防止光缆纵向渗水
Water-blocking material
产品标准Standards
长霆光电GYTA53直埋光缆符合YD/T 901-2001和IEC 60794-1标准
CTFC(SH) GYTA53 cable complies with Standard YD/T 901-2001 as well as IEC 60794-1.
适用：管道、架空、直埋 Application: Duct/ Aerial/Direct buried
光学特性Optical Characteristics
|
G.652 |
G.655 |
50/125 μm |
62.5/125 μm |
|||
|
衰减 Attenuation（+20℃） |
@ 850 nm |
≤ 3.0 dB/km |
≤ 3.0 dB/km |
|||
|
@1300 nm |
≤ 1.0 dB/km |
≤ 1.0 dB/km |
||||
|
@1310 nm |
≤ 0.36 dB/km |
≤ 0.40 dB/km |
||||
|
@1550 nm |
≤ 0.22 dB/km |
≤ 0.23 dB/km |
||||
|
带宽（A级） Bandwidth（Class A） |
@ 850 nm |
≥ 500 MHz·km |
≥ 200 MHz·km |
|||
|
@1300 nm |
≥ 1000 MHz·km |
≥ 600 MHz·km |
||||
|
数值孔径 Numerical Aperture |
0.200 ± 0.015 NA |
0.275 ± 0.015 NA |
||||
|
光缆截止波长Cable Cut-off Wavelength lcc |
≤ 1260 nm |
≤ 1450 nm |
||||
结构参数 Technical Parameters
|
光缆型号 Cable Type （以2纤递增） (Increased by 2 fibers) |
光纤数 Fiber Count |
套管数 Tubes |
填充绳数 Fillers |
光缆直径 Cable Diameter mm |
光缆重量 Cable Weight kg/km |
允许拉伸力 Tensile Strength 长期/短期 Long/Short Term N |
允许压扁力 Crush Resistance 长期/短期 Long/Short Term N/100mm |
弯曲半径 Bending Radius 静态/动态 Static/Dynamic mm |
|
GYTA53-2~6Xn |
2~6 |
1 |
5 |
13.7 |
190 |
1000/3000 |
1000/3000 |
10D/20D |
|
GYTA53-8~12Xn |
8~12 |
2 |
4 |
13.7 |
190 |
1000/3000 |
1000/3000 |
10D/20D |
|
GYTA53-14~18Xn |
14~18 |
3 |
3 |
13.7 |
190 |
1000/3000 |
1000/3000 |
10D/20D |
|
GYTA53-20~24Xn |
20~24 |
4 |
2 |
13.7 |
190 |
1000/3000 |
1000/3000 |
10D/20D |
|
GYTA53-26~30Xn |
26~30 |
5 |
1 |
13.7 |
190 |
1000/3000 |
1000/3000 |
10D/20D |
|
GYTA53-32~36Xn |
32~36 |
6 |
0 |
13.7 |
190 |
1000/3000 |
1000/3000 |
10D/20D |
|
GYTA53-38~48Xn |
38~48 |
4 |
1 |
15.3 |
229 |
1000/3000 |
1000/3000 |
10D/20D |
|
GYTA53-50~60Xn |
50~60 |
5 |
0 |
15.3 |
229 |
1000/3000 |
1000/3000 |
10D/20D |
|
GYTA53-62~72Xn |
62~72 |
6 |
0 |
15.9 |
244 |
1000/3000 |
1000/3000 |
10D/20D |
|
GYTA53-74~84Xn |
74~84 |
7 |
1 |
18.0 |
288 |
1000/3000 |
1000/3000 |
10D/20D |
|
GYTA53-86~96Xn |
86~96 |
8 |
0 |
18.0 |
288 |
1000/3000 |
1000/3000 |
10D/20D |
|
GYTA53-98~108Xn |
98~108 |
9 |
1 |
19..2 |
325 |
1000/3000 |
1000/3000 |
10D/20D |
|
GYTA53-110~120Xn |
110~120 |
10 |
0 |
19.2 |
325 |
1000/3000 |
1000/3000 |
10D/20D |
|
GYTA53-122~132Xn |
122~132 |
11 |
1 |
21.3 |
373 |
1000/3000 |
1000/3000 |
10D/20D |
|
GYTA53-134~144Xn |
134~144 |
12 |
0 |
21.3 |
373 |
1000/3000 |
1000/3000 |
10D/20D |
|
GYTA53-146~216Xn |
146~216 |
18 |
0 |
21.3 |
373 |
1000/3000 |
1000/3000 |
10D/20D |
储存、使用温度：-40℃至+70℃
Storage/Operating Temperature: -40℃ to +70℃
注Note：
a.型号的后缀Xn表示选用的光纤类型，详见长霆光电光纤型号说明；
Suffix Xn denotes fiber type and see details in CTFC(SH)’s cable illustration.
b.套管和光纤的颜色排列见色谱表；
The colour arrangements of fiber and tube are specified in the colour identification table.
c.聚乙烯外护套厚度最小值1.8mm，聚乙烯内护套厚度最小值0.9mm。
The nominal value of the PE outer sheath thickness is 1.8mm while the nominal value of the PE inner sheath thickness is 0.9mm.
