簡要描述：光纜GYXTW-4b1單模光纖● 中心松套管保護(hù)一次涂覆光纖● 光纖集中在纜的中心，加強(qiáng)件分布在光纜護(hù)層中的兩側(cè)● 鋼帶與纜心之間設(shè)有阻水層● 雙面覆塑皺紋鋼帶-聚乙烯粘結(jié)外護(hù)套● 雙鋼絲平行加強(qiáng)
產(chǎn)品型號：
所屬分類：光纖光纜
更新時(shí)間：2026-01-11
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光纜GYXTW-4b1單模光纖
中心管式輕鎧裝室外光纜（GYXS/GYXTW）
GYXS/GYXTW室外光纜的結(jié)構(gòu)是將250μm光纖套入高模量材料制成的松套管中，松套管內(nèi)填充防水化合物。松套管外用一層雙面涂塑鋼帶縱包，鋼帶和松套管之間加阻水材料以保證光纜的緊湊和縱向阻水，兩側(cè)放置兩根平行鋼絲后擠制聚乙烯護(hù)套成纜。
The fibers, 250μm, are positioned in a loose tube made of a high modulus plastic. The tubes are filled with a water-resistant filling compound. The tube is wrapped with a layer of PSP longitudinally. Between the PSP and the loose tube water-blocking material is applied to keep the cable compact and watertight. Two parallel steel wires are placed at the two sides of the steel tape. The cable is completed with a polyethylene (PE) sheath.
產(chǎn)品特點(diǎn)Characteristics
l 具有很好的機(jī)械性能和溫度特性
Good mechanical and temperature performance
l 松套管材料本身具有良好的耐水解性能和較高的強(qiáng)度
High strength loose tube that is hydrolysis resistant
l 管內(nèi)充以特種油膏，對光纖進(jìn)行了關(guān)鍵性保護(hù)
Special tube filling compound ensure a critical protection of fiber
l 良好的抗壓性和柔軟性
Crush resistance and flexibility
l 雙面涂塑鋼帶（PSP）提高光纜的抗透潮能力
PSP enhancing moisture-proof
l 兩根平行鋼絲保證光纜的抗拉強(qiáng)度
Two parallel steel wires ensure tensile strength
l 直徑小、重量輕、容易敷設(shè)
Small diameter, light weight and friendly installation
l 較長的交貨長度
Long delivery length
產(chǎn)品標(biāo)準(zhǔn)Standards
長霆光電(上海)GYXS/GYXTW光纜符合YD/T 769-2003標(biāo)準(zhǔn)。
changting(SH) GYXS/GYXTW cable complies with Standard YD/T 769-2003.
光學(xué)特性Optical Characteristics
G.652 | G.655 | 50/125 μm | 62.5/125 μm | |||
衰減 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 | ||||
帶寬（*） Bandwidth（Class A） | @ 850 nm | ≥ 500 MHz·km | ≥ 200 MHz·km | |||
@1300 nm | ≥ 1000 MHz·km | ≥ 600 MHz·km | ||||
數(shù)值孔徑 Numerical Aperture | 0.200 ± 0.015 NA | 0.275 ± 0.015 NA | ||||
光纜截止波長Cable Cut-off Wavelength lcc | ≤ 1260 nm | ≤ 1450 nm | ||||
結(jié)構(gòu)參數(shù) Technical Parameters
光纜型號 Cable Type （以2纖遞增） (Increased by 2 fibers) | 光纖數(shù) Fiber Count | 光纜重量 Cable Weight kg/km | 允許拉伸力 Tensile Strength 長期/短期 Long/Short Term N | 允許壓扁力 Crush Resistance 長期/短期 Long/Short Term N/100mm | 彎曲半徑 Bending Radius 靜態(tài)/動態(tài) Static/Dynamic mm |
GYXS/GYXTW-2~12Xn | 2~12 | 100 | 短期1500N，長期600N或1KM纜重中取大值 | 300/1000 | 10D/20D |
10D/20D | |||||
GYXS/GYXTW-2~12Xn | 2~12 | 124 | 1000/3000 | 10D/20D | |
GYXS/GYXTW-14~24Xn | 14~24 | 147 | 1000/3000 | 10D/20D | |
GYXS/GYXTW-26~36Xn | 26~36 | 150 | 1000/3000 | 10D/20D | |
GYXS/GYXTW-38~48Xn | 38~48 | 207 | 1000/3000 | 10D/20D |
儲存、使用溫度：-40℃至+70℃
Storage/Operating Temperature: -40℃ to +70℃
注Note：
a.型號的后綴Xn表示選用的光纖類型，詳見光纖型號說明;
Suffix Xn denotes fiber type and see details cable illustration.
b.套管和光纖的顏色排列見色譜表;
The colour arrangements of fiber and tube are specified in the colour identification table.
c.加強(qiáng)件外側(cè)聚乙烯護(hù)套的小厚度小值為0.8mm.
The nominal value of the PE sheath minimum thickness outside of the strength member is 0.8mm.
d.12芯以下光纜為鋼帶不扎紋結(jié)構(gòu)；若客戶要求扎紋，需在合同中特別說明。
The steel tape is not corrugated in the cable with 12 fibers below. If the corrugated steel tape is requested, it should be specified in contract.
