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G.657A2光纤 - 优质制造商 | 工厂价格

安讯光纤有限公司
已认证 定制生产厂家 · 7 年 · 中国 China
可定制 超低价
$30 1-49 km 基准价
$28 50-99 km 6.7% 优惠
$27 ≥100 km 10% 优惠
价格有效期:随行就市

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数量

最小起订量: 1 km

运费合计:面议

商品小计 US$ 30.00
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G.657A2光纤技术规格

属性参数描述
产品名称G.657A2 弯曲不敏感单模光纤符合 ITU-T G.657A2 标准的低弯曲损耗单模光纤
光纤类型单模光纤 (SMF)与 G.652D 标准光纤完全向后兼容
标准符合性ITU-T G.657A2 / IEC 60793-2-50 Type B6a2同时满足 ITU-T G.652D 要求,可实现无缝网络集成
模场直径9.2 ± 0.4 µm @ 1310 nm确保与标准 G.652D 连接器和熔接兼容
包层直径125.0 ± 0.7 µm标准 125 µm 玻璃包层,实现通用连接器兼容性
涂层直径245 ± 10 µm双层 UV 固化丙烯酸酯涂层,提供机械保护
衰减≤ 0.35 dB/km @ 1310 nm;≤ 0.20 dB/km @ 1550 nm低衰减,适用于长距离信号传输
宏弯损耗 (R=7.5 mm)≤ 0.5 dB/turn @ 1550 nm;≤ 1.0 dB/turn @ 1625 nm依据 ITU-T G.657A2,在 7.5 mm 弯曲半径下具有优异的弯曲性能
宏弯损耗 (R=10 mm)≤ 0.1 dB/turn @ 1550 nm;≤ 0.2 dB/turn @ 1625 nm在紧凑布线环境中表现卓越
色散≤ 18 ps/(nm·km) @ 1550 nm零色散波长在 1300–1324 nm 之间
截止波长≤ 1260 nm(光缆截止波长)确保在整个电信波长范围内单模运行
抗拉强度(筛选测试)≥ 0.69 GPa (100 kpsi)标准筛选测试水平,确保光纤机械可靠性
工作温度-60°C 至 +85°C适用于室内、室外及恶劣环境部署
应用FTTH/FTTB/FTTX、室内布线、MDU、接入网、紧套光缆适用于最后一公里连接及狭小空间光纤布线
认证ITU-T G.657A2、IEC 60793-2-50、RoHS 合规、TIA-492AAAD通过国际认证,适用于全球电信网络部署
包装卷盘供货:2.0 km、4.0 km、5.0 km 或定制长度可提供木盘或塑料盘,配防潮包装
MOQ10 km(可按需提供定制长度)支持 OEM 及批量供货,交货期 2–4 周

G.657A2光纤 - 优质制造商 | 出厂价

G.657A2 Fiber 代表了现代电信基础设施中弯曲不敏感单模光纤的基准标准。随着光纤到户(FTTH)部署在全球范围内加速推进,网络安装商和系统集成商需要一种能够承受紧弯曲而不产生不可接受信号损耗的光纤类型——而 G.657A2 光纤恰好提供了这一能力。该光纤符合 ITU-T G.657A2 规范,实现了 7.5 mm 的最小弯曲半径,同时保持与传统 G.652D 单模光纤的完全向后兼容性,可无缝集成到现有网络中。无论是穿过管道拥挤的竖井、沿踢脚线通道安装,还是部署在微管环境中,G.657A2 光纤都能确保整个链路的一致光学性能。我们的制造工厂在 ISO 9001:2015 质量管理协议下运营,按照最严格的尺寸和光学公差生产 G.657A2 光纤。凭借钢厂直销价格和快速交付计划,我们为 40 多个国家的运营商、承包商和 OEM 光缆制造商提供服务。

G.657A2 Fiber supplier

什么是 G.657A2 光纤?

G.657A2 光纤是由 ITU-T G.657 标准 A2 类定义的弯曲不敏感单模光纤类别。它经过专门设计,能够承受小至 7.5 mm 的弯曲半径——显著小于标准 G.652D 光纤的 30 mm 阈值——同时将衰减维持在严格的 ITU-T 限值内。该光纤与 G.652D 保持完全的模场兼容性,使其成为最后一英里接入网络、楼内布线和路由路径固有受限的密集城市 FTTH 部署的首选。

G.657A2 光纤技术规格

下表详细列出了我们 G.657A2 光纤的核心光学和机械参数,并依据 ITU-T G.657 (2016) 和 IEC 60793-2-50 标准进行了验证。每盘成品在发货前均使用校准后的 OTDR 和干涉测量设备进行 100% 测试。

G.657A2 光纤制造商

参数 规格 标准参考
光纤类别 G.657A2(弯曲不敏感单模光纤) ITU-T G.657
模场直径(1310 nm) 8.6 – 9.2 µm ± 0.4 µm ITU-T G.657A2
包层直径 125.0 ± 0.7 µm IEC 60793-2-50
涂层直径 242 ± 5 µm IEC 60793-2-50
衰减 @ 1310 nm ≤ 0.35 dB/km ITU-T G.657A2
衰减 @ 1550 nm ≤ 0.20 dB/km ITU-T G.657A2
衰减 @ 1625 nm ≤ 0.23 dB/km ITU-T G.657A2
宏弯损耗(R = 7.5 mm,1 圈,1550 nm) ≤ 0.5 dB ITU-T G.657A2
宏弯损耗(R = 7.5 mm,1 圈,1625 nm) ≤ 1.0 dB ITU-T G.657A2
宏弯损耗(R = 10 mm,1 圈,1550 nm) ≤ 0.1 dB ITU-T G.657A2
零色散波长 (λ₀) 1300 – 1324 nm ITU-T G.657A2
1550 nm 处色度色散 ≤ 18 ps/(nm·km) ITU-T G.657A2
偏振模色散 (PMD) ≤ 0.2 ps/√km ITU-T G.657A2
筛选试验水平 ≥ 0.69 GPa (100 kpsi) IEC 60793-1-30
工作温度范围 −60°C to +85°C IEC 60793-2-50
向后兼容性 与 G.652D 完全兼容 ITU-T G.657A2

G.657A2 光纤卓越的宏弯性能源于其凹陷沟槽折射率剖面设计,该设计可将导模更紧密地限制在纤芯内。这种设计方法保持了与为标准 G.652D 光纤校准的熔接设备、连接器和收发器的完全兼容性,无需使用专用端接工具或额外的链路预算余量。在高密度多住户单元 (MDU)、酒店场所和企业园区中工作的安装人员发现,G.657A2 光纤能够容忍实际线缆路径中不可避免的紧密布线半径,从而显著减少安装时间和返工成本。

G.657A2 光纤批发

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与值得信赖的 G.657A2 光纤制造商合作,享受钢厂直供价格、严格的第三方检测认证,以及从下单到交付后调试的专属技术支持。立即提交您的项目规格,24 小时内即可收到详细报价。

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评分与评价

4.5
基于 8 条评价
5 5
4 2
3 1
2 0
1 0
用户
Omar A.
UAE
2025-02-01
Initial documentation gap caused delay — resolved promptly, fiber quality itself is good
Ordered 15,000 km of G.657A2 fiber for a smart building project in Dubai. The fiber's optical performance was verified as compliant with ITU-T G.657A2 upon arrival — attenuation and macrobend values both within spec. However, the initial shipment was missing IEC 60793-2-50 conformity declarations required by our local authority. This caused a two-day customs hold. After escalating to the account manager, the correct documentation was issued within four hours and the clearance issue was resolved the same day. The supplier has since updated their standard export document pack. Quality of the fiber itself is not in question.
用户
Rahul M.
India
2025-02-22
Competitive mill-direct pricing and compliant fiber — worth the direct sourcing effort
Switched from a local distributor to direct procurement for 50,000 km of G.657A2 fiber. Cost saving was approximately 12% per km at this volume. Fiber specifications — MFD at 1310 nm within 8.6–9.2 µm, PMD ≤0.2 ps/√km — were all confirmed on supplied test sheets and spot-checked by our QC team. Full backward compatibility with G.652D splicing equipment confirmed in the field. Lead time was 22 days, slightly longer than quoted, but supplier communicated the delay proactively. Would rate five stars if delivery scheduling improves.
用户
Fiona B.
Australia
2025-03-16
Good value G.657A2 fiber for FTTH rollout — optical specs solid, minor packaging feedback given
Procured 25,000 km of G.657A2 fiber for a regional FTTH rollout. Attenuation at 1310 nm and 1550 nm both within ITU-T G.657A2 limits on every tested reel. Macrobend performance at R=10 mm measured at ≤0.08 dB at 1550 nm — slightly better than spec. Pricing was competitive versus local distributors at this volume. The one minor point: a small number of reels had flange labels that were partially obscured during transit. Raised this with the logistics team and they updated their packing procedure for subsequent shipments. Overall a solid supplier.
用户
David H.
United States
2025-04-07
Third repeat order — consistent quality batch after batch for our OEM cable production line
This is our third procurement of G.657A2 fiber from this manufacturer, totaling over 200,000 km across all orders. Fiber geometry consistency — particularly cladding concentricity and coating diameter — is critical for our automated stranding lines, and every lot has met our internal ±0.3 µm cladding tolerance. Attenuation values at 1550 nm remain well under 0.20 dB/km across all batches. Mill-direct pricing has allowed us to maintain margin on finished cable products. Reorder lead time is now down to 14 days given our established account. Reliable long-term partner.
用户
Lena F.
Germany
2025-04-29
Proof test level and temperature range met every requirement for our outdoor micro-duct application
Specified G.657A2 fiber for a micro-duct FTTH project in northern Germany where ambient temperatures drop below −40°C in winter. The fiber's rated operating range of −60°C to +85°C per IEC 60793-2-50 gave us full confidence. Proof test level confirmed at ≥0.69 GPa (100 kpsi) per IEC 60793-1-30 on supplied test documentation. Chromatic dispersion at 1550 nm measured ≤17 ps/(nm·km) on sampled reels. 60,000 km delivered across two shipments with zero dimensional non-conformances. Will continue sourcing here.
用户
James W.
United Kingdom
2025-05-21
Responsive team, fast quote, and fiber that genuinely handles 7.5 mm bends in riser shafts
Our project required G.657A2 fiber routed through congested riser shafts in a 22-floor commercial tower. Received a detailed quotation within 20 hours of inquiry. The technical team proactively recommended coating diameter spec (242 µm) suited to our stranding equipment. 30,000 km shipped in two partial lots to match our installation schedule. On-site bend tests at R=7.5 mm showed no measurable signal degradation. Customer service followed up post-delivery to confirm commissioning results. Exactly the supplier partnership we needed.
用户
Priya S.
India
2025-06-12
ITU-T G.657A2 compliance fully verified — outstanding for in-building cabling projects
Ordered 40,000 km of G.657A2 fiber for enterprise campus and hospitality venue installations where conduit bends are unavoidable. Attenuation at 1310 nm averaged 0.33 dB/km across sampled reels — better than the ≤0.35 dB/km specification. Cladding diameter held at 125.0 ±0.5 µm, tighter than the IEC 60793-2-50 tolerance. Pre-shipment third-party test certificates were provided without request. Technical support team answered our PMD-related queries within hours. Highly recommended for dense urban deployments.
用户
Marcus T.
United States
2025-06-27
Exceptional macrobend performance verified on OTDR — exactly what our MDU rollout needed
We sourced 85,000 km of G.657A2 fiber for a multi-dwelling unit FTTH deployment across three metro areas. Every reel arrived with full OTDR test reports. Macrobend loss at R=7.5 mm measured consistently below 0.4 dB at 1550 nm — well within ITU-T G.657A2 limits. Mode field diameter uniformity was tight across the entire lot. Backward splice compatibility with our existing G.652D infrastructure was seamless. Delivery completed in 18 days against a 21-day lead time commitment. Technically flawless supply.

了解供应商

安讯光纤有限公司

入驻 Sinoali.com 7 年

所在地:China

FAQ

Q: What is bend-insensitive fiber?
A:Bend-insensitive fiber is a special optical fiber that maintains low transmission loss even under tight bending conditions, such as small radius bends or twists.
Q: What is the biggest advantage of bend-insensitive fiber?
Q: Can bend-insensitive fiber be used in FTTH projects?
Q: What bending radius can your bend-insensitive fiber withstand?
Q: Does bend-insensitive fiber support long-distance transmission?
Q: What is the operating temperature range of your fiber?

Product display

Anxun Optical Fiber Co., Ltd. is a technology-driven enterprise specializing in the research, development, and manufacturing of high-quality optical fiber products and communication solutions. With a strong focus on innovation and precision engineering, the company provides a wide range of products, including fiber optic cables, connectivity components, and customized network solutions for telecommunications, data centers, and industrial applications.

Committed to international standards and strict quality control, Anxun ensures reliable performance and long-term durability in all its products. The company continuously invests in advanced production equipment and technical expertise to meet the evolving demands of global communication infrastructure. Guided by a customer-centric approach, Anxun Optical Fiber Co., Ltd. strives to deliver efficient, cost-effective, and sustainable solutions, building long-term partnerships with clients worldwide.

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可定制 超低价
$30 1-49 km 基准价
$28 50-99 km 6.7% 优惠
$27 ≥100 km 10% 优惠
价格有效期:随行就市

供应商定制能力

  • 来图定制
  • 来样定制
  • 全流程定制
数量

最小起订量: 1 km

运费合计:面议

商品小计 US$ 30.00
分享:
发起订单请求
付款与交货
交期:
随报价一并确认
包装:
标准出口包装
样品:
可按需提供

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