The H3C CWDM-SFP10G-1270-20 Compatible LINK-PP module is a 10G CWDM SFP+ transceiver designed for single-mode fiber links of up to 20 kilometers. It operates at the precise wavelength of 1270nm.
H3C Part Number
CWDM-SFP10G-1270-20
Vendor Name
LINK-PP
Form Factor
SFP+
Max Data Rate
10.7 Gbps
Wavelength
1270nm
Max Cable Distance
20km
Connector
Duplex LC
Media
SMF
Transmitter Type
DFB CWDM
Receiver Type
PIN
TX Power
-5 to +2dBm
RX Power
-16 to -1dBm
Receiver Sensitivity
<-15.5dBm
Receiver Overload
0.5dBm
Operating Temperature Range
0 to 70°C
Protocols
SFP+ MSA Compliant, CPRI, eCPRI, ITU-T G.652
Key Features of H3C CWDM-SFP10G-1270-20 Compatible LINK-PP 10.7G SFP+
The H3C CWDM-SFP10G-1270-20 Compatible LINK-PP 10G SFP+ CWDM module is designed to deliver high-speed, long-reach performance via SMF. With support for up to 10.7 Gbps and a 20 km reach at 1270 nm, it is an ideal choice for enterprises and metro operators seeking efficient bandwidth expansion.
The H3C CWDM-SFP10G-1270-20 Compatible LINK-PP 10G SFP+ Optical Module integrates a high-stability DFB laser transmitter, a high-sensitivity PIN photodiode with TIA, and an intelligent MCU control unit. These components work together to ensure consistent optical output, low error rates, and dependable long-term operation.
CWDM-SFP10G-1270-20: 10 Gbps Connectivity for Next-generation Networks
This H3C CWDM-SFP10G-1270-20 Compatible LINK-PP module supports 10G connectivity and provides a cost-effective solution for upgrading from 1G to a high-efficiency 10G infrastructure.
CWDM-SFP10G-1270-20 Module with CWDM Technology for Fiber Efficiency
Its CWDM (coarse wave division multiplexing) technology enables multiple optical channels to run over a single fiber pair, boosting capacity while keeping infrastructure costs under control.
CWDM-SFP10G-1270-20 Module with 1270nm Wavelength
The H3C CWDM-SFP10G-1270-20 Compatible LINK-PP 10G SFP+ module transmits with low attenuation over a single-mode fiber at 1270 nm. This wavelength is ideal for CWDM channel planning and provides consistent performance across medium-distance optical networks.
With support for transmission distances of up to 20 km at bit rates of 10 Gbps, this CWDM SFP+ optical transceiver module is ideal for campus backbones, metro edge connections, and enterprise inter-building links.
CWDM-SFP10G-1270-20 Module with Duplex LC Interface
This H3C CWDM-SFP10G-1270-20 Compatible LINK-PP module includes a standard duplex LC connector for secure fiber connections and easy integration into existing single-mode cabling systems.
CWDM-SFP10G-1270-20 Module with DOM for Real-Time Monitoring
The integrated Digital Optical Monitoring function enables continuous tracking of the following key operating parameters: module temperature, supply voltage, transmit optical power, and receive optical power.
Every LINK-PP Optical Transceiver Module is built with tight quality control and meets ISO 9001, CE, RoHS, and FCC requirements, guaranteeing deployment confidence worldwide.
Field-ready stability is ensured by a multi-stage validation process that covers optical performance, signal integrity, and environmental reliability for the H3C CWDM-SFP10G-1270-20 Compatible LINK-PP.
CWDM-SFP10G-1270-20 Quality Certifications
All LINK-PP optical modules meet global standards such as ISO 9001, CE, RoHS, and FCC, and are subjected to rigorous quality control at all stages.
This product is in conformity with ISO9001. This system is valid to a company engaging in development, production and supply service of fiber optical products. Please contact us to learn more.
ISO/IEC 27001 is an international standard for managing and processing information security. This standard is jointly developed by the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC). It sets out requirements for establishing, implementing, maintaining, and continually improving an information security management system (ISMS). Ensuring the confidentiality, integrity, and availability of organizational information assets, obtaining an ISO 27001 certificate means that the enterprise has passed the audit conducted by a certification body, proving that its information security management system has met the requirements of the international standard. Please contact us to learn more.
This product is in conformity with ISO14001.It is intended for use by an organization seeking to manage its environmental responsibilities in a systematic manner that contributes to the environmental pillar of sustainability. Please contact us to learn more.
ISO 45001 is a global standard that sets out the requirements for an occupational health and safety management system (OH&SMS).
REACH is a European Union regulation concerning the Registration, Evaluation, Authorization and Restriction of Chemicals. It came into force on 1st June 2007 and replaced a number of European Directives and Regulations with a single system. The regulation aims to protect human health and environmental safety, maintain and improve the competitiveness of the EU chemical industry, and develop innovative capabilities for non-toxic and harmless compounds to prevent market fragmentation, increase the transparency of the use of chemicals, promote non-animal experiments, and pursue sustainable social development.Please contact us to learn more.
This product meets the applicable requirements of Directive (EU) 2015/863 of RoHS. It restricts the use of 10 hazardous materials in the manufacture of various types of electronic and electrical equipment: lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers, and four different phthalates. Please contact us to learn more.
This product fully accords with the FCC, which aims to manage the radio wave and magnetic fields more reasonably. Please contact us to learn more.
CB is an international system operated by IECEE. This product is based on IEC standards for testing the safety performance of electrical products. Please contact us to learn more.
This product fully accords with UKCA (UK Conformity Assessed) certificate, which signifies that it meets all relevant quality standards as well as health and safety requirements. Please contact us to learn more.
UL certification is a non-mandatory certification in the United States,mainly testing and certification of product safety performance.Its ultimate purpose is to obtain products with a fairly safe level for the market,and to contribute to ensuring human health and property safety.Please contact us to learn more.
CWDM-SFP10G-1270-20 Certified for Reliable Host-Device Compatibility
Every transceiver optical module is tested in the field to ensure its reliability and compatibility with LINK-PP devices.
From precise wavelength control to rigorous environmental testing, every H3C CWDM-SFP10G-1270-20 Compatible LINK-PP module is designed to perform reliably in demanding network environments. Learn more at the LINK-PP Test Support Center.
Optical Spectrum Test
Checks wavelength and spectral compliance.
Eye Pattern Test
Validates signal clarity and waveform integrity for high transmission quality.
Bit Error Rate Test
Verifies ultra-low error performance.
Temperature Test
Confirms thermal stability.
Product Shipping for H3C CWDM-SFP10G-1270-20 Compatible LINK-PP 10.7G SFP+
All LINK-PP modules are ESD-protected, shock-secured, and shipped globally with fast processing.
Anti-Static Protective Packaging
The modules are completely protected by superior ESD-safe packaging.
Shock-Resistant Transport Protection
Shock-resistant design reduces vibration and impact dangers.
Fast Order Processing and Dispatch
Quick turnaround to accelerate your deployments.
Global Logistics and International Delivery
Trusted carriers deliver reliably across the globe.
Delivering up to 10 Gbps over 20 km SMF, the H3C CWDM-SFP10G-1270-20 Compatible LINK-PP provides a practical and cost-effective upgrade path for networks requiring higher throughput without moving to more complex or expensive optical platforms. Typical applications include 10GBASE-LR/LW Ethernet, CWDM optical networks, data center uplinks, enterprise backbone infrastructure, metro access and aggregation layers, as well as LTE transport systems.
CWDM-SFP10G-1270-20 Technical Support
LINK-PP provides professional technical support, including pre-sales consultation, compatibility verification, and post-deployment troubleshooting to ensure smooth network operation.
Pre-Sales Technical Consultation
Professional technical guidance to help customers select the most suitable CWDM-SFP10G-1270-20 modules based on network architecture and application requirements.
Compatibility Verification Support
Compatibility checks and validation to ensure seamless operation with Cisco switches and other supported networking platforms.
Deployment & Installation Assistance
Step-by-step support for installation, configuration, and initial deployment to ensure stable and correct operation.
Long-Term Technical Assurance
Ongoing technical support throughout the product lifecycle to ensure reliable performance in enterprise and carrier-grade networks.
Frequently asked questions about features, application, and compatibility are answered here.
Yes. The CWDM-SFP10G-1270-20 has been programmed and tested for interoperability with compatible LINK-PP switches and routers.
The H3C CWDM-SFP10G-1270-20 Compatible LINK-PP 10G SFP+ module supports up to 20 km transmission over single-mode fiber at 10 Gbps.
Yes. It operates on the 1270 nm CWDM wavelength, enabling wavelength multiplexing and improved fiber efficiency.
Common uses include 10GBASE-LR/LW Ethernet, CWDM optical systems, data center uplinks, enterprise backbone networks, metro access and aggregation, and LTE transport networks.
A:
Yes. The module supports Digital Optical Monitoring (DOM/DDM), allowing real-time monitoring of transmit power, receive power, module temperature, supply voltage, and laser bias current. Combined with its MSA-compliant design and OEM compatibility, it provides reliable long-term performance for enterprise, carrier, and data center networks. By
admin on
2025-07-24
A:
Yes. LINK-PP provides project-based pricing for bulk orders and supports OEM/ODM services, including customized labels, EEPROM coding, private branding, and customized packaging. Send us your required quantity and device list, and we'll prepare a competitive quotation for your project. By
admin on
2024-11-02
A:
The LS-CW2710-20C is fully compliant with the SFP MSA standard and supports OEM-compatible coding. It has been successfully deployed with Cisco, Juniper, HPE, Huawei, H3C, MikroTik, Dell, and many other compatible platforms. In most cases, the module is recognized automatically without additional configuration. If you have a specific switch model, please contact us before ordering and we'll verify compatibility. By
admin on
2024-03-11
A:
Yes. The LS-CW2710-20C is designed for Gigabit Ethernet transmission over standard OS2 single-mode fiber with a maximum reach of up to 20 km. It is widely deployed in campus backbones, metro Ethernet, enterprise access networks, and ISP aggregation scenarios where a dedicated 1270nm CWDM channel is required. By
admin on
2024-02-27
One of the best compatible 1270nm CWDM SFP transceivers we've purchased. Reliable DOM monitoring, excellent interoperability, and consistent manufacturing quality across every batch.
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491920
409318
Larry Moore
Lithuania
Verified
Purchase
5 .0
2025-12-09
Installed one pair for a home lab connecting my server rack to a detached office. The 1270nm CWDM link has been completely stable and performs just like the original branded module. (•‿<)
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491920
409314
Chloe Brown
Indonesia
Verified
Purchase
5 .0
2025-09-16
The 1270nm wavelength matched our existing CWDM network perfectly. Installation was straightforward, and the Duplex LC interface worked flawlessly with our existing fiber patch panels. (^_^)b
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491920
409327
Tyler Thomas
Austria
Verified
Purchase
5 .0
2025-04-14
Using this module for a campus backbone saved us from deploying additional fiber infrastructure. Stable optical performance over the full 20 km distance and accurate DOM diagnostics make maintenance much easier.
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491920
409323
Brandon Mitchell
Mexico
Verified
Purchase
5 .0
2025-03-15
Excellent choice for enterprise fiber networks. The DOM function accurately reports transmit and receive optical power, helping us detect fiber issues before they become service problems.
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491920
409312
Ashley Torres
Lithuania
Verified
Purchase
5 .0
2025-02-13
Our engineering team selected this model after comparing several compatible 1270nm CWDM optics. Compatibility, signal quality, and overall cost made it the clear winner.
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491920
409317
Ava Jones
Brazil
Verified
Purchase
5 .0
2024-12-13
Excellent OEM-compatible transceiver. We tested it with Cisco and Juniper switches, and both recognized the module immediately without any compatibility warnings.
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491920
409313
Jonathan Cook
Maldives
Verified
Purchase
5 .0
2024-09-16
The module performs exactly as described. Clean LC connectors, solid housing, and reliable optical transmission over single-mode fiber. Great value compared to OEM optics.
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491920
409322
Ryan Gonzalez
Germany
Verified
Purchase
4 .0
2024-09-11
The courier delayed the shipment by a couple of days, but the transceiver itself worked exactly as advertised. Build quality and optical performance are excellent. :P
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491920
409321
Emily White
Libyan Arab Jamahiriya
Verified
Purchase
5 .0
2024-05-17
Very impressed with the quality. Optical power stayed within specification throughout our acceptance testing, and the module established a stable Gigabit Ethernet link immediately.
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491920
409324
Emily Perez
Netherlands
Verified
Purchase
5 .0
2024-05-03
We installed these modules in an enterprise campus connecting multiple buildings over standard OS2 single-mode fiber. Every 20 km link has remained stable, and the 1270nm wavelength integrates perfectly into our existing CWDM infrastructure.
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491920
409311
Rebecca Thompson
Sweden
Verified
Purchase
5 .0
2024-02-16
Running continuously inside a carrier access network for several months now. No packet loss, no unexpected disconnects, and optical diagnostics remain consistent throughout daily monitoring.
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character.
491920
409319
Christian Lewis
Morocco
Verified
Purchase
5 .0
2024-02-08
We've installed more than forty of these 1270nm CWDM modules across several enterprise sites. Every unit passed testing, and none of our switches reported unsupported transceivers.
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491920
409326
Eric Perez
Russian Federation
Verified
Purchase
5 .0
2024-01-05
After more than six months of continuous operation in both enterprise equipment rooms and telecom access sites, every module continues to perform flawlessly. Stable optical power, dependable Gigabit Ethernet connectivity, accurate DOM monitoring, and excellent OEM compatibility make this our preferred 1270nm CWDM SFP for future deployments.
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