Designed for advanced single-mode fiber networks, the CWDM-SFP10G-20S operates as a 10G SFP+ CWDM duplex LC transceiver that pairs a precision 1350nm DFB laser with a PIN photodiode to span 20km distances under a single +3.3V power supply, all while featuring real-time Digital Optical Monitoring (DOM) for precise optical parameter tracking.
Generic Part Number
CWDM-SFP10G-20S
Vendor Name
LINK-PP
Form Factor
SFP+
Max Data Rate
10.7Gbps
Wavelength
1350nm
Max Cable Distance
20km
Connector
Duplex LC
Media
SMF
Transmitter Type
DFB
Receiver Type
PIN
TX Power
-5 to +2dBm
RX Power
-16 to -1dBm
Receiver Sensitivity
<-15.5dBm
DOM Support
Yes
Operating Temperature Range
0 to 70°C
Protocols
SFP+ MSA Compliant, CPRI, eCPRI, ITU-T G.652
Key Features of Generic CWDM-SFP10G-20S Compatible LINK-PP 10.7G SFP+
Generic CWDM-SFP10G-20S Compatible LINK-PP module is a commercial-grade 10G SFP+ CWDM optical transceiver designed to enhance network capacity over single-mode fiber. This duplex LC module operates at a 1350nm wavelength, delivering stable 20km data transmission with real-time digital diagnostics. It provides an efficient and reliable solution for modern fiber infrastructure.
This transceiver features a hot-pluggable SFP+ footprint, allowing for easy installation and maintenance without disrupting network uptime. It is also fully compliant with RoHS environmental standards, ensuring an eco-friendly deployment in enterprise environments.
CWDM-SFP10G-20S: 10 Gbps Connectivity for WDM Transport Systems
Engineered for fast network demands, this module delivers reliable 10Gbps data rates to eliminate bandwidth bottlenecks. It ensures rapid data transfers and smooth traffic flow within high-speed WDM aggregation systems.
CWDM-SFP10G-20S Module with CWDM Technology for Fiber Efficiency
By utilizing Coarse Wavelength Division Multiplexing (CWDM), this module allows multiple data channels to run over the same physical fiber. It dramatically increases total network capacity while minimizing the need for expensive new cabling.
CWDM-SFP10G-20S Module with 1350nm Wavelength
Operating at a precise 1350nm center wavelength, this module is built to fit perfectly into standardized CWDM channel grids. This specific optical spectrum helps maintain clear signal paths and prevents interference between adjacent channels.
Equipped with a premium DFB laser and PIN photodiode, the module effortlessly spans distances up to 20km over single-mode fiber. This makes it an ideal choice for regional metro access networks and campus backbone links.
CWDM-SFP10G-20S Module with Duplex LC Interface
The industry-standard duplex LC connector ensures a secure, low-loss physical connection with existing fiber cabling. Its compact patch design helps optimize port density in crowded network switches and routers.
CWDM-SFP10G-20S Module with DOM for Real-Time Monitoring
Integrated Digital Optical Monitoring (DOM) provides real-time tracking of critical parameters like temperature, voltage, and optical power levels. This smart diagnostic tool helps network administrators quickly troubleshoot issues and prevent unexpected link dropouts.
The CWDM-SFP10G-20S 10G SFP+ optical transceiver complies with major international regulatory benchmarks, including ISO 9001, CE, RoHS, and FCC, validating its adherence to rigorous global design and safety protocols.
Every CWDM-SFP10G-20S CWDM module undergoes an extensive factory screening process that evaluates signal integrity and laser stability to prevent field failures.
CWDM-SFP10G-20S Quality Certifications
These formal industrial endorsements guarantee that the module satisfies strict emissions, environmental, and manufacturing standards required for network deployment.
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-20S Certified for Reliable Host-Device Compatibility
Engineered for multi-vendor environments, the module is pre-coded and verified to ensure immediate, error-free integration into existing enterprise switches and routers.
Our comprehensive vetting process validates mechanical durability and optical precision across diverse network environments; discover our complete quality setup through the LINK-PP Test Support Center.
Optical Spectrum Test
Check precise laser wavelength calibration and frequency stability.
Eye Pattern Test
Evaluate signal cleaness and optical wave shape distortion.
Bit Error Rate Test
Quantify data integrity during high-speed packet transmission cycles.
Temperature Test
Validate operational reliability within varying thermal hardware environments.
Product Shipping for Generic CWDM-SFP10G-20S Compatible LINK-PP 10.7G SFP+
We prioritize safe and prompt transit for your optical module shipments. Our global fulfillment setup guarantees secure, timely delivery to your facilities.
Anti-Static Protective Packaging
Shield delicate electronics against electrostatic discharge hazards during handling.
Shock-Resistant Transport Protection
Safeguard optical components from physical vibrations during transit routes.
Fast Order Processing and Dispatch
Accelerate warehouse fulfillment times for immediate shipping readiness.
Global Logistics and International Delivery
Coordinate worldwide shipping routes to reach global enterprise destinations.
Deploying this CWDM-SFP10G-20S 10G CWDM optical module is straightforward: slide it into any standard SFP+ port and attach the LC patch cables. Its plug-and-play operation ensures rapid setup, making it an excellent choice for expanding capacity in regional telecom infrastructure and enterprise WDM transport systems.
CWDM-SFP10G-20S Technical Support
LINK-PP offers end-to-end technical support, from pre-sales consultation to post-deployment assistance, ensuring smooth integration and reliable network performance.
Pre-Sales Technical Consultation
Professional guidance to help you select the optimal CWDM-SFP10G-20S module for your network design and application needs.
Compatibility Verification Support
Validated compatibility with LINK-PP switches and other mainstream networking platforms for seamless deployment.
Deployment & Installation Assistance
Comprehensive step-by-step guidance for installation, configuration, and initial setup, ensuring accurate deployment and reliable, stable operation from the start.
Long-Term Technical Assurance
Ongoing technical support throughout the product lifecycle, delivering long-term stability for enterprise and carrier-grade networks.
A:
No, Duplex LC setups require both paths to be clean; a pinched strand will immediately cause high CRC errors or drop the link. By
admin on
2026-04-15
A:
Yes, but keep an eye on your link loss budget. Every patch panel adds light attenuation, so make sure your total link loss doesn't exceed the module's power budget. By
admin on
2026-02-28
A:
No, this is a dedicated CWDM 1350nm module. It must match a 1350nm channel port on a passive CWDM Mux/Demux to function correctly. By
admin on
2026-01-04
A:
Yes, the all-metal zinc alloy housing offers superb electromagnetic interference (EMI) protection, which is essential for busy telecom racks. By
admin on
2025-03-28
Flawless 10G CWDM links. Swapped out generic optics for these LINK-PP 1350nm modules in our main campus ring, and they clicked right in without an issue.
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character.
494619
407464
F***l
United States
Verified
Purchase
5 .0
2026-03-06
We migrated our core switches to 10G and needed a specific 1350nm channel for our grid. LINK-PP offered a perfect balance of reliability and affordability. They slide into the cages seamlessly, and the bale clasp mechanisms feel rugged enough for multiple hot-swaps.
Please write comments with more than three
character.
494619
407466
D***x
Japan
Verified
Purchase
5 .0
2026-01-09
Used these 10G 1350nm SFP+ optics for expanding our local wireless base station backhaul runs. The 20km range over single-mode fiber gives us plenty of optical margin. Even in a dense patch panel setup, the heat dissipation is quite acceptable. Will buy more for the next phase.
Please write comments with more than three
character.
494619
407465
F***m
Belgium
Verified
Purchase
4 .0
2026-01-06
These 1350nm SFP modules work exactly as advertised in our campus core switches. The 20km link is perfectly stable. My only complaint is that the package spent 3 days sitting at the local customs hub waiting for routine clearance paperwork. The hardware itself is top-notch!
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character.
494619
407471
A***h
Singapore
Verified
Purchase
5 .0
2025-12-03
Our field deployment team was tasked with linking a remote engineering laboratory to our primary data center over a long span of single-mode fiber infrastructure. The measured line attenuation was quite close to the maximum budget for typical 20km optics due to several legacy patch fields. However, these LINK-PP LS-CW3510-20C Duplex LC SMF modules exhibited excellent receiver sensitivity. We subjected the link to a 48-hour RFC 2544 bit error rate test (BERT) at full 10Gbps throughput, and it came back with zero dropped packets and absolute frame consistency. The mechanical build quality is top-notch; the LC duplex receptacle provides a reassuringly positive click engagement.
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character.
494619
407468
C***e
Ireland
Verified
Purchase
5 .0
2025-09-27
As a regional ISP, we require robust, commercial-grade optical transceivers that don't fail during hot summer days in indoor server rooms. The LINK-PP LS-CW3510-20C has proved to be exceptionally resilient. Even when the ambient rack temperatures hit the upper limits of our commercial grade 0-70°C specifications, the internal MCU maintains stable bias currents for the 1350nm laser. The module complies perfectly with MSA protocols, allowing it to be hot-plugged directly into our devices without throwing kernel panic logs or unmanaged physical interface status states. The data throughput remains steady at 10Gbps under full broadband carrier load tests.
Please write comments with more than three
character.
494619
407463
G***s
France
Verified
Purchase
5 .0
2025-06-04
Bought these CWDM SFP modules for an enterprise network expansion project. They are packaged in standard industrial blister boxes—nothing fancy, but highly functional. On the technical side, the 20km Duplex LC optics perform beautifully on our single-mode fiber infrastructure runs. Zero CRC errors recorded.
Please write comments with more than three
character.
494619
407467
E***l
Republic of Korea
Verified
Purchase
5 .0
2025-03-19
We deployed a batch of LINK-PP LS-CW3510-20C SFP+ modules across our multi-tenant metro ring network. When dealing with grid upgrades, ensuring the 1350nm DFB laser stays true to its wavelength center under high switch chassis port density is critical. These modules maintained an incredibly tight spectral width. The DOM parameters integrated flawlessly via SNMP into our network management software, providing accurate real-time metrics on laser bias current and received optical power. For network engineers searching for reliable, budget-friendly 10G SFP+ CWDM 1350nm 20km transceiver modules, this is a phenomenal alternative to high-priced first-party components.
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