The CW-SFP10G40-31-I module, engineered as a 10G CWDM optical transceiver module, integrates a cooled EML laser and a PIN photodiode to ensure precise 1310nm signal propagation over single-mode fiber links reaching up to 40km. Designed with integrated digital optical monitoring, it grants real-time telemetry on critical operational metrics like optical power and temperature to streamline link management.
Key Features of FS CW-SFP10G40-31-I Compatible LINK-PP 10.7G SFP+
FS CW-SFP10G40-31-I Compatible LINK-PP module is an industrial-grade 10G SFP+ CWDM optical transceiver module for long-distance fiber connections. It supports 1310nm wavelength, 40km transmission, Duplex LC interface, and DOM monitoring. This module is suitable for edge data centers and related industrial network applications.
CW-SFP10G40-31-I module uses a hot-pluggable SFP+ footprint for easy installation and replacement. It is compliant with SFP+ MSA and SFF-8472 for better compatibility. This design supports use in industrial network equipment.
CW-SFP10G40-31-I: 10 Gbps Connectivity for Edge Data Centers
This transceiver delivers 10Gbps data transmission for stable network performance. It is well suited for edge data centers that need fast fiber connectivity. This speed helps support industrial data links and network expansion.
CW-SFP10G40-31-I Module with CWDM Technology for Fiber Efficiency
CWDM technology helps send multiple signals over the same fiber pair. It improves fiber efficiency and reduces the need for extra cable resources. This is useful in industrial network systems with limited fiber capacity.
CW-SFP10G40-31-I Module with 1310nm Wavelength
The 1310nm wavelength supports reliable optical transmission over long distances. It helps maintain stable signal quality in industrial fiber networks. This makes it a practical choice for related network applications.
This module supports transmission up to 40km. It is designed for long-reach fiber links in industrial network environments. The distance range helps connect devices across separate sites or buildings.
CW-SFP10G40-31-I Module with Duplex LC Interface
The duplex LC interface provides a compact and standard fiber connection. It supports easy installation in industrial network equipment. This interface also helps keep the connection secure and neat.
CW-SFP10G40-31-I Module with DOM for Real-Time Monitoring
DOM allows real-time monitoring of important operating data. Users can check temperature, voltage, bias current, and optical power during use. This helps improve maintenance and keep industrial networks running smoothly.
FS CW-SFP10G40-31-I Compatible LINK-PP module is certified to meet ISO 9001 quality management standards, along with CE, RoHS, and FCC compliance for industrial optical use.
Before delivery, the module is checked through a quality testing program that covers optical performance, signal stability, and working reliability.
CW-SFP10G40-31-I Quality Certifications
These certifications show that this CWDM SFP+ module is built and controlled under clear quality rules for consistent product output.
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.
CW-SFP10G40-31-I Certified for Reliable Host-Device Compatibility
Compatibility verification is performed to help ensure proper operation with supported host systems and to reduce integration risk in practical deployment.
Each SFP+ module is tested under strict conditions to confirm stable signal quality and dependable operation in real network environments. For more details, visit LINK-PP Test Support Center.
Optical Spectrum Test
Analyze the optical spectrum to verify wavelength accuracy and signal consistency.
Eye Pattern Test
Evaluate the eye diagram to check signal quality and transmission integrity.
Bit Error Rate Test
Measure the bit error rate to confirm data accuracy during transmission.
Temperature Test
Test performance across different temperatures to ensure stable operation.
Product Shipping for FS CW-SFP10G40-31-I Compatible LINK-PP 10.7G SFP+
The CW-SFP10G40-31-I module is prepared with care to help protect product condition during shipment. We also work to process orders efficiently so delivery can move forward without unnecessary delay.
Anti-Static Protective Packaging
Protect the module from static damage during handling.
This CW-SFP10G40-31-I industrial-grade CWDM module seamlessly expands network capacity over long distances without laying extra fiber. After hot-swapping the module into your switch and connecting duplex LC cables, it provides low-latency connectivity for outdoor surveillance, smart grids, and edge data centers.
CW-SFP10G40-31-I 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 CW-SFP10G40-31-I 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:
It uses a standard duplex LC connector and operates over standard single-mode fiber. While standard patch cords are generally suitable, we always recommend verifying that your connector end-faces are clean and insertion loss remains low to ensure stable link performance. By
admin on
2026-02-08
A:
No, this LS-CW3110-40I CWDM module uses an internal cooled EML laser rather than an uncooled DFB laser. The built-in cooler locks the 1310nm central wavelength precisely on-channel, preventing channel drift and link drops under extreme thermal swings. By
admin on
2026-01-07
A:
The module has a hot-pluggable SFP+ footprint per MSA. Hot-plug is safe; brief link flaps are normal as the PHY re-trains. Keep firmware updated and DOM thresholds reasonable to avoid false alarms. By
admin on
2025-12-23
A:
Yes, the LS-CW3110-40I fully complies with the SFP+ MSA standard. We pre-code the EEPROM specifically for your switch brand (Cisco, Juniper, Brocade, etc.) before shipping, so it is plug-and-play with no vendor-lock alarms. By
admin on
2025-07-06
A:
Yes, the module is designed to connect directly into the dedicated 1310nm port (or 1310nm band port) on your standard CWDM Mux/Demux, allowing you to expand network capacity over a single fiber pair smoothly. By
admin on
2025-05-22
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495368
449846
V***l
Brazil
Verified
Purchase
4 .0
2025-12-01
Customs held the freight package for an extra day, causing a slight install delay. The transceiver itself is excellent — connected over single-mode fiber with clean 1310nm optical levels and zero packet drops.
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495368
449857
D***t
Germany
Verified
Purchase
5 .0
2025-11-02
Replaced older standard optics with these 40km CWDM SFP+ modules for our inter-datacenter cross-connect. Link budget headroom is generous, and thermal dissipation inside a packed 1U chassis remains optimal.
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495368
449853
Z***k
United Kingdom
Verified
Purchase
5 .0
2025-10-28
Our team deployed these modules in a small carrier backhaul network with mixed indoor and outdoor sites. We ran a 72-hour stress test with temperature changes and heavy 10G traffic, and the links never flapped or raised alarms. The industrial temperature rating is real — the modules keep working smoothly in cold nights and hot days without manual intervention. Integration with our network management system is straightforward using standard DOM monitoring.
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495368
449854
J***e
Bangladesh
Verified
Purchase
5 .0
2025-10-19
Using them in LTE/5G backhaul from remote sites to aggregation; industrial −40 to 85°C rating handles rooftop and street cabinets nicely, no thermal shutdowns so far.
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495368
449848
X***z
Australia
Verified
Purchase
4 .0
2025-03-03
The courier managed to squash the outer shipping carton, but thankfully the internal anti-static packaging protected the transceiver. Plugged it in, DOM readings are spot-on, and the 10G link locked instantly over 25km.
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495368
449850
W***y
India
Verified
Purchase
4 .0
2025-01-18
The serial and wavelength text on the module sticker is slightly small and hard to read inside a dim rack. Once inserted, the switch CLI pulled all SFF-8472 digital diagnostics perfectly and performance is 100% stable.
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495368
449838
H***i
United Arab Emirates
Verified
Purchase
5 .0
2023-11-08
The service is great. The staff at l-p.com went out of her way to make sure I was happy with my order, and I selected the right 100BASE-BX Sfp Cage module. I will buy the fiber products from here for future.
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495368
449840
Y***i
Australia
Verified
Purchase
5 .0
2023-06-28
Excellent support, super Fast delivery, competitive pricing & very good 10/25/40G Transceiver Modules (cant see differences vs other brands) - highly recommend.
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495368
449839
B***s
Italy
Verified
Purchase
5 .0
2023-01-17
Outstanding service. Our order was verified by email within minutes of placing it and was shipped the same day. Product arrived well packed andin perfect condition. Doesn;t get any better than that.
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