The Ciena CWDM-SFP10G-1270-I Compatible LINK-PP 10G SFP+ optical transceiver module supports data rates of up to 10.7Gbps over single-mode fiber (SMF) and has a transmission range of up to 40km at a wavelength of 1270nm.
Key Features of Ciena CWDM-SFP10G-1270-I Compatible LINK-PP 10.7G SFP+
Designed for high-performance optical networks, the Ciena CWDM-SFP10G-1270-I Compatible LINK-PP SFP+ CWDM module provides long-reach 10G connectivity over single-mode fiber. With transmission distances of up to 40 km at 1270 nm and support for 10.7 Gbps data rates, it is well suited for enterprise backbone links, data center uplinks, metropolitan access networks, and CWDM optical transport systems.
The Ciena CWDM-SFP10G-1270-I Compatible LINK-PP includes a CWDM cooled EML laser transmitter with a high-sensitivity PIN photodiode combined with a trans-impedance amplifier (TIA) and an intelligent MCU control system. This architecture ensures stable optical output, low bit-error rates, and reliable long-term performance.
CWDM-SFP10G-1270-I: 10 Gbps Connectivity for Next-generation Networks
This Ciena CWDM-SFP10G-1270-I Compatible LINK-PP SFP+ optical module supports 10G Ethernet connectivity, offering a practical upgrade from 1G infrastructure to higher-bandwidth optical networks.
CWDM-SFP10G-1270-I Module with CWDM Technology for Fiber Efficiency
By adopting CWDM (Coarse Wavelength Division Multiplexing) technology, the Ciena CWDM-SFP10G-1270-I Compatible LINK-PP SFP+ module allows multiple optical wavelengths to be transmitted through the same fiber pair, significantly improving fiber utilization and expanding network capacity.
CWDM-SFP10G-1270-I Module with 1270nm Wavelength
Operating at the 1270nm CWDM channel, the Ciena CWDM-SFP10G-1270-I Compatible LINK-PP SFP+ module provides low optical attenuation and stable transmission over SMF, making it suitable for wavelength-division multiplexing environments and medium-to-long distance optical communication systems.
Supporting transmission distances of up to 40 kilometers at 10Gbps, this CWDM SFP+ module is perfect for metro aggregation networks, enterprise campus backbones, telecom access infrastructure, and long-distance data center interconnections.
CWDM-SFP10G-1270-I Module with Duplex LC Interface
The optical transceiver module comes with a standard duplex LC connector for straightforward installation and compatibility with popular fiber cabling systems.
CWDM-SFP10G-1270-I Module with DOM for Real-Time Monitoring
Its Integrated Digital Optical Monitoring (DOM) feature enables real-time tracking of temperature, voltage, TX power, and RX power for easier network management.
To guarantee stable field performance, each Ciena CWDM-SFP10G-1270-I Compatible LINK-PP module undergoes a multi-stage verification process.
CWDM-SFP10G-1270-I Quality Certifications
Each LINK-PP module complies with recognized international certifications, including ISO 9001 for quality management, the CE mark for safety standards, the RoHS directive for environmental compliance, and the FCC certification for electromagnetic compatibility.
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-I Certified for Reliable Host-Device Compatibility
Each optical module is thoroughly tested to assure consistent interoperability with compatible LINK-PP networking equipment.
The Ciena CWDM-SFP10G-1270-I Compatible LINK-PP SFP+ module has undergone rigorous validation, from wavelength stability verification to environmental durability testing, to assure consistent performance in challenging network deployments. For more information, visit the LINK-PP Test Support Center.
Optical Spectrum Test
Assesses spectral characteristics to prevent wavelength overlap and crosstalk.
Eye Pattern Test
Verifies clean signal edges and acceptable jitter for high-speed links.
Bit Error Rate Test
Determines the error rate to confirm a channel meets performance requirements.
Temperature Test
Confirms reliable performance in both hot and cold environments.
Product Shipping for Ciena CWDM-SFP10G-1270-I Compatible LINK-PP 10.7G SFP+
LINK-PP ensures the safe delivery and fast fulfillment of orders by carefully packaging and shipping every optical module through a global logistics network.
Anti-Static Protective Packaging
Superior ESD-safe packaging provides total protection for the modules.
Shock-Resistant Transport Protection
Shock-resistant packing absorbs movement during shipping.
Fast Order Processing and Dispatch
Refined workflows shorten lead times.
Global Logistics and International Delivery
Global carriers provide punctual cross-region delivery.
With support for 10Gbps data rates over distances up to 40km, the Ciena CWDM-SFP10G-1270-I Compatible LINK-PP SFP+ optical module is suitable for CWDM systems, metro access networks, enterprise backbones, and data center uplinks.
CWDM-SFP10G-1270-I 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-I 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.
A:
Yes, the product page lists Cisco compatibility, and the module is designed as a 10G SFP+ CWDM optic with a 1270nm wavelength, Duplex LC interface and SMF support up to 40km. For a production deployment, we would still recommend confirming the exact Cisco switch model and required CWDM channel before ordering. By
admin on
2026-06-16
A:
Yes. The specified operating case temperature is -40 to +85°C. The module also supports real-time digital diagnostic monitoring, including temperature, supply voltage, bias current, TX optical power and RX optical power, which is useful for remote NOC monitoring and field maintenance. By
admin on
2025-07-28
A:
It is designed for 10G CWDM optical systems and also lists 10GBASE-ZR at 10.3125Gbps, 10GBASE-ZW at 9.953Gbps and LTE systems among its applications. The module supports up to 10.7Gbps, uses a hot-pluggable SFP+ footprint and complies with SFP+ MSA and SFF-8472. By
admin on
2025-05-18
Our team tested the LS-CW2710-40I with several multi-vendor switches before approving it for production. Cisco, Juniper and Dell platforms all established the expected 10G connection in our test matrix. Optical diagnostics were readable, and we had no packet-loss issues during extended traffic testing.
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495111
437064
N***s
Brunei Darussalam
Verified
Purchase
5 .0
2025-09-23
I bought these for a 10G fiber connection between a main office and a remote facility. The link came up immediately, and DOM gave us enough information to verify the optical condition without connecting a separate test instrument. Very practical for field support. :-)
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495111
437066
S***n
Philippines
Verified
Purchase
5 .0
2025-05-27
We deployed a batch of LS-CW2710-40I modules across a mixed Cisco and HPE environment. The SFP+ ports recognized them without any issues, and the 10Gbps links stayed stable during several days of traffic testing. For a 40km single-mode fiber run, these have been very reliable.
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495111
437062
A***z
United Arab Emirates
Verified
Purchase
5 .0
2025-05-02
We used these for a 10G CWDM link between two campus buildings. The 1270nm wavelength matched our existing CWDM plan, and the Duplex LC SMF connection came up immediately on the switch. DOM readings were also visible, which made commissioning much easier.
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495111
437061
S***s
Argentina
Verified
Purchase
4 .0
2025-03-08
The shipment arrived a day later than our original expectation, and one package had a slightly dented outer box. The modules were protected inside and worked correctly after installation. Performance on the 10G 40km SMF link has been fine, so the issue was only with delivery/packaging.
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495111
437067
R***l
Iran, Islamic Republic of
Verified
Purchase
5 .0
2024-12-18
Deployed in a network cabinet where temperatures can fluctuate significantly. The industrial temperature specification was important for us, and the modules remained stable through the environmental test. The 40km SMF reach also gives us useful headroom for future site expansion.
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495111
437065
N***n
Japan
Verified
Purchase
5 .0
2024-08-20
We needed a long-reach 10G SFP+ transceiver for a campus fiber backbone without replacing the existing SMF. The 1270nm CWDM wavelength worked with our channel plan, and the 40km rating gave us plenty of margin for the actual link distance. Installation was straightforward.
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495111
437063
B***s
Brazil
Verified
Purchase
5 .0
2024-07-06
We use CWDM to carry multiple wavelengths over the same single-mode fiber infrastructure. This 1270nm SFP+ module integrated cleanly into the existing setup and maintained a stable 10G link. The SFF-8472 diagnostics are useful for our NOC team because we can monitor optic health remotely.
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495111
437060
K***t
Taiwan, Province of China
Verified
Purchase
5 .0
2024-04-27
For a regional network upgrade, we needed 10G CWDM optics that could work across different OEM switch platforms. These modules made the procurement much easier because we could standardize the same optic across multiple compatible environments. The DOM readings are also helpful when monitoring fiber attenuation and receive levels.
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495111
437071
G***s
Ireland
Verified
Purchase
5 .0
2024-01-24
We installed a pair on a long campus fiber route connecting an aggregation switch to a remote building. The 1270nm wavelength and Duplex LC interface matched our existing CWDM equipment, so there was no need to change the fiber plant. Link stability has been excellent under normal production traffic.
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495111
437070
S***n
Norway
Verified
Purchase
5 .0
2023-10-30
I spent a lot of time looking at the 1000 Base-T Optical Transceiver Module and finally decided on l-p.com. The website was very well done so that eased my mind a bit. When the 1000 Base-T Optical Transceiver Module arrived I was pleased that they looked just as good as it did on the website and worked without problem.
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495111
437059
G***e
Germany
Verified
Purchase
5 .0
2023-03-12
I needed the sfp cage quickly. Did not want to spend a whole lot of time trying to muddle through a complicated website looking for what I wanted. LINK-PP did just that. Up to this point I did not have a favorite site for my needs. Now I do.
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495111
437058
T***i
Philippines
Verified
Purchase
5 .0
2023-02-24
I have used them immediately upon receipt. They work great and I will be placing an order for more soon I hope. Once I move into my new location and need to do a little rewiring.
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