CWDM-SFP10G-1490-20 functions as a CWDM 10G SFP+ optical transceiver at 1490nm, featuring a cooled EML laser and PIN photodiode architecture, enabling duplex LC transmission over single-mode fiber for distances reaching 20km, with integrated real-time digital optical monitoring for detailed operational assessment.
Cisco Part Number
CWDM-SFP10G-1490-20
Vendor Name
LINK-PP
Form Factor
SFP+
Max Data Rate
10.7Gbps
Wavelength
1490nm
Max Cable Distance
20km
Connector
Duplex LC
Media
SMF
Transmitter Type
EML
Receiver Type
PIN
TX Power
-1 to +5dBm
RX Power
-23 to -6dBm
Receiver Sensitivity
<-16dBm
DOM Support
Yes
Operating Temperature Range
0 to 70°C
Protocols
SFP+ MSA Compliant, CPRI, eCPRI, ITU-T G.652
Key Features of Cisco CWDM-SFP10G-1490-20 Compatible LINK-PP 10.7G SFP+
Cisco CWDM-SFP10G-1490-20 Compatible LINK-PP module is a CWDM 10G SFP+ transceiver operating at 1490nm for up to 20km over single-mode fiber. It integrates wavelength multiplexing capability, duplex LC connectivity, and digital monitoring to support efficient and manageable optical links. The design aligns with standard SFP+ requirements while ensuring stable transmission in CWDM deployments.
Built with a hot-pluggable SFP+ form factor, this optical module allows quick installation and replacement directly on active equipment. Compliance with SFP+ MSA and SFF-8472 ensures interoperability with mainstream switches and routers. It also supports standardized digital diagnostics and electrical interfaces.
CWDM-SFP10G-1490-20: 10 Gbps Connectivity for Metro Optical Networks
With support for 10Gbps data rates, it enables consistent bandwidth delivery across metro and aggregation networks. The transceiver fits well in scenarios where stable point-to-point optical links are required. It helps maintain reliable data flow between network nodes over medium distances.
CWDM-SFP10G-1490-20 Module with CWDM Technology for Fiber Efficiency
CWDM functionality allows different wavelength signals to share a single fiber, reducing the need for additional fiber deployment. This approach helps optimize existing infrastructure and supports flexible network scaling. It is especially useful in environments with limited fiber resources.
CWDM-SFP10G-1490-20 Module with 1490nm Wavelength
Operating at 1490nm, this module fits within the CWDM wavelength plan for multi-channel transmission. It allows coordinated operation with other CWDM wavelengths on the same fiber. The selected wavelength supports stable signal propagation in standard SMF environments.
The transceiver supports link distances of up to 20km on single-mode fiber, making it suitable for campus-to-campus or metro access connections. It maintains consistent optical output and receiver sensitivity over this range. This capability helps reduce the need for signal regeneration in medium-distance links.
CWDM-SFP10G-1490-20 Module with Duplex LC Interface
Equipped with a duplex LC interface, it separates transmit and receive paths for bidirectional communication. The compact connector type supports high port density in networking equipment. It also ensures straightforward connection with standard fiber patch cords.
CWDM-SFP10G-1490-20 Module with DOM for Real-Time Monitoring
Real-time digital optical monitoring provides access to key operating data such as optical power levels and module temperature. This allows network operators to observe link conditions without additional tools. It also supports faster troubleshooting and ongoing performance verification.
Cisco CWDM-SFP10G-1490-20 Compatible LINK-PP module is produced under standardized quality systems and meets international requirements including ISO 9001, CE, RoHS, and FCC for safety and compliance.
Comprehensive testing procedures are applied to verify optical parameters, signal integrity, and overall module functionality.
CWDM-SFP10G-1490-20 Quality Certifications
Manufacturing and validation processes are aligned with industry practices to ensure consistent product reliability.
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-1490-20 Certified for Reliable Host-Device Compatibility
Extensive interoperability verification is carried out with a variety of mainstream networking platforms, enabling consistent communication with switches, routers, and other SFP+ enabled devices.
Cisco CWDM-SFP10G-1490-20 Compatible LINK-PP passes a series of tests to ensure consistent optical output and stable link performance in real operating environments. Learn more at LINK-PP Test Support Center.
Optical Spectrum Test
Check spectral profile and wavelength consistency for stable transmission.
Eye Pattern Test
Assess signal waveform quality and timing accuracy during operation.
Bit Error Rate Test
Confirm low error performance under continuous high-speed data transmission.
Temperature Test
Monitor operation stability under varying environmental temperature conditions.
Product Shipping for Cisco CWDM-SFP10G-1490-20 Compatible LINK-PP 10.7G SFP+
Cisco CWDM-SFP10G-1490-20 Compatible LINK-PP module is carefully prepared to ensure safe handling and stable condition during transit. Efficient processes help maintain timely and reliable delivery.
Anti-Static Protective Packaging
Employ specialized packaging solutions to minimize electrostatic risks during transit and storage.
Shock-Resistant Transport Protection
Incorporate cushioning packaging design to minimize damage from impact, vibration, and external forces.
Fast Order Processing and Dispatch
Manage order flow efficiently to shorten preparation time and support prompt dispatch.
Global Logistics and International Delivery
Arrange shipping through logistics partners to enable dependable international delivery.
Cisco CWDM-SFP10G-1490-20 Compatible LINK-PP CWDM 10G SFP+ module is designed for simple deployment by inserting into SFP+ slots and connecting LC fiber cables. It is used in metro and access networks, as well as enterprise links, where CWDM technology supports flexible capacity expansion and efficient fiber utilization.
CWDM-SFP10G-1490-20 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-1490-20 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:
Yes, it has a hot-pluggable SFP+ footprint, allowing safe insertion or removal without rebooting the switch or interrupting neighboring traffic. By
admin on
2026-03-13
A:
The cooled EML laser maintains a tight spectral grid, ensuring clear channel isolation without bleedover into neighboring 1470nm or 1510nm channels on your MUX tray. By
admin on
2025-10-26
A:
Yes, as long as your passive MUX tray includes a designated 1490nm wavelength channel, it will filter and combine cleanly with zero crosstalk. By
admin on
2025-06-14
A:
It should cover the distance under normal conditions, but you'll want to calculate your total optical loss budget first. While the EML laser is rated for 20km over SMF, older OS1 fiber and extra patch panel splices add attenuation — if total link loss stays under the module's rated power margin, the connection will hold stable. By
admin on
2025-01-31
We used this 1490nm 10G SFP+ CWDM module to connect two office buildings on existing single-mode fiber. The route is just under 14km and the link came up cleanly at 10Gbps with stable DOM values. A practical choice when you need more capacity without pulling additional fiber.
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483232
415142
D***e
Poland
Verified
Purchase
5 .0
2026-02-19
The built-in digital optical monitoring feature gives us exact Rx power readings and operating temperature metrics. It makes troubleshooting physical layer link health across our 15km fiber span super straightforward.
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483232
415152
C***n
Israel
Verified
Purchase
4 .0
2026-01-15
The modules arrived safely and matched the requested 1490nm CWDM specification. Tracking information was not updated for part of the journey, but the final delivery was still completed without any problem.
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483232
415144
N***r
Austria
Verified
Purchase
5 .0
2025-12-08
We tested the module in a mixed-vendor environment after confirming the required coding before shipment. It established a stable 10G link and did not show alarms during our packet-loss and throughput tests. For a CWDM 1490nm 20km link, it delivered what we needed.
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483232
415151
D***r
South Africa
Verified
Purchase
5 .0
2025-11-11
Ordered these 10G optical modules for a CWDM upgrade in a private data center environment. The Duplex LC connection was straightforward, and the modules reported temperature, voltage, TX power, RX power, and bias current correctly through the switch diagnostics page. Nice to have that visibility during commissioning.
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483232
415141
D***h
Turkey
Verified
Purchase
5 .0
2025-10-05
We purchased these for a phased data center interconnect project, where the goal was to add 10G capacity on existing fiber rather than lease more strands. The module’s 1490nm wavelength, 20 km SMF reach, and SFP+ MSA compliance aligned with the design requirements. Before deployment, our team ran compatibility checks and verified that each unit was coded for the intended host environment.
The installation process was straightforward: insert the modules, connect Duplex LC single-mode fiber, clean the end faces, confirm wavelength alignment through the CWDM MUX, and review the DOM readings. In production, the modules have maintained stable 10Gbps operation with no packet-loss events attributed to the optics. The ability to view TX/RX optical power has been especially useful for preventive maintenance and troubleshooting patch-panel issues. For building a 10G CWDM campus or metro link, this is a sensible commercial-grade option.
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483232
415145
O***t
New Zealand
Verified
Purchase
5 .0
2025-07-19
Our campus needed a 1490nm 10G CWDM SFP+ module for one of the remaining open channels on the MUX. This transceiver matched the wavelength plan and worked well over OS2 SMF with duplex LC patching. Installation was routine and the diagnostics were available right away.
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483232
415149
M***r
Ireland
Verified
Purchase
5 .0
2025-06-25
We paired these 1490nm CWDM SFP+ optical transceivers with a passive CWDM MUX/DEMUX chassis to consolidate multiple 10G links over a single dark fiber pair. Sensitivity on the receiver end handled attenuation comfortably, even after routing through two patch panels and a fiber splice tray. Real-time DDM optical power readouts allowed our monitoring system to trigger precise health alerts without needing external inline optical taps. The physical construct of the metal casing ensures efficient passive heat sinking. It proved to be a reliable, cost-effective building block for our regional network expansion.
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character.
483232
415143
D***n
Belgium
Verified
Purchase
5 .0
2025-05-14
Good fit for high-density SFP+ switch deployments. The modules seated properly, ran cool in our indoor racks, and reported sensible optical levels during burn-in. We especially liked having a 20km 10G CWDM module instead of overbuilding the link with a longer-reach part.
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character.
483232
415150
L***k
Hungary
Verified
Purchase
4 .0
2025-04-28
The product packaging protected the transceivers properly, and every 10G CWDM module passed our incoming inspection. One corner of the master carton was compressed, so stronger outer-box protection would be helpful for international shipments.
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483232
415157
D***s
Romania
Verified
Purchase
5 .0
2025-02-05
We pushed this 1490nm CWDM SFP+ module close to its rated 20km limit on an outdoor fiber plant. Signal attenuation stayed well within operational thresholds, ensuring solid bit-error-rate stability.
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483232
415153
P***l
Malaysia
Verified
Purchase
5 .0
2025-01-08
This LS-CW4910-20C CWDM SFP module is doing 10G backhaul between our aggregation room and a remote indoor radio hub. The 1490nm wavelength fits our CWDM channel plan, and the 20km reach gave us enough headroom for the actual fiber path. No link flaps after several weeks.
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character.
483232
415132
M***s
Hong Kong
Verified
Purchase
5 .0
2024-07-13
cheap and high quality. The items arrived a day earlier than expected and were all correct and easy to install. The customer service is great, the confirmation and delivery emails are worth just buying something again.
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character.
483232
415138
D***n
Finland
Verified
Purchase
5 .0
2024-01-16
There were nothing to complain for this online shopping transaction, nice service and good products. It was quick, easy, with merchandise offered in great selections at competitive prices. Also, I'd like to express my thanks for the Account Manager She is really patient and helpful.
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