EX-SFP-10GE-CWE39-20 is a specialized 10G SFP+ CWDM optical transceiver module engineered for 20km duplex LC single-mode fiber links, leveraging a precise 1390nm DFB laser and highly sensitive PIN photodiode coupled with integrated digital diagnostic monitoring (DDM) to ensure deterministic signal integrity.
Juniper Part Number
EX-SFP-10GE-CWE39-20
Vendor Name
LINK-PP
Form Factor
SFP+
Max Data Rate
10.7Gbps
Wavelength
1390nm
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
Receiver Overload
0.5dBm
Operating Temperature Range
0 to 70°C
Protocols
SFP+ MSA Compliant, CPRI, eCPRI, ITU-T G.652
Key Features of Juniper EX-SFP-10GE-CWE39-20 Compatible LINK-PP 10.7G SFP+
Juniper EX-SFP-10GE-CWE39-20 Compatible LINK-PP brings commercial-grade 10G capacity to single-mode fiber infrastructure through a precise combination of 1390nm optics, 20km reach, and duplex LC connectivity. This fully monitored platform optimizes existing fiber plants while maintaining strict hardware standard compliance. It serves as a dependable baseline for multi-vendor network integration and aggregation.
Built for seamless system integration, this device adheres strictly to the SFP Multi-Source Agreement (MSA) for universal hardware cross-compatibility. It also supports SFF-8472 digital diagnostics functions to deliver standardized telemetry across various host platforms. These baseline standards ensure reliable plug-and-play installation.
EX-SFP-10GE-CWE39-20: 10 Gbps Connectivity for Metro Edge Aggregation
Engineered to eliminate bandwidth bottlenecks, this hardware provides a sustained 10Gbps line rate for demanding data traffic. It effectively stabilizes data aggregation layers, ensuring fluid throughput at critical network intersections. The increased speed supports dense enterprise workloads without packet degradation.
EX-SFP-10GE-CWE39-20 Module with CWDM Technology for Fiber Efficiency
Utilizing Coarse Wavelength Division Multiplexing allows this unit to isolate traffic on a specific spectral grid channel. This grid separation enables network operators to multiply dark fiber capacity without the massive capital expense of laying new physical cables. It is a highly strategic choice for infrastructure with limited fiber availability.
EX-SFP-10GE-CWE39-20 Module with 1390nm Wavelength
Centered at exactly 1390nm, the internal DFB laser works alongside a sensitive PIN photodiode to achieve clean, jitter-free optical paths. This specific wavelength allocation avoids overlapping with neighboring channels, preventing crosstalk in multiplexed environments. The result is a highly stable and predictable signal transmission.
Optimized for mid-haul spans, the optical budget provides enough signal strength to reliably cover 20km over single-mode fiber (SMF). This distance capability easily bridges separated regional offices, data centers, or campus hubs. It ensures complete link stability over extended geographic layouts.
EX-SFP-10GE-CWE39-20 Module with Duplex LC Interface
The optical ports utilize an industry-standard duplex LC interface to ensure robust, low-loss physical fiber connections. This compact design profile maximizes faceplate density, allowing more ports to fit into tight rack spaces. The secure snap-in locking mechanism prevents accidental link disruptions.
EX-SFP-10GE-CWE39-20 Module with DDM for Real-Time Monitoring
Integrated Digital Diagnostic Monitoring (DDM) delivers live data tracking for critical parameters like laser power, transceiver temperature, and supply voltage. These real-time metrics allow engineers to monitor link health continuously and address potential faults before any downtime occurs. This automation significantly reduces manual troubleshooting hours.
Juniper EX-SFP-10GE-CWE39-20 Compatible LINK-PP 10G SFP+ CWDM transceiver complies with international safety and environmental benchmarks, including ISO 9001, CE, RoHS, and FCC regulations.
Every SFP module undergoes rigorous optical spectrum, signal integrity, and environmental stress testing to guarantee long-term field reliability.
EX-SFP-10GE-CWE39-20 Quality Certifications
These official compliance credentials verify that the hardware meets strict global manufacturing standards for electrical safety and eco-friendly design.
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.
EX-SFP-10GE-CWE39-20 Certified for Reliable Host-Device Compatibility
Extensive interoperability audits ensure seamless plug-and-play performance across a wide variety of industry-standard switches and routers.
Our screening protocol eliminates early component failure through multi-layer diagnostic benchmarks handled entirely within the specialized LINK-PP Test Support Center.
Optical Spectrum Test
Confirm precise channel spacing and grid alignment under load.
Eye Pattern Test
Evaluate waveform geometric symmetry to prevent high-speed distortion.
Bit Error Rate Test
Audit packet transmission thresholds for zero-loss signal delivery.
Temperature Test
Stress-test thermal dissipation layout inside active switch slots.
Product Shipping for Juniper EX-SFP-10GE-CWE39-20 Compatible LINK-PP 10.7G SFP+
Our specialized logistics framework guarantees secure global hardware transit. Every shipment arrives ready for deployment.
Anti-Static Protective Packaging
Neutralize electrical hazards during handling with specialized shielding.
Shock-Resistant Transport Protection
Mitigate mechanical stress and structural vibrations during movement.
Fast Order Processing and Dispatch
Expedite inventory release to accelerate your infrastructure upgrades.
Global Logistics and International Delivery
Navigate cross-border supply chains for seamless regional customs clearance.
Bring 1390nm grid capacity online by latching the transceiver into standard host ports and completing the physical fiber link. This setup immediately optimizes traffic distribution within enterprise distribution layers, cellular mid-haul networks, and multiplexed multi-channel systems across cross-campus environments up to 20km.
EX-SFP-10GE-CWE39-20 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 EX-SFP-10GE-CWE39-20 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:
No, this is a dedicated high-power single-mode CWDM laser that requires standard Single-Mode Fiber (SMF) to maintain link stability and reach. By
admin on
2026-01-11
A:
Yes, the integrated DDM telemetry updates supply voltage and internal module temperature parameters every few seconds directly to your SNMP monitoring stack. By
admin on
2025-09-08
A:
Absolutely. The direct-modulation laser path features near-zero internal processing latency, making it ideal for strict synchronous telco timing architectures. By
admin on
2025-07-11
A:
Yes, the full metal housing provides excellent EMI shielding and minimizes signal crosstalk between closely stacked SFP+ ports. By
admin on
2025-02-04
Perfect fit for high-density enterprise switch stacks. The low power dissipation of these commercial-grade modules keeps our rack thermal load fully manageable. Even when stacked closely together in a 48-port SFP+ switch, they run surprisingly cool.
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character.
491988
409731
J***y
Bangladesh
Verified
Purchase
5 .0
2026-02-22
Our company expanded into a neighboring business park, and we needed to connect the new building's distribution closet back to our primary server room over 10km. To conserve precious fiber cores for future 100G migrations, we chose to deploy a CWDM multiplexing system using these 1390nm optical transceivers. Reliability has been stellar since day one, as the hardware conforms perfectly to all standard IEEE 802.3 and SFP+ MSA protocols. They slide out effortlessly via the extraction pull-tab when moving ports, but seat firmly when locked in.
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491988
409735
A***e
Brunei Darussalam
Verified
Purchase
5 .0
2026-01-17
Impressed with the Digital Optical Monitoring (DOM) integration. We track transceiver status via SNMP in our monitoring dashboard. These 10G 1390nm 20km transceivers show accurate TX/RX power levels and temperature metrics. No weird spikes or protocol-level glitches so far. Solid build quality!
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character.
491988
409729
K***n
Nepal
Verified
Purchase
5 .0
2025-12-22
Operating a mid-sized municipal utility network means we must maximize every dollar of public infrastructure funding. These 10G CWDM transceivers allowed us to upgrade our legacy 1G aggregate links to a robust 10Gbps framework without ditching our existing passive CWDM assets. The modules arrived individually packed in pristine anti-static trays, and the duplex LC interface clicked securely into our fiber setups. We monitored them during a recent major traffic spike, and they maintained zero latency degradation or frame drops.
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character.
491988
409726
B***s
Cambodia
Verified
Purchase
5 .0
2025-10-14
Perfect for our regional office campus fiber network expansion. Needed to scale our metro aggregation layer without laying more glass. These LINK-PP LS-CW3910-20C SFP modules solved it via our existing CWDM mux/demux grid. The 1390nm wavelength channel works perfectly on standard single-mode fiber. (•̀ᴗ•́)و
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491988
409727
T***t
New Zealand
Verified
Purchase
5 .0
2025-06-04
Great stability in standard indoor network closets. Deployed these in our main building MDF. They have been running 24/7 for over one months now without a single flapping link or port reset. Will definitely look into LINK-PP for our next optical hardware refresh.
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character.
491988
409732
L***m
Ukraine
Verified
Purchase
4 .0
2025-05-02
Flawless throughput, but took an extra minute to register on legacy gear. Running this SFP+ 10G CWDM 1390nm unit on our secondary storage network. On our modern Arista switches, it's instant plug-and-play. On an older legacy 10G switch stack, the port spent about 30 seconds blinking amber before turning green and negotiating full speed. Works great now, just be patient on old hardware! ⏳
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491988
409736
G***y
Belarus
Verified
Purchase
5 .0
2025-04-29
Clean single-mode optical performance over 15km. Running these transceivers across a 15km dark fiber span between two corporate offices. Power budget is generous enough for a stable 20km reach, so our light levels are sitting comfortably in the sweet spot. No CRC errors on the port counters.
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491988
409730
L***h
Philippines
Verified
Purchase
5 .0
2025-01-12
We are utilizing these 10G 1390nm 20km SFP transceivers for a regional cell site backhaul project, running standard 10G traffic over a 12km fiber loop. Since these are commercial-grade units, we have them housed inside our climate-controlled central office edge switchboards. Performance is extremely stable, and the average power consumption is remarkably low, which prevents localized overheating on dense 48-port SFP+ cards. The precise DOM telemetry tracks beautifully via SNMP, making proactive link monitoring easy for our team.
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