EX-SFP-10GE-CWE57-20 functions as a 1570nm 10G SFP+ CWDM transceiver that leverages a cooled EML laser and PIN photodiode architecture, supports transmission distances up to 20km over single-mode fiber via duplex LC interface, and provides digital optical monitoring for continuous operational insight.
Juniper Part Number
EX-SFP-10GE-CWE57-20
Vendor Name
LINK-PP
Form Factor
SFP+
Max Data Rate
10.7Gbps
Wavelength
1570nm
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
Receiver Overload
0dBm
Operating Temperature Range
0 to 70°C
Protocols
SFP+ MSA Compliant, CPRI, eCPRI, ITU-T G.652
Key Features of Juniper EX-SFP-10GE-CWE57-20 Compatible LINK-PP 10.7G SFP+
Juniper EX-SFP-10GE-CWE57-20 Compatible LINK-PP module is a commercial 10G CWDM transceiver designed for 1570nm operation with a transmission reach of up to 20km over single-mode fiber. It integrates CWDM wavelength multiplexing, duplex LC connectivity, and digital optical monitoring to support efficient link management. The design focuses on stable signal delivery, flexible deployment, and clear visibility into operating conditions.
Featuring a hot-pluggable SFP+ form factor, this optical module allows for seamless insertion and removal during system operation. Compliance with SFP+ MSA and SFF-8472 ensures reliable compatibility across mainstream networking platforms. Such standardization helps simplify integration into existing infrastructures.
EX-SFP-10GE-CWE57-20: 10 Gbps Connectivity for Backbone Links
A 10Gbps data rate enables consistent throughput for backbone transmission where stable bandwidth is required. It supports continuous data exchange across aggregation and core segments. This makes it suitable for handling structured, high-volume traffic flows.
EX-SFP-10GE-CWE57-20 Module with CWDM Technology for Fiber Efficiency
By using CWDM technology, multiple signals can share the same fiber through different wavelengths. This approach helps maximize fiber usage without increasing physical cabling. It offers a cost-effective way to scale network capacity.
EX-SFP-10GE-CWE57-20 Module with 1570nm Wavelength
The 1570nm operating wavelength aligns with CWDM channel spacing, supporting stable optical performance. It helps maintain signal integrity over extended fiber links. This also allows easy integration into standard CWDM systems.
Designed to support transmission distances up to 20km, it fits medium-range single-mode fiber deployments. This capability supports connections across distributed network points. It ensures consistent communication over extended spans.
EX-SFP-10GE-CWE57-20 Module with Duplex LC Interface
The duplex LC interface provides dedicated transmit and receive paths, enabling stable bidirectional communication. This connector type is widely adopted, making it easy to deploy with existing fiber infrastructure. It also supports efficient cable management in dense environments.
EX-SFP-10GE-CWE57-20 Module with DOM for Real-Time Monitoring
With built-in digital optical monitoring, key parameters such as optical power, temperature, bias current, and voltage can be tracked in real time. This allows quick identification of abnormal conditions during operation. It helps improve maintenance efficiency and system reliability.
Juniper EX-SFP-10GE-CWE57-20 Compatible LINK-PP follows certified quality management processes and meets ISO 9001, CE, RoHS, and FCC standards, confirming compliance with key regulatory and safety requirements for global deployment.
A structured testing program is applied to verify optical performance, signal stability, and basic reliability, ensuring each SFP+ module meets defined quality benchmarks before release.
EX-SFP-10GE-CWE57-20 Quality Certifications
The module aligns with established industry compliance practices, supporting dependable manufacturing processes and adherence to key regulatory expectations.
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-CWE57-20 Certified for Reliable Host-Device Compatibility
Compatibility validation is performed with various host devices to ensure proper recognition, stable link establishment, and dependable operation in SFP+ interfaces.
Juniper EX-SFP-10GE-CWE57-20 Compatible LINK-PP 10G SFP+ module is validated through comprehensive testing procedures to confirm consistent optical output and electrical stability across operating conditions. For additional details, visit the LINK-PP Test Support Center.
Optical Spectrum Test
Analyze spectral distribution and confirm precise wavelength alignment.
Eye Pattern Test
Inspect signal waveform to ensure clear and stable transmission.
Bit Error Rate Test
Monitor error rates to confirm accurate data transmission performance.
Temperature Test
Examine module behavior under varied temperature operating ranges.
Product Shipping for Juniper EX-SFP-10GE-CWE57-20 Compatible LINK-PP 10.7G SFP+
Juniper EX-SFP-10GE-CWE57-20 Compatible LINK-PP 10G SFP+ module is prepared using standardized handling procedures to help maintain product integrity during storage and transportation. Shipment operations are arranged to ensure smooth processing and dependable delivery timeframes.
Anti-Static Protective Packaging
Guard modules against electrostatic effects during packaging and shipment.
Shock-Resistant Transport Protection
Limit vibration and impact exposure throughout the delivery process.
Fast Order Processing and Dispatch
Accelerate order workflows to support prompt and organized shipping.
Global Logistics and International Delivery
Facilitate cross-border shipping with stable global logistics coordination.
Juniper EX-SFP-10GE-CWE57-20 Compatible LINK-PP optical module enables efficient setup by simply inserting into compatible SFP+ interfaces, supporting 1570nm CWDM transmission up to 20km over SMF, and fits well in backbone routing, enterprise interconnects, and optical aggregation environments.
EX-SFP-10GE-CWE57-20 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-CWE57-20 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:
The 20km rating represents maximum reach under ideal fiber conditions. For routes with multiple splices and patch panels, you should calculate your total link attenuation — including insertion losses — and ensure it falls comfortably within the module's optical power budget. By
admin on
2026-02-17
A:
No, the LS-CW5710-20C 10G CWDM module is engineered to prevent thermal degradation. Its built-in cooled EML laser and PIN photodiode maintain a stable optical power output, precise 1570nm wavelength accuracy, and error-free line-rate performance up to its full +70°C operating limit. By
admin on
2025-11-09
A:
Yes, the LS-CW5710-20C optical transceiver supports bit rates up to 10.7Gbps, easily covering the CPRI line rates commonly used in LTE and wireless fronthaul deployments. By
admin on
2025-09-24
Please write comments with more than three
character.
483304
414491
P***e
Ireland
Verified
Purchase
5 .0
2026-04-29
Good 10G SFP+ CWDM optics for standard indoor rack deployments. Replaced aging optics in our aggregation layer and observed clean optical power budgets instantly. A practical choice for enterprise optical upgrades.
Please write comments with more than three
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483304
414498
S***e
Austria
Verified
Purchase
5 .0
2026-03-04
We ordered these LS-CW5710-20C optical transceivers for a small data center CWDM deployment and the coding was correct for our switch environment. The module showed up as a 10G SFP+ optic with readable temperature, voltage, TX, and RX power data. Good value for routine enterprise fiber upgrades.
Please write comments with more than three
character.
483304
414493
F***s
Romania
Verified
Purchase
5 .0
2026-02-24
For indoor telecom cabinets and campus aggregation, this 10G 1570nm CWDM SFP+ module does what it should. The EML transmitter provides a clean 20km SMF connection, and the LC duplex interface makes replacements simple for field techs.
Please write comments with more than three
character.
483304
414496
C***r
Libyan Arab Jamahiriya
Verified
Purchase
4 .0
2026-02-14
The 10G link and DOM readings are excellent, and the 1570nm wavelength matched our CWDM plan perfectly. The outer shipping carton had a small dent, although each module inside was protected and worked fine.
Please write comments with more than three
character.
483304
414502
H***s
Denmark
Verified
Purchase
5 .0
2026-01-18
This was part of a 10G fiber uplink refresh for a distributed manufacturing campus. We selected the 1570nm CWDM channel to avoid conflicts with the wavelengths already live on the MUX. Installation was straightforward: insert the SFP+ optical transceiver, connect LC/UPC single-mode jumpers, verify wavelength mapping, then review DOM power levels. The EML/PIN design held stable during our normal indoor operating conditions, and all tested links remained error-free. It is a practical 20km CWDM optic for network teams that need more capacity from an existing fiber plant. ^_^
Please write comments with more than three
character.
483304
414489
Z***n
Belgium
Verified
Purchase
5 .0
2025-11-28
Used this 1570nm 10G CWDM transceiver to connect two office buildings over existing single-mode fiber. The link came up immediately, and the DOM values looked normal from day one. Nice option when you need to add bandwidth without pulling more fiber.
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character.
483304
414492
E***r
Hungary
Verified
Purchase
5 .0
2025-10-15
We used this CWDM-SFP10G-1570 equivalent for a phased data center migration. Instead of installing additional fiber between the main server room and the disaster-recovery site, we reused the existing SMF pair with CWDM wavelengths. The 20km reach was more than enough for our route, while the Duplex LC interface matched the patch panels already in service. The DOM/DDM function was particularly useful during commissioning because we could confirm receive power remotely before sending anyone to the far-end cabinet. Stable under sustained backup and virtualization traffic — no link flaps during our test window.
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483304
414499
B***d
Poland
Verified
Purchase
5 .0
2025-09-17
This 20km CWDM SFP+ module worked well on our 1570nm channel through a passive MUX/DEMUX. Duplex LC/UPC connectors matched our existing patch leads, so installation was fast. No drama, just a stable 10GbE link.
Please write comments with more than three
character.
483304
414490
C***n
Bulgaria
Verified
Purchase
5 .0
2025-08-21
Upon installation into our aggregation switches, the modules initialized immediately. Real-time Digital Optical Monitoring (DOM) provided immediate feedback on TX/RX power levels, operating voltage, and optical transceiver temperature metrics. Power budget calculations lined up precisely with our OTDR sweep data, leaving ample link margin to account for connector insertion loss across patch panels. Thermal stability inside the server rack has remained consistent within standard commercial operating temperatures. Truly reliable optics for enterprise-scale dark fiber transport.
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483304
414501
A***r
Turkey
Verified
Purchase
5 .0
2025-07-11
The transceivers perform exceptionally well on 10G single-mode fiber runs up to 20km. DOM output parameters are fully readable via standard CLI commands. Cost ratio makes bulk infrastructure rollouts much easier on the budget.
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483304
414497
J***n
Finland
Verified
Purchase
5 .0
2025-05-03
We use several wavelength channels across a business park, and this 1570nm CWDM module completed the set nicely. It is a commercial-temperature module, which is exactly what we needed for an indoor MDF rack. DOM monitoring helps our team catch dirty connectors before they become outages.
Please write comments with more than three
character.
483304
414484
C***n
Philippines
Verified
Purchase
5 .0
2023-04-14
My experience with LINK-PP is the best. Everytime I need something this is the first place I search. It is so easy to do business with you and to find what I need without the hassle.
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