CW-SFP1G40-47 delivers 1.25Gbps over a 1470nm CWDM channel, using a DFB laser and PIN photodiode as its optical engine. It supports single-mode fiber links up to 40km and continuously reports optical parameters via real-time DDM. The module is qualified for operation from 0°C to +70°C.
Generic Part Number
CW-SFP1G40-47
Vendor Name
LINK-PP
Form Factor
SFP
Max Data Rate
1.25Gbps
Wavelength
1470nm
Max Cable Distance
40km
Connector
Duplex LC
Media
SMF
Transmitter Type
DFB
Receiver Type
PIN
TX Power
-5 to 0dBm
RX Power
-26 to -1dBm
Receiver Sensitivity
-24dBm
Receiver Overload
-1dBm
EMC (Electromagnetic Compatibility)
Supported
DDM Support
Yes
Operating Temperature Range
0 to 70°C
Protocols
SFP MSA、SFF-8472
Key Features of Generic CW-SFP1G40-47 Compatible LINK-PP 1.25G SFP
Generic CW-SFP1G40-47 Compatible LINK-PP module is a commercial-grade CWDM SFP transceiver designed for single-mode fiber links. It operates at 1470nm, supports 40km reach, and includes a duplex LC interface with digital diagnostic monitoring. The module is hot-pluggable, fully compliant with SFP MSA, and rated for 0-70°C operation.
This hot-pluggable 1G SFP module follows the standard SFP footprint for direct insertion into any SFP-compliant port. It meets all mechanical and electrical requirements of the SFP MSA, ensuring interoperability with a wide range of host equipment.
CW-SFP1G40-47: 1 Gbps Connectivity for Fiber Access Backhauls
The 1Gbps line rate provides ample bandwidth for aggregating traffic from cell sites, enterprise access points, or remote terminals. This speed makes the module a practical choice for expanding capacity in fiber-based access backhaul networks.
CW-SFP1G40-47 Module with CWDM Technology for Fiber Efficiency
CWDM technology enables multiple wavelengths to be combined onto a single optical fiber. By using this module, network operators can multiply existing fiber capacity without laying new cables, significantly improving overall fiber utilization.
CW-SFP1G40-47 Module with 1470nm Wavelength
This transceiver operates on the 1470nm channel, which belongs to the standard CWDM grid defined by ITU-T G.694.2. The chosen wavelength allows seamless integration with CWDM multiplexers and demultiplexers in a multi-channel system.
CW-SFP1G40-47 Module Supporting 40km Transmission
The optical design achieves a reliable link distance of up to 40km over single-mode fiber. This reach is enabled by a DFB laser transmitter and a PIN photodiode receiver, which together maintain sufficient optical power budget for long-span connections.
CW-SFP1G40-47 Module with Duplex LC Interface
The duplex LC connector offers a standardized, two-fiber interface for transmit and receive paths. This common physical interface ensures easy mating with standard patch cords and allows straightforward integration into existing panel layouts.
CW-SFP1G40-47 Module with DDM for Real-Time Monitoring
The built-in digital diagnostic monitoring (DDM) function, compliant with SFF-8472, provides real-time access to operating parameters. It continuously reports optical Rx power, Tx power, operating temperature, supply voltage, and laser bias current, facilitating proactive link maintenance and fault detection.
CW-SFP1G40-47 CWDM SFP transceiver is manufactured under strict ISO 9001 standards and complies with CE, RoHS, and FCC regulations. These compliance marks prove that the module meets international safety, environmental, and electromagnetic standards.
Every optical module passes rigorous functional and optical evaluations before leaving the factory. This comprehensive screening minimizes signal degradation and prevents premature hardware failure.
CW-SFP1G40-47 Quality Certifications
This transceiver meets standardized criteria for hazardous substance restrictions and electrical safety. These regulatory baselines govern physical construction and operational boundaries for optical hardware.
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-SFP1G40-47 Certified for Reliable Host-Device Compatibility
The CW-SFP1G40-47 module is thoroughly verified on leading switch and router platforms to ensure plug-and-play capability. It eliminates link errors and maintains stable data transmission across diverse network environments.
Rigorous Testing Ensures Reliable SFP Performance
Comprehensive performance audits clear each CW-SFP1G40-47 1G SFP transceiver for enterprise deployment. Discover our full validation process at the LINK-PP Test Support Center.
Optical Spectrum Test
Verify central wavelength precision to prevent channel crosstalk.
Eye Pattern Test
Evaluate signal waveform clarity to reduce optical jitter.
Bit Error Rate Test
Measure data transmission accuracy under maximum line load.
Temperature Test
Check overall module performance stability under extreme conditions.
Product Shipping for Generic CW-SFP1G40-47 Compatible LINK-PP 1.25G SFP
All CW-SFP1G40-47 1G SFP transceivers are securely packed and dispatched using reliable global transport networks. Each order is handled efficiently to ensure safe and timely arrival worldwide.
Anti-Static Protective Packaging
Protect sensitive optical components against electrostatic discharge during handling.
Shock-Resistant Transport Protection
Shield delicate hardware from physical impact during outer transit routes.
Fast Order Processing and Dispatch
Prepare and release shipments quickly to accelerate standard delivery schedules.
Global Logistics and International Delivery
Ship products reliably across worldwide destinations via established courier partners.
Plug the CW-SFP1G40-47 1G CWDM SFP module directly into active host devices to establish a reliable 1470nm optical link. Designed for fiber access backhaul systems, it connects remote base stations and suburban access nodes to core aggregation points with stable line-rate optical performance.
CW-SFP1G40-47 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-SFP1G40-47 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, the 1470nm wavelength is fully compatible with the ITU-T G.694.2 standard 20nm CWDM grid, operating well within the passband to prevent channel overlap and optical crosstalk across passive multiplexed systems. By
admin on
2026-04-11
A:
The LS-CW471G-40C module features a standard duplex LC optical receptacle and requires 9/125µm single-mode fiber to reach its rated 40km optical reach. By
admin on
2026-01-29
A:
Yes, the transceiver pairs a high-performance 1470nm CWDM DFB laser with a sensitive PIN photodetector to ensure low signal degradation and reliable reception across long single-mode fiber links. By
admin on
2025-11-20
A:
Yes, it features integrated real-time Digital Diagnostic Monitoring (DDM) via the SFF-8472 interface, letting you monitor live internal temperature, supply voltage, laser bias current, and TX/RX optical power. By
admin on
2025-09-28
A:
Yes, the module features a fully compliant hot-pluggable SFP footprint that allows safe live insertion, negotiating instantly at up to 1.25Gbps without disrupting adjacent switch traffic. By
admin on
2025-05-17
Needed to add an extra gigabit channel over our existing fiber pair without pulling new glass. This 1470nm 40km SFP integrated seamlessly into our 8-channel passive CWDM MUX. Digital diagnostics report clean TX power at -2 dBm. Great piece of kit!
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character.
497603
456564
F***r
Turkey
Verified
Purchase
5 .0
2026-05-07
Ordered 30 units for a building-to-building fiber expansion project. The duplex LC SMF patch cables seat securely into the cage, and our NMS pulls real-time temperature, voltage, and optical bias current seamlessly via SNMP.
Please write comments with more than three
character.
497603
456567
J***s
Belarus
Verified
Purchase
5 .0
2026-04-14
Running two of these between our campus buildings over single-mode fiber. The 1470nm CWDM wavelength matched our Mux perfectly, and the 40km reach gives plenty of headroom even with a few extra splices. DDM shows clean TX and RX levels. Happy with the purchase.
Please write comments with more than three
character.
497603
456561
M***y
Hungary
Verified
Purchase
5 .0
2026-01-15
Upgraded our suburban branch office link running through dark fiber. The 40km optical budget gave us plenty of margin across legacy patch panels and intermediate splices. The link came up green within two seconds of insertion.
Please write comments with more than three
character.
497603
456570
K***y
Bulgaria
Verified
Purchase
5 .0
2025-11-22
Fantastic value for campus ring backbone interconnects. Hot-pluggable design makes maintenance super easy, and the latch mechanism releases smoothly without getting stuck inside deep switch port bays.
Please write comments with more than three
character.
497603
456572
O***n
Ireland
Verified
Purchase
5 .0
2025-10-05
Added this 1470nm CWDM module to expand bandwidth between our main facility and a remote warehouse. Clean optical eye pattern, excellent power budget over OS2 single-mode fiber, and no link drops during heavy night-time backup transfers.
Please write comments with more than three
character.
497603
456568
J***n
Romania
Verified
Purchase
5 .0
2025-09-21
Deployed a batch of these CWDM 1G SFP transceivers for a wireless base station backhaul link spanning roughly 32km. DDM monitoring shows stable receiver sensitivity around -24dBm even under fluctuating traffic loads. Highly recommended for regional backhaul extensions.
Please write comments with more than three
character.
497603
456565
I***g
Brunei Darussalam
Verified
Purchase
5 .0
2025-08-27
Replaced an old 1470nm CWDM SFP module with this one and it dropped right in. Same wavelength, same 40km spec, and the power readings are actually more stable. Nice little upgrade for the money.
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character.
497603
456562
N***n
Israel
Verified
Purchase
5 .0
2025-06-25
Solid Gigabit Ethernet CWDM optical modules. We tested the full SFF-8472 digital diagnostic interface, and the calibrated internal measurements matched our external optical power meter within ±0.3 dB. Very dependable hardware.
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character.
497603
456569
B***r
Maldives
Verified
Purchase
4 .0
2025-05-22
Four stars because the delivery took longer than expected, not because of the product. The 1G SFP CWDM module links up great and DDM reads correctly. Just budget extra time for international shipping.
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character.
497603
456563
L***t
Denmark
Verified
Purchase
5 .0
2025-04-28
We run a multi-channel CWDM loop for smart city surveillance nodes. This SFP module handles the 1.25Gbps stream cleanly over 31km of outdoor SMF with ample receiver sensitivity headroom to spare.
Please write comments with more than three
character.
497603
456571
I***y
Ukraine
Verified
Purchase
5 .0
2025-02-05
We use these commercial-grade modules across our indoor aggregation racks (0°C to 70°C). After 30 days of continuous uptime, internal operating temps hover consistently around 38°C with zero link flapping or bit errors.
Please write comments with more than three
character.
497603
456566
G***e
Lithuania
Verified
Purchase
5 .0
2025-01-29
Our regional operations team manages a fiber ring connecting multiple municipal branch offices, and we needed a cost-effective way to deliver dedicated gigabit uplinks over long-distance single-mode fiber runs. We installed this commercial-grade 1G CWDM SFP module into our distribution switch inside an indoor equipment room, and the link came up green the second we plugged it in.
The duplex LC connector housing offers a secure, snug fit for standard single-mode patch cords, and the bail clasp release mechanism makes port maintenance fast and hassle-free in tight rack spaces. Our network monitoring logs have shown flawless performance since day one — zero link flapping, zero dropped frames, and completely stable throughput even during peak working hours. It is easily one of the most reliable and budget-friendly CWDM transceivers we have tested for regional network transport and metro ring deployments.
Singapore · English · SGD
