DW-SFP10G40-31-I, a 10G SFP+ DWDM optical transceiver operating at 1552.52nm (Channel 31), enables duplex LC single-mode fiber reach up to 40km while integrating real-time Digital Optical Monitoring (DOM) across an extended -40°C to +85°C temperature spectrum.
Generic Part Number
DW-SFP10G40-31-I
Vendor Name
LINK-PP
Form Factor
SFP+
Max Data Rate
10.7Gbps
Wavelength
1552.52nm
Max Cable Distance
40km
Connector
Duplex LC
Media
SMF
Transmitter Type
EML
Receiver Type
PIN
TX Power
-1 to +2dBm
RX Power
-16 to -1dBm
Receiver Sensitivity
-15.5dBm
DOM Support
Yes
Operating Temperature Range
-40 to 85°C
Protocols
SFP+ MSA Compliant, CPRI, eCPRI
Key Features of Generic DW-SFP10G40-31-I Compatible LINK-PP 10.7G SFP+
Generic DW-SFP10G40-31-I Compatible LINK-PP combines long-reach 10G optical capabilities with dense wavelength division multiplexing (DWDM) in a hot-pluggable form factor. Engineered for industrial environments, it delivers reliable 40km single-mode fiber links at 1552.52nm (Channel C31) while providing real-time diagnostics via digital optical monitoring.
Built around a hot-pluggable SFP+ footprint, this optical transceiver ensures easy field deployment and maintenance without interrupting host system operation. It incorporates a cooled EML laser alongside a PIN photodiode to maintain signal integrity across demanding operating conditions.
DW-SFP10G40-31-I: 10 Gbps Connectivity for Dense Optical Infrastructure
Supporting line rates up to 10Gbps, this module provides the capacity needed for high-density transport networks. It is ideal for metro aggregation, enterprise backbones, and industrial Ethernet links that demand fast data throughput.
DW-SFP10G40-31-I Module with DWDM Technology for Fiber Efficiency
By leveraging DWDM technology, the transceiver allows multiple data channels to transmit simultaneously over a single optical fiber pair. This significantly increases bandwidth capacity while maximizing existing fiber infrastructure investments.
DW-SFP10G40-31-I Module with 1552.52nm Wavelength
Operating on the fixed 1552.52nm wavelength (ITU Channel C31), this module aligns with standard 100GHz C-band channel grids. This precise optical output ensures clean channel separation and seamless integration with multiplexers and demultiplexers.
Designed for medium- to long-reach links, the module provides a power budget capable of driving signals up to 40km over standard single-mode fiber (SMF). This extended distance capability reduces the need for intermediate optical amplification in regional networks.
DW-SFP10G40-31-I Module with Duplex LC Interface
Featuring an industry-standard duplex LC connector, the optical interface ensures low insertion loss and reliable physical alignment. Its compact connector design allows for high port density on switch line cards and patch panels.
DW-SFP10G40-31-I Module with DOM for Real-Time Monitoring
Integrated Digital Optical Monitoring (DOM) gives network operators continuous visibility into vital operating metrics like optical power, temperature, and laser bias current. This enables proactive maintenance and quick troubleshooting before link failures occur.
Generic DW-SFP10G40-31-I Compatible LINK-PP 10G DWDM module fully complies with international quality, safety, and environmental benchmarks, including ISO 9001, CE, RoHS, and FCC standards.
Each transceiver undergoes rigorous optical power, BER signal integrity, and thermal stress screening to guarantee flawless physical-layer performance.
DW-SFP10G40-31-I Quality Certifications
These regulatory approvals confirm compliance with global safety limits, low electromagnetic interference emissions, and eco-friendly hardware 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.
DW-SFP10G40-31-I Certified for Reliable Host-Device Compatibility
Comprehensive platform validation ensures immediate hardware recognition and seamless optical link negotiation across multi-vendor switches and line cards.
Every DW-SFP10G40-31-I DWDM SFP+ optical module undergoes strict validation to guarantee stable data transmission before deployment. Discover our full testing workflow at the LINK-PP Test Support Center.
Optical Spectrum Test
Check laser output precision to ensure clean signal transmission.
Eye Pattern Test
Evaluate optical signal quality and overall transmitter clarity.
Bit Error Rate Test
Ensure error-free data transfer under heavy network traffic.
Temperature Test
Confirm reliable hardware performance in harsh thermal environments.
Product Shipping for Generic DW-SFP10G40-31-I Compatible LINK-PP 10.7G SFP+
We process orders rapidly to keep network projects moving forward. Secure packaging prevents transit damage across global carrier networks.
Anti-Static Protective Packaging
Prevent electrostatic damage to sensitive internal optical components.
Shock-Resistant Transport Protection
Shield delicate hardware from physical drops and vibration hazards.
Fast Order Processing and Dispatch
Shorten dispatch delays to keep your network projects on schedule.
Global Logistics and International Delivery
Ensure timely door-to-door delivery through proven international freight partners.
Generic DW-SFP10G40-31-I Compatible LINK-PP optical module integrates seamlessly into hot-pluggable SFP+ ports on compatible switches and routers without powering down system hardware. It provides robust 10Gbps connectivity across C-band DWDM architectures, powering metro aggregation networks, enterprise backbones, and harsh industrial environments.
DW-SFP10G40-31-I 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 DW-SFP10G40-31-I 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, this LS-DW3110-40I 10G SFP+ module features a standard duplex LC receptacle and is designed specifically for single-mode fiber transmissions up to 40km without needing external dispersion compensation. By
admin on
2026-02-22
A:
The module runs on a standard single +3.3V power supply with optimized power dissipation. Even under full load in extreme heat, its power draw remains within standard SFP+ envelope specs, avoiding extra thermal stress on your host switch. By
admin on
2025-12-15
A:
Yes. The LS-DW3110-40I DWDM module operates on the standard 100GHz ITU grid at C31 (1552.52nm), allowing direct connection to the C31/1552.52nm channel port of any standard passive DWDM multiplexer. By
admin on
2025-06-14
A:
Not at all. This module uses an industrial-grade cooled EML laser, specifically engineered to maintain precise wavelength stability and low bit-error rates even at the upper thermal limit of +85°C. By
admin on
2025-03-27
Please write comments with more than three
character.
495354
418031
J***s
Nepal
Verified
Purchase
5 .0
2026-02-10
Optical power loss was minimal over our 35km single-mode run, making these a very cost-effective alternative module for passive DWDM system expansions.
Please write comments with more than three
character.
495354
418034
R***r
Japan
Verified
Purchase
4 .0
2026-01-22
These DWDM optical transceivers pass all DOM checks and 40km link tests without a hitch, but regional carrier transit took two days longer than estimated.
Please write comments with more than three
character.
495354
418039
M***h
Bangladesh
Verified
Purchase
5 .0
2025-12-12
Used for base station backhaul over existing single-mode fiber. The 1552.52nm wavelength paired cleanly with our DWDM mux. No handshake issues, and the LC duplex connector is standard for our patch panels.
Please write comments with more than three
character.
495354
418035
E***n
Libyan Arab Jamahiriya
Verified
Purchase
5 .0
2025-11-05
Deployed these DWDM modules across our metro fiber loop spanning about 32km. Optical budget and Tx/Rx power levels via real-time DOM match the datasheet specs spot on.
Please write comments with more than three
character.
495354
418032
J***r
Argentina
Verified
Purchase
5 .0
2025-10-01
From a network ops perspective, these LS-DW3110-40I optical transceivers check every box for DWDM deployments. They align perfectly with standard 100GHz grid muxes and maintain stable wavelength performance under load. The built-in digital diagnostics make troubleshooting straightforward, giving us clear visibility into optical health. Industrial build quality is evident – solid housing, reliable latching, and no thermal issues even in unventilated cabinets.
Please write comments with more than three
character.
495354
418037
L***s
United States
Verified
Purchase
5 .0
2025-08-14
Used in a smart-city fiber backbone with 40km hops between aggregation nodes. Traffic runs 24/7 with virtually no packet loss, and the DOM data feeds directly into our monitoring dashboards for proactive alerts. After months of operation, we haven't had a single failure. The 100GHz channel spacing fits seamlessly into our existing C-band plan without any crosstalk or interference issues.
Please write comments with more than three
character.
495354
418038
C***r
Morocco
Verified
Purchase
5 .0
2025-06-14
Upgraded our remote base station backhaul links last week. The industrial temperature rating (-40°C to +85°C) gives us total peace of mind during summer heat spikes in unconditioned enclosures.
Please write comments with more than three
character.
495354
418033
R***z
Iran, Islamic Republic of
Verified
Purchase
5 .0
2025-05-27
We ran line-rate BER testing and optical power audits across a 38km single-mode duplex LC link using these 10G DWDM optical modules. The real-time DOM telemetry provided accurate optical launch power (+0.5dBm) and receiver sensitivity (-15.8dBm), matching published specifications perfectly. Thermal testing inside our outdoor enclosure verified zero bit errors under sustained ambient temperatures above 70°C. Outstanding choice for industrial-grade DWDM network deployments.
Please write comments with more than three
character.
495354
418040
S***i
United States
Verified
Purchase
5 .0
2024-12-09
I have been using these devices for many years now and find them to be very reliable. The range is more than sufficient. It's inexpensive and reliable.
Please write comments with more than three
character.
495354
418016
K***m
United States
Verified
Purchase
5 .0
2024-03-13
The staff was very helpful. Returned my emails promptly and provided me with answers to my questions. I was so impressed I didn't hesitate to place my order. Great company.
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