LS-SM3101-40I is an industrial-grade 155M SFP single-mode optical transceiver module that integrates a sophisticated 1310nm DFB laser and highly sensitive PIN photodetector to guarantee robust, zero-compromise signal integrity over a 40km span, purpose-built to sustain deterministic network links amidst severe thermal environments ranging from -40 to +85°C.
LINK-PP Part Number
LS-SM3101-40I
Vendor Name
LINK-PP
Form Factor
SFP
Max Data Rate
155Mbps
Wavelength
1310nm
Max Cable Distance
40km
Connector
Duplex LC
Media
SMF
Transmitter Type
DFB
Receiver Type
PIN
TX Power
-14 to -8dBm
RX Power
-32 to -6dBm
Receiver Sensitivity
-32dBm
DOM Support
Yes
Operating Temperature Range
-40 to +85°C
Protocols
GR-468, MSA Compliant
Key Features of LINK-PP LS-SM3101-40I 155M SFP
LINK-PP LS-SM3101-40I serves as a ruggedized foundational block for challenging network deployments, unifying extended-range optics and live telemetry into a hot-swappable SFP form factor. This dual-fiber single-mode transceiver is thermally hardened to ensure uncompromised layer-1 stability across wide enterprise and industrial footprints. By consolidating a 40km reach, 1310nm precision, and smart diagnostics, it simplifies long-haul infrastructure management without operational trade-offs.
LINK-PP LS-SM3101-40I 155M SFP Optical Module
Built in strict conformance with the SFP Multi-Source Agreement (MSA), this module guarantees cross-vendor hardware interoperability right out of the box. The optical assembly fully satisfies Class I laser safety requirements, ensuring inherent eye-safe operation under all normal network conditions. Its physical architecture is engineered to sustain continuous data loops through severe industrial shifts from -40 to +85°C.
LS-SM3101-40I: 155 Mbps Connectivity for Industrial Substation Automation
Locking in a steady 155Mbps throughput, this interface targets deterministic Fast Ethernet and SONET networks where timing accuracy is paramount. It delivers a lean, dedicated bandwidth profile that eliminates jitter for critical command telemetry and control signaling. The focused data rate ensures clean protocol transmission without overwhelming sensitive legacy endpoint hardware.
LS-SM3101-40I Module with 1310nm Wavelength
The module leverages a 1310nm optical baseline, matching an advanced DFB laser source with a high-responsivity PIN receiver photodiode. This specific spectral window optimizes light propagation through glass cores by positioning data streams at a natural low-dispersion valley. The result is a highly stable optical waveform that resists signal degradation over miles of single-mode cabling.
LS-SM3101-40I Module Supporting 40km Transmission
Designed to overcome substantial attenuation barriers, the transceiver easily bridges spans up to 40km without the assistance of costly intermediate amplification. This long-haul capability makes it an ideal fit for connecting isolated field equipment back to central distribution hubs. Its generous optical power budget ensures consistent link margins across the entire physical fiber distance.
LS-SM3101-40I Module with Duplex LC Interface
The optical port is terminated with a precision-molded duplex LC receptacle to ensure low insertion loss and repeatable mating cycles. This small-form-factor locking interface provides audible engagement feedback and prevents accidental disconnects from heavy physical vibrations. It allows network installers to maximize port density on crowded faceplates while preserving clean optical alignments.
LS-SM3101-40I Module with DOM for Real-Time Monitoring
The integrated Digital Optical Monitoring (DOM) bus unseals internal diagnostic lanes, feeding real-time operating metrics straight to the host switch management software. Network administrators can continuously track transceiver temperature, supply voltage, laser bias currents, and absolute optical power levels. This deep telemetry layer transforms reactive troubleshooting into proactive, data-driven link maintenance.
LINK-PP LS-SM3101-40I 155M SFP Certification
LINK-PP LS-SM3101-40I aligns with rigorous international baselines, backing its structural design and manufacturing processes with official ISO 9001, CE, RoHS, and FCC credentials.
The module passes through a strict gauntlet of stress-screening protocols, validating individual laser calibration and signal margin under full load.
LS-SM3101-40I Quality Certifications
These standardized regulatory stamps ensure the hardware meets all global directives for low environmental impact, shield interference, and operational safety.
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.
LS-SM3101-40I Certified for Reliable Host-Device Compatibility
Extensive EEPROM code matching and hardware bench tests guarantee the transceiver speaks the exact digital language of major industry-standard multi-vendor platforms.
Rigorous Testing Ensures Reliable SFP Performance
Every LINK-PP SFP optical module undergoes hardware validation to guarantee flawless signaling across extended operating hours. Learn more about our rigorous quality benchmarks by visiting the LINK-PP Test Support Center.
Optical Spectrum Test
Measure center wavelength and spectral width precisely.
Eye Pattern Test
Analyze waveform shapes to ensure clear signals.
Bit Error Rate Test
Verify zero-packet loss during high-speed transmission.
Temperature Test
Confirm stable operation under severe thermal stress.
Product Shipping for LINK-PP LS-SM3101-40I 155M SFP
Our structured logistics setup ensures secure transit and timely delivery. We safeguard every shipment to maintain hardware integrity globally.
Anti-Static Protective Packaging
Shield fragile components against harmful electrostatic discharge during handling.
Shock-Resistant Transport Protection
Absorb sudden physical impacts to prevent internal component damage.
Fast Order Processing and Dispatch
Accelerate warehouse fulfillment to shorten your overall waiting time.
Global Logistics and International Delivery
Ship products reliably across worldwide borders via trusted carriers.
Align the duplex LC interface to establish reliable single-mode fiber links over extended spans. Purpose-built for critical infrastructure, this industrial-grade LS-SM3101-40I SFP optical transceiver delivers deterministic 155M signaling within municipal power networks, distributed factory setups, and long-haul transport control corridors requiring uninterrupted field communications.
LS-SM3101-40I 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 LS-SM3101-40I 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 LS-SM3101-40I is a true industrial-grade optical transceiver module, rated to operate flawlessly from -40°C up to +85°C (-40°F to 185°F). By
admin on
2026-03-13
A:
Yes, it features a highly stable physical layer architecture fully compliant with both packet-based Fast Ethernet and synchronous SDH optical protocols. By
admin on
2026-02-15
A:
No, it retains an optimized, low-power dissipation profile designed to prevent heat buildup inside sealed unconditioned enclosures. By
admin on
2026-01-08
The digital optical monitoring tracks voltage and laser current metrics down to decimal precision. It makes troubleshooting long-haul fiber plants via SNMP a breeze for our remote ops center.
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478908
273399
R***g
Canada
Verified
Purchase
5 .0
2026-02-28
Procured a batch of these 40km SMF transceivers for a wireless ISP tower backhaul expansion. They provide clean data paths over long single-mode fiber spans, ignoring the biting winter cold up in Alberta.
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478908
273396
Z***n
Russian Federation
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5 .0
2026-02-11
The bail latch mechanism on these feels heavy-duty. It locks firmly into high-vibration equipment environments, which is critical for our light rail communications infrastructure.
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478908
273404
W***s
Portugal
Verified
Purchase
5 .0
2026-01-27
Finding reliable, long-reach 155M SFP optics optimized for high-vibration railway trackside cabinets is increasingly difficult. These LINK-PP industrial-grade transceivers have completely stabilized our legacy signaling transport networks. The PIN receiver sensitivity handles the 35km spans beautifully without needing inline attenuators, while the rigid housing provides excellent resistance to the physical shocks of passing trains. A top-tier asset for keeping historical infrastructure completely stable and online.
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478908
273409
X***n
Greece
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5 .0
2025-12-08
Using these for a 35km campus link connecting a remote security checkpoint. The PIN receiver is sensitive enough to cope with minor aging on the older single-mode fiber paths without dropping packets.
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478908
273402
B***n
Ukraine
Verified
Purchase
5 .0
2025-11-23
In dense, sealed outdoor enclosures, heat is the ultimate hardware killer. These commercial-alternative industrial optics pull incredibly low current, keeping the thermal footprint of our edge switches in the green. The DOM monitoring metrics stream continuously into our mapping server via SNMP, letting us preemptively detect fiber degradation or dirty end-faces long before a link failure occurs. For long-distance industrial deployments, this SFP module is an absolute necessity.
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478908
273406
T***d
Denmark
Verified
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5 .0
2025-11-05
Deploying network hardware in coastal environments is brutal. These -40 to 85°C industrial SFP optics are highly resilient against extreme humidity and temperature swings in our enclosure boxes.
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478908
273403
Q***n
Norway
Verified
Purchase
5 .0
2025-10-22
We needed rugged 155M SFP modules to swap out old fiber modems at an electrical substation. The duplex LC interface locks cleanly, and the industrial casing handles electromagnetic interference effortlessly.
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478908
273395
D***d
Czech Republic
Verified
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4 .0
2025-09-09
Excellent 1310nm 40km industrial SFP module for the price. The metal pull-tab latch mechanism is extremely stiff, making it slightly hard to remove from deep, crowded switch slots, but it won't shake loose!
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478908
273408
V***e
Belgium
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4 .0
2025-09-02
The transceivers perform flawlessly on our 35km single-mode links. However, reading the exact model and serial numbers on the metal housing is tough in dark, unlit field cabinets.
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478908
273405
S***m
Finland
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5 .0
2025-08-13
We recently overhauled a regional water utility SCADA network across a 38-kilometer geographic radius. We standardized on the LINK-PP LS-SM3101-40I due to its true industrial operating temperature envelope. Running over standard 9-micron single-mode fiber, the 1310nm wavelength retains an exceptional power budget that mitigates splice losses over long runs. The integrated SFF-8472 DOM telemetry is crucial for our field technicians, allowing them to monitor real-time Tx/Rx power levels directly via our industrial switch CLI. This is an elite component for remote rugged deployments.
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