LS-MM8501-S5I integrates an 850nm VCSEL laser and PIN photodiode within an industrial-grade 155M SFP optical transceiver module, enabling reliable data links up to 550m via a duplex LC interface across a rugged -40 to +85°C temperature range.
LINK-PP Part Number
LS-MM8501-S5I
Vendor Name
LINK-PP
Form Factor
SFP
Max Data Rate
155Mbps
Wavelength
850nm
Max Cable Distance
550m
Connector
Duplex LC
Media
MMF
Transmitter Type
VSCEL
Receiver Type
PIN
TX Power
-14 to -8dBm
RX Power
-32 to -6dBm
Receiver Sensitivity
-18dBm
DOM Support
Yes
Operating Temperature Range
-40 to 85°C
Protocols
MSA Compliant
Key Features of LINK-PP LS-MM8501-S5I 155M SFP
LINK-PP LS-MM8501-S5I delivers robust short-reach data links by integrating a multi-mode optical core with an industry-standard hardware layout. It provides network administrators with real-time operational diagnostics and reliable physical connectivity over duplex multi-mode fiber.
LINK-PP LS-MM8501-S5I 155M SFP Optical Module
This module is engineered in strict adherence to the SFP Multi-Source Agreement (MSA) for universal physical and electrical layout standards. By meeting these foundational industry specifications, it guarantees seamless plug-and-play installation and vendor-neutral hardware recognition across diverse enterprise routing and switching platforms.
LS-MM8501-S5I: 155 Mbps Connectivity for Local Fiber Nodes
The module provides a steady 155Mbps line rate optimized for Fast Ethernet applications and localized industrial control networks. It ensures efficient, stable data transmission for terminal devices located within local fiber nodes and subnets.
LS-MM8501-S5I Module with 850nm Wavelength
Operating at a central wavelength of 850nm, the module utilizes a dependable VCSEL laser source and a matching PIN photodetector. This optical configuration maximizes efficiency over short-haul multi-mode fiber infrastructure while keeping power consumption low.
LS-MM8501-S5I Module Supporting 550m Transmission
Designed for short-distance cabinet-to-cabinet or device-to-switch connectivity, this optic spans up to 550m without optical power loss. It offers a budget-friendly alternative to expensive optical setups for localized automation systems or factory floor layouts.
LS-MM8501-S5I Module with Duplex LC Interface
The physical connection utilizes an industry-standard duplex LC interface to guarantee secure, stable optical latching. This high-density connector design minimizes insertion loss and fits cleanly into crowded top-of-rack or patch panel fields.
LS-MM8501-S5I Module with DOM for Real-Time Monitoring
Featuring Digital Optical Monitoring (DOM) according to SFF-8472, the transceiver delivers live data on internal metrics like optical power and temperature. Network engineers can pull these diagnostics directly via the switch OS command line to simplify link troubleshooting.
LINK-PP LS-MM8501-S5I 155M SFP Certification
The LINK-PP LS-MM8501-S5I module is manufactured under strict quality systems and carries recognized ISO 9001, CE, RoHS, and FCC compliance marks to guarantee safe, eco-friendly operation.
Each module undergoes rigorous factory testing, including real-time optical eye-pattern analysis and temperature cycling, to ensure reliable field deployment.
LS-MM8501-S5I Quality Certifications
These global credentials verify that the transceiver meets international safety, environmental, and electromagnetic compatibility standards.
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-MM8501-S5I Certified for Reliable Host-Device Compatibility
Extensive interoperability audits guarantee that the transceiver is recognized smoothly by mainstream networking equipment without triggering port-lockout warnings.
Rigorous Testing Ensures Reliable SFP Performance
Every LINK-PP optical module undergoes thorough lab validation to guarantee zero packet loss and seamless field stability. To explore our validation processes, visit the LINK-PP Test Support Center.
Optical Spectrum Test
Calibrate emission wavelengths to prevent adjacent channel interference.
Eye Pattern Test
Evaluate transmitter symmetry to guarantee clean optical waveforms.
Bit Error Rate Test
Confirm flawless data packet delivery under maximum traffic loads.
Temperature Test
Test component reliability and limits under severe temperature swings.
Product Shipping for LINK-PP LS-MM8501-S5I 155M SFP
Secure dispatch protocols ensure your optical gear arrives intact and on schedule. We accelerate every order for seamless global deployment.
Anti-Static Protective Packaging
Neutralize electrostatic hazards to preserve sensitive internal microelectronics.
Shock-Resistant Transport Protection
Cushion the physical chassis against heavy transit vibrations.
Fast Order Processing and Dispatch
Accelerate warehouse fulfillment to minimize lead times for deployment.
Global Logistics and International Delivery
Coordinate with leading express carriers for dependable worldwide shipping.
Establish instant multi-mode links by sliding the LS-MM8501-S5I optical transceiver directly into any compatible SFP port. It is uniquely engineered to support local automation nodes, wind farm control networks, and traffic monitoring systems operating in extreme outdoor temperature conditions.
LS-MM8501-S5I 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-MM8501-S5I 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, the LS-MM8501-S5I 155M SFP is an industrial wide-temperature module rated up to +85°C (+185°F). The internal VCSEL laser is specifically engineered to stay stable under intense ambient heat. By
admin
A:
It requires a standard dual-strand (Duplex) multi-mode fiber run to operate correctly. One strand is dedicated to transmitting data (TX) and the other is for receiving data (RX) through the Duplex LC port. By
admin
Please write comments with more than three
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494073
361848
H***d
Poland
Verified
Purchase
5 .0
2026-05-07
Our team selected this 850nm SFP module for an equipment-room interconnect, and it has been reliable throughout the test period. It fit properly, linked without delay, and stayed stable under normal use. The 850nm short-wave design worked well with our multi-mode fiber and existing patch cords. We also appreciated that it did not require a complicated validation process before deployment. DOM support made it easier to confirm the module was operating within a healthy range. That is useful when you want fewer surprises in the field. The overall experience has been very positive. It is a straightforward solution for short-distance optical networking.
Please write comments with more than three
character.
494073
361842
V***s
Denmark
Verified
Purchase
5 .0
2026-04-07
The real-time digital optical monitoring is crucial for our remote site maintenance. We can track voltage and temperature straight from the CLI. Makes troubleshooting legacy Fast Ethernet circuits incredibly easy.
Please write comments with more than three
character.
494073
361857
D***w
Austria
Verified
Purchase
5 .0
2026-03-22
We needed a simple 155M multi-mode SFP transceiver for a legacy switch, and this one delivered. The duplex LC port and 850nm wavelength matched our run perfectly.
Please write comments with more than three
character.
494073
361854
N***k
New Zealand
Verified
Purchase
4 .0
2026-03-16
Performance has been excellent, but the shipment took a bit longer than we hoped. That said, once it arrived, the module was ready to use immediately and the link stayed stable. Overall, still a good buying experience.
Please write comments with more than three
character.
494073
361869
W***n
Spain
Verified
Purchase
5 .0
2026-02-22
Excellent build, true industrial operating temperature range, and clean Duplex LC interface. It solves all our legacy connectivity issues without breaking the bank. Will look to LINK-PP for future optical needs.
Please write comments with more than three
character.
494073
361851
J***t
France
Verified
Purchase
5 .0
2026-01-03
We ran this module in a live network segment, and it has been very steady under regular traffic. The installation was quick, and the link quality stayed consistent during the entire test period. Because it is designed for short-reach multi-mode fiber, it fits our setup naturally. The duplex LC connector also made the physical connection clean and easy to manage. DOM information was useful for confirming optical status during periodic checks. That gave us more confidence during the evaluation. It has performed like a reliable part rather than a temporary workaround. For short-distance optical networking, it is very workable.
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character.
494073
361866
A***p
Canada
Verified
Purchase
5 .0
2025-12-26
We operate in northern Canada where winter temperatures drop below -30°C inside outdoor telecom boxes. These industrial-grade 155M SFP transceivers haven't missed a beat. Truly ruggedized components.
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character.
494073
361859
O***t
Canada
Verified
Purchase
5 .0
2025-12-24
This transceiver has worked well in our indoor equipment environment where stability matters more than anything else. We installed it on a multi-mode run and the link behaved exactly as expected. There was no special setup required, which saved time during deployment. The duplex LC interface made patching simple and clean. DOM data gave us enough visibility to verify performance without opening the cabinet too often. It has been a good fit for routine maintenance. In short, it does the job without complications.
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character.
494073
361843
C***n
Germany
Verified
Purchase
5 .0
2025-11-07
Hooked these up over standard OM2 multi-mode patch cords for a short 300m link between server rooms. Latency is non-existent and the physical latching mechanism feels premium. Will buy more LINK-PP optics.
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character.
494073
361858
S***s
Netherlands
Verified
Purchase
5 .0
2025-10-29
Good option for legacy Ethernet upgrades where you still want industrial-grade reliability. It feels more dependable than random no-name third-party transceivers we have tried before.
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character.
494073
361850
E***o
United Kingdom
Verified
Purchase
5 .0
2025-10-08
We tested this 155M SFP transceiver in a small industrial cabinet, and it proved to be a dependable option. The module connected quickly and maintained a steady link through the full test cycle. Its multi-mode short-reach design matched our environment well, so installation was simple. We did not run into compatibility problems during the rollout. DOM visibility helped our technicians verify the optics during the setup phase. That made the process smoother and faster. It has continued working without any noticeable issues. For industrial field deployment, it feels like a sensible choice.
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494073
361844
M***a
Belgium
Verified
Purchase
4 .0
2025-07-23
The 155M SFP module itself works perfectly, but the shipping took a little longer than expected. Once it arrived, installation was quick and the link came up without any issue. I’m happy with the product quality overall.
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character.
494073
361846
S***e
Japan
Verified
Purchase
5 .0
2025-06-08
We deployed this industrial-grade 155M SFP module in a short-reach multi-mode link and it has been very consistent from the start. The module seated cleanly, came up quickly, and stayed stable during normal production traffic. The 850nm wavelength matched our existing fiber layout well, so we did not need to change the cabling. DOM monitoring has also been useful for routine checks, especially when we want a quick read on optical health. For field use, it feels dependable and easy to live with. It has not created any extra work for our team. Overall, it is a practical module for daily network operations.
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character.
494073
361853
L***n
Ukraine
Verified
Purchase
4 .0
2025-05-09
The transceiver is doing its job well, but the outer package could use a bit more protection for long-distance shipping. There was no damage to the module, so the concern was only about the shipping container.
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character.
494073
361868
L***n
Malaysia
Verified
Purchase
5 .0
2025-04-22
We used this LS-MM8501-S5I SFP transceiver in a small campus fiber link, and it has been steady from day one. The 850nm MMF setup was exactly what our old run needed, and the duplex LC connection made the install easy.
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character.
494073
361849
S***e
Thailand
Verified
Purchase
5 .0
2025-04-11
This LS-MM8501-S5I 155M SFP module has held up well in a real-world network environment where uptime is important. We installed it in a short fiber run between cabinets and it has remained stable through daily operation. The duplex LC connection was easy to handle, and the module integrated smoothly into our cabling setup. We also checked the DOM values during testing, and the readings were consistent. That gave our team confidence in the link quality. It is the kind of product that quietly performs without demanding attention. For operational networks, that is a big advantage. It has been reliable from day one.
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character.
494073
361841
J***r
Cambodia
Verified
Purchase
5 .0
2025-03-12
Needed wide temperature support for a harsh factory floor deployment. These industrial 155M SFP transceivers have been running inside an unventilated outdoor cabinet for months through summer heat. Still going strong!
United States · English · USD
