The LINK-PP LS-SM5501-80I 155M SFP transceiver module uses a 1550 nm wavelength and transmits data at 155 Mbps over single-mode fiber (SMF) for distances of up to 80 km. It is designed for stable, long-distance transmission even in demanding industrial settings.
LINK-PP Part Number
LS-SM5501-80I
Vendor Name
LINK-PP
Form Factor
SFP
Max Data Rate
155Mbps
Wavelength
1550nm
Max Cable Distance
80km
Connector
Duplex LC
Media
SMF
Transmitter Type
DFB
Receiver Type
PIN
TX Power
-14 to -8dBm
RX Power
-32 to -6dBm
Receiver Sensitivity
< -32dBm
DDM/DOM
yes
Operating Temperature Range
-40 to 85°C
Protocols
GR-468, MSA Compliant
Key Features of LINK-PP LS-SM5501-80I 155M SFP
The LINK-PP LS-SM5501-80I 155M SFP module reliably transmits data at 155 Mbps across extended fiber links of up to 80 km. Its featured Digital Optical Monitoring (DOM) ensures real-time performance visibility, and a standard dual LC interface enables quick installation and stable fiber connections.
LINK-PP LS-SM5501-80I 155M SFP Optical Module
This LINK-PP LS-SM5501-80I 155M SFP optical module features a high-performance DFB laser transmitter and a PIN photo detector, delivering excellent wavelength stability and long-term signal consistency for reliable data transmission under continuous operation and varying environmental conditions.
LS-SM5501-80I: Reliable 155Mbps Connectivity
The LINK-PP LS-SM5501-80I module provides reliable connectivity at 155 Mbps for long-haul fiber applications, ensuring a steady flow of data across extensive network infrastructures.
LS-SM5501-80I Module with 1550nm Wavelength
With an operating wavelength of 1550 nm, this LINK-PP LS-SM5501-80I module lowers optical attenuation and maintains superior signal integrity over long distances.
LS-SM5501-80I Module Supporting 80km Transmission
With transmission distance support of up to 80 kilometers, the LINK-PP LS-SM5501-80I 155M SFP transceiver module is ideal for telecommunications networks, enterprise backbones, and remote site connectivity, especially in applications where long-distance reliability is critical.
LS-SM5501-80I Module with Duplex LC Interface
The LINK-PP LS-SM5501-80I’s duplex LC interface offers a compact, efficient connection with separate transmit and receive channels. It simplifies cable management and ensures reliable alignment and compatibility with most standard switches, routers, and media converters.
LS-SM5501-80I Module with DOM for Real-Time Monitoring
With its Digital Optical Monitoring (DOM) function, you can examine key operational conditions, like temperature, supply voltage, transmit power, and receive power, in real-time, helping solve problems faster and improve equipment reliability.
LINK-PP LS-SM5501-80I 155M SFP Certification
LINK-PP modules achieve ISO 9001 quality excellence, backed by CE, RoHS, and FCC certifications, ensuring worldwide safety and environmental standards.
Each product goes through LINK-PP’s multi-stage inspection, including spectrum, eye diagram, BER, and thermal evaluations for precision and performance excellence.
LS-SM5501-80I Quality Certifications
LINK-PP’s manufacturing meets global ISO 9001 standards and carries CE, RoHS, and FCC marks of quality and compliance.
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-SM5501-80I Certified for Reliable Host-Device Compatibility
Verified with LINK-PP switches and routers to ensure plug-and-play operation and stable long-term performance.
Rigorous Testing Ensures Reliable SFP Performance
LINK-PP utilizes a rigorous testing process to guarantee that each unit fulfills the stringent performance criteria in actual network settings. For further information, see the LINK-PP Test Support Center.
Optical Spectrum Test
Checks wavelength accuracy and spectral shape to guarantee optimal optical output.
Eye Pattern Test
Observes waveform patterns to confirm clear data representation.
Bit Error Rate Test
Observes waveform patterns to confirm clear data representation.
Temperature Test
Ensures long-term reliability through environmental stress testing.
Product Shipping for LINK-PP LS-SM5501-80I 155M SFP
Each LINK-PP module leaves the warehouse deployment-ready, with packaging and logistics optimized for safe transport and prompt global arrival.
Anti-Static Protective Packaging
Protective materials prevent electrostatic damage to components.
Shock-Resistant Transport Protection
Reinforced packing absorbs shocks during delivery.
Fast Order Processing and Dispatch
Orders move quickly from confirmation to dispatch.
The LINK-PP LS-SM5501-80I 155M SFP module is perfect for industrial networks, long-distance enterprise links, telecommunications backbones, and remote site connectivity. It allows for stable optical communication over up to 80 km with little signal degradation.
LS-SM5501-80I Technical Support
LINK-PP provides professional technical support, including pre-sales consultation, compatibility verification, and post-deployment troubleshooting to ensure smooth network operation.
Pre-Sales Technical Consultation
Professional technical guidance to help customers select the most suitable LS-SM5501-80I modules based on network architecture and application requirements.
Compatibility Verification Support
Compatibility checks and validation to ensure seamless operation with Cisco switches and other supported networking platforms.
Deployment & Installation Assistance
Step-by-step support for installation, configuration, and initial deployment to ensure stable and correct operation.
Long-Term Technical Assurance
Ongoing technical support throughout the product lifecycle to ensure reliable performance in enterprise and carrier-grade networks.
A:
Yes. The datasheet specifically lists 155Mbps optical systems, Fast Ethernet, and SONET OC-3 among the applications. It uses a hot-pluggable SFP footprint and complies with the SFP MSA and SFF-8472. By
admin on
2026-04-22
A:
Yes. The LS-SM5501-80I is specified for up to 155Mbps operation and up to 80km transmission over single-mode fiber. It uses a 1550nm DFB laser transmitter and a PIN photodiode receiver. Actual link performance depends on the installed fiber and optical loss budget. By
admin on
2025-12-13
A:
Yes, provided the system requirements match the module specifications. The industrial version is rated for -40 to +85°C operating case temperature and supports up to 80km over SMF at 155Mbps, making it suitable for long-distance optical links in wider-temperature environments. By
admin on
2025-08-25
A:
This is the industrial version, with an operating case temperature of -40 to +85°C. The datasheet also lists 0 to +70°C for the standard version. This makes the industrial model more suitable for outdoor cabinets, remote sites, and other environments with wider temperature variation. By
admin on
2025-04-15
A:
Yes. It supports Real-Time Digital Diagnostic Monitoring and SFF-8472 digital diagnostics. The optical interface is a Duplex LC receptacle, and the module is designed for SMF transmission. By
admin on
2024-03-19
We needed a 155Mbps optical transceiver for a remote communications link, not a modern high-speed Ethernet upgrade. This module matched the application well and gave us the 1550nm long-distance fiber connectivity we were looking for at a reasonable cost.
Please write comments with more than three
character.
478313
425937
N***s
Sweden
Verified
Purchase
5 .0
2026-01-12
Good fit for industrial network maintenance. We tested the module on our existing SMF route before production and confirmed the optical link was stable. The industrial temperature rating gives us additional confidence for equipment installed outside a climate-controlled room.
Please write comments with more than three
character.
478313
425939
M***t
Belarus
Verified
Purchase
5 .0
2025-11-19
We used this industrial SFP in an outdoor cabinet for a remote network segment. The -40 to +85°C operating range was a key requirement, and the module also provides real-time digital diagnostic monitoring for easier remote maintenance.
Please write comments with more than three
character.
478313
425952
J***y
Spain
Verified
Purchase
5 .0
2025-10-25
The 80km reach is the main advantage for our deployment. We have a long single-mode fiber route between remote facilities, and this 1550nm SFP gives us enough optical reach without changing the existing SFP-based equipment. =D
Please write comments with more than three
character.
478313
425951
B***k
Germany
Verified
Purchase
5 .0
2025-09-02
Good replacement for our legacy SONET OC-3 equipment. The 1550nm DFB transmitter and PIN photodiode receiver worked well with our existing single-mode fiber and Duplex LC patching. No need to redesign the optical infrastructure.
Please write comments with more than three
character.
478313
425945
S***k
Philippines
Verified
Purchase
5 .0
2025-08-26
The module was a good match for our existing 155Mbps optical equipment. We checked the fiber path, connector condition, and optical readings during commissioning, and the link came up without any issues. A straightforward replacement for older long-reach optics.
Please write comments with more than three
character.
478313
425959
S***s
Maldives
Verified
Purchase
5 .0
2025-05-18
This 155Mbps SFP was a good fit for an older optical system we are maintaining. We tested the link over single-mode fiber and confirmed stable communication. DOM readings are also useful for our technicians during routine maintenance.
Please write comments with more than three
character.
478313
425943
C***s
Singapore
Verified
Purchase
5 .0
2025-04-11
Very practical for legacy Fast Ethernet infrastructure. We needed a long-distance 1550nm optical module with Duplex LC and SMF support, and this one matched the requirements without introducing unnecessary complexity.
Please write comments with more than three
character.
478313
425953
G***l
New Zealand
Verified
Purchase
4 .0
2025-03-12
The module itself worked properly and passed our link test. I only had a minor packaging issue on delivery, so I took one star off. The 1550nm 80km optical performance and industrial temperature specification were otherwise a good fit for our application.
Please write comments with more than three
character.
478313
425940
R***s
Hong Kong
Verified
Purchase
5 .0
2025-02-09
We used these for a long-distance fiber connection between two network cabinets. The 1550nm wavelength, Duplex LC interface, and 80km SMF reach matched our existing fiber infrastructure, so deployment was very straightforward.
Please write comments with more than three
character.
478313
425942
E***n
Hong Kong
Verified
Purchase
5 .0
2024-12-16
We deployed several units on a campus fiber network with long runs between buildings. The 80km SMF specification gives us plenty of reach, while the standard SFP footprint makes field replacement quick. :)
Please write comments with more than three
character.
478313
425946
A***z
Bangladesh
Verified
Purchase
5 .0
2024-12-15
We tested several units as part of a multi-platform compatibility check. The standard SFP interface and SFP MSA compliance made the physical integration easy. We also verified the 155Mbps link performance over our existing single-mode fiber before deployment.
Please write comments with more than three
character.
478313
425954
L***n
United States
Verified
Purchase
5 .0
2024-08-30
We installed these in several indoor and outdoor network cabinets during a maintenance project. The 1550nm DFB laser, PIN photodiode, and 80km SMF specification fit our optical requirements. The Duplex LC connection also made the physical installation quick.
Please write comments with more than three
character.
478313
425957
C***l
Denmark
Verified
Purchase
5 .0
2024-08-14
Good value for a specialized 155Mbps long-reach application. We did not need 1G or 10G bandwidth, so using this 155M SFP allowed us to maintain the existing network design while replacing aging optical hardware.
Please write comments with more than three
character.
478313
425956
C***n
Australia
Verified
Purchase
5 .0
2024-07-05
We selected the industrial version for an outdoor communications cabinet where the temperature range can be much wider than a normal equipment room. The -40 to +85°C operating range was an important reason for choosing this model.
Please write comments with more than three
character.
478313
425944
J***t
New Zealand
Verified
Purchase
5 .0
2024-06-14
The DOM feature is very useful for our operations team. We can check temperature and optical parameters from the host system when troubleshooting a remote link instead of immediately sending a technician to the cabinet.
Please write comments with more than three
character.
478313
425941
E***g
Taiwan, Province of China
Verified
Purchase
5 .0
2024-04-15
This worked nicely for a remote fiber connection where temperature conditions were outside the range we would normally accept for a standard-temperature SFP. The industrial -40 to +85°C specification was important for our outdoor enclosure. ;)
Please write comments with more than three
character.
478313
425955
G***a
Germany
Verified
Purchase
5 .0
2024-03-29
We purchased these for a batch replacement project involving older 155Mbps optical equipment. The SFP MSA and SFF-8472 support made the module familiar to work with, and the Duplex LC connector matched our existing patch panels.
Please write comments with more than three
character.
478313
425950
Z***s
Philippines
Verified
Purchase
5 .0
2024-03-14
We use this type of module for long-distance optical links where reliability and environmental tolerance matter more than high bandwidth. The industrial temperature range and real-time diagnostics are useful features for remote infrastructure that is not always easy to access.
Singapore · English · SGD
