LS-BL553101-40I integrates a 1550nm-TX/1310nm-RX wavelength split to power 40km of single-fiber 155M SFP BiDi transmission via a simplex LC interface, maintaining steady operation across -40 to +85°C extremes with the safeguard of real-time digital optical monitoring.
LINK-PP Part Number
LS-BL553101-40I
Vendor Name
LINK-PP
Form Factor
SFP
Max Data Rate
155Mbps
Wavelength
1550nm-TX/1310nm-RX
Max Cable Distance
40km
Connector
Simplex LC
Media
SMF
Transmitter Type
DFB
Receiver Type
PIN
TX Power
-8 to -1dBm
Receiver Sensitivity
-32dBm
RX Power
-32 to -6dBm
DOM Support
Yes
Operating Temperature Range
-40 to 85°C
Protocols
Fast Ethernet, Gigabit Fibre Channel, MSA Compliant
Key Features of LINK-PP LS-BL553101-40I 155M SFP
LINK-PP LS-BL553101-40I is an industrial-grade single-mode transceiver module engineered to deliver reliable data transmission across extended distances. It integrates advanced bidirectional wavelengths, built-in diagnostic functions, and a rugged optical design to ensure stable link integrity in harsh environmental conditions.
LINK-PP LS-BL553101-40I 155M SFP Optical Module
This module utilizes a highly stable DFB laser as the transmitter and a sensitive PIN photo detector as the receiver. This optimized optical combination provides reliable signal conversion and excellent receiver sensitivity for long-range links.
LS-BL553101-40I: 155 Mbps Connectivity for Legacy Utility Grids
Operating at a steady Fast Ethernet speed of 155Mbps, this transceiver provides the exact bandwidth required by legacy utility networks, transportation controls, and SCADA monitoring systems. It allows operators to maintain secure and predictable communication without upgrading to unnecessary, high-power protocols.
LS-BL553101-40I Module with 1550nm-TX/1310nm-RX Wavelength
By utilizing a 1550nm-TX and 1310nm-RX bidirectional wavelength combination, the transceiver transmits and receives different signals simultaneously over a single optical strand. This BiDi design effectively doubles the fiber capacity of existing cable infrastructure.
Designed for single-mode fiber infrastructure, this module possesses a robust power budget capable of spanning up to 40km. It is a highly cost-effective solution for connecting remote substations and distant field sensors back to a central control room.
LS-BL553101-40I Module with Simplex LC Interface
Featuring a standardized simplex LC connector, the transceiver allows for quick, secure, and compact physical connections. This single-port interface simplifies cable management in high-density patch panels and rugged enclosure boxes.
LS-BL553101-40I Module with DOM for Real-Time Monitoring
The integrated Digital Optical Monitoring (DOM) interface provides real-time telemetry of critical operational metrics, including operating temperature, laser bias current, and supply voltage. This proactive diagnostic feature helps network technicians troubleshoot and resolve path anomalies before a link failure occurs.
LINK-PP LS-BL553101-40I 155M SFP Certification
LINK-PP LS-BL553101-40I SFP transceiver is manufactured in compliance with strict international guidelines, holding major industry certifications such as ISO 9001, CE, RoHS, and FCC to ensure global safety and environmental standards.
Every single module undergoes a rigorous multi-stage verification process, including eye diagram analysis and temperature cycling tests, to guarantee zero-defect performance in the field.
LS-BL553101-40I Quality Certifications
These official compliance credentials validate that the module meets all required electrical safety and hazard-free manufacturing criteria for network deployment.
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-BL553101-40I Certified for Reliable Host-Device Compatibility
The transceiver's EEPROM is coded and tested to ensure seamless, plug-and-play interoperability with a wide range of major industrial switches and routers.
Rigorous Testing Ensures Reliable SFP Performance
Every LINK-PP SFP module undergoes extensive hardware validation to guarantee flawless link stability, and you can explore our complete testing methodology at the LINK-PP Test Support Center.
Optical Spectrum Test
Verify precise central wavelengths and spectral width using optical analyzers.
Eye Pattern Test
Analyze signal transmitter quality to ensure clean optical wave shapes.
Bit Error Rate Test
Measure data transmission accuracy to guarantee packet-drop-free performance.
Temperature Test
Confirm stable transceiver operation across extreme thermal ranges.
Product Shipping for LINK-PP LS-BL553101-40I 155M SFP
We package and ship every module with extreme care. This ensures your order arrives safely and on time.
Anti-Static Protective Packaging
Shield delicate optical components from static discharge during handling.
Shock-Resistant Transport Protection
Safeguard your transceiver against physical impacts during transit.
Fast Order Processing and Dispatch
Streamline fulfillment procedures to ensure efficient handling of orders.
Global Logistics and International Delivery
Deliver orders worldwide using reliable international shipping partners.
Slide the LS-BL553101-40I SFP module into your industrial switch port and secure the simplex LC fiber connection for immediate plug-and-play operation. This transceiver is ideally deployed in railway signaling, highway traffic monitoring, and pipeline telemetry systems where reliable 155Mbps links must span up to 40km.
LS-BL553101-40I 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-BL553101-40I 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:
No, this is a BiDi (Bidirectional) transceiver that transmits (1550nm-TX) and receives (1310nm-RX) over a single strand of single-mode fiber (SMF) via a Simplex LC connector. By
admin on
2026-04-03
A:
Yes, this 155M BiDi SFP transceiver is fully compliant with SONET OC-3 standards, making it perfect for critical legacy infrastructure upgrades. By
admin on
2026-01-19
A:
Yes, the built-in DOM/DDM feature continuously reports real-time diagnostics which can be easily polled by standard SNMP monitoring tools. By
admin on
2025-03-27
Please write comments with more than three
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494042
359048
J***n
Malaysia
Verified
Purchase
5 .0
2026-04-11
Operating a metro broadband network requires us to find cost-effective ways to optimize our physical fiber plant. Upgrading our legacy links to these simplex LC BiDi SFP transceivers allowed us to immediately reclaim half of our single-mode fiber cores for new deployments. Compatibility with our multi-vendor edge devices is absolutely flawless with no custom configuration needed. The low power consumption keeps our solar-powered active cabinets running cool. It is an outstanding investment for any telecommunication operator looking to scale efficiently.
Please write comments with more than three
character.
494042
359061
C***e
Bangladesh
Verified
Purchase
5 .0
2026-03-08
Needed a reliable 155M BiDi SFP with DOM support for a campus fiber ring expansion. LINK-PP nailed it with this module. Plugs right into our FS switches and the DDM function without a hitch.
Please write comments with more than three
character.
494042
359056
S***z
Norway
Verified
Purchase
5 .0
2026-02-28
Perfect fit for our legacy SONET network upgrade. Hard to find reliable 155Mbps transceivers with a real industrial temperature range, but LINK-PP delivered.
Please write comments with more than three
character.
494042
359059
M***s
Sweden
Verified
Purchase
5 .0
2026-01-22
Very stable DOM readings. Tx power and bias current are rock solid in our monitoring software. No weird fluctuations like the cheap clones we bought on eBay before.
Please write comments with more than three
character.
494042
359051
E***w
Germany
Verified
Purchase
5 .0
2025-12-26
Working as a field engineer in harsh environments, I can confidently say that these industrial modules are built to last. The metal housing is robust, the simplex LC latch locks securely, and the pull-tab is extremely durable. We deployed them for a wind farm communication network where high vibration and sub-zero temperatures are constant. The real-time diagnostic monitoring is incredibly helpful, letting us track fiber health and optical power easily. This is a top-tier product for any rugged, long-range industrial networking project.
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character.
494042
359045
M***y
Poland
Verified
Purchase
5 .0
2025-12-12
The optical power budget is very generous on this 155M 40km SFP. Even with multiple patch panels and splices, we have plenty of margin left. Very forgiving SFP module!
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character.
494042
359054
W***r
Macao
Verified
Purchase
4 .0
2025-11-24
The 155M BiDi SFP transceivers work flawlessly on our switches, but the shipping took two days longer than expected. If you have a tight project deadline, make sure to order a week in advance! Core product is absolutely 5-star though.
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character.
494042
359050
E***n
Romania
Verified
Purchase
5 .0
2025-11-03
Using these for wind turbine monitoring networks. The wide operating temperature range is critical for us, and these modules haven't glitched once in sub-zero weather.
Please write comments with more than three
character.
494042
359053
A***s
Nepal
Verified
Purchase
5 .0
2025-10-02
Using these for industrial Ethernet connections between remote pump stations. They handle the dust and temperature swings beautifully. The 1550nm TX is super clean. d(^_^)b
Please write comments with more than three
character.
494042
359058
I***d
Russian Federation
Verified
Purchase
5 .0
2025-09-07
Our fiber infrastructure team is super happy with these. Running Fast Ethernet over single-mode fiber simplex link saved us thousands in trenching new fibers.
Please write comments with more than three
character.
494042
359052
D***r
Mexico
Verified
Purchase
5 .0
2025-08-30
Our technical evaluation shows that the optical wavelengths are highly accurate and stable. The module easily extends the transmission range over our single-mode fiber links, which is perfect for our regional substations. On some older legacy switches, we just had to manually set the port speed to match the transceiver rate, and it connected instantly. Since then, the link has been up with zero packet losses during heavy traffic testing. The digital optical monitoring aligns perfectly with our inline power meters.
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character.
494042
359046
H***n
United States
Verified
Purchase
5 .0
2025-07-19
We deployed 20 of these LS-BL553101-40I BiDi SFP modules for our highway IP camera backhaul. The Simplex LC port is a lifesaver when you're short on fiber cores. Definitely buying more for the next phase.
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character.
494042
359049
H***r
Netherlands
Verified
Purchase
5 .0
2025-05-14
As a lead network architect for a regional utility company, I highly recommend this industrial-grade BiDi SFP transceiver. We put these modules through extreme thermal testing inside our outdoor cabinets, and the wavelength stability remained incredibly solid. Over a long-distance single-mode fiber span, the receiver sensitivity held up perfectly with zero packet loss. The digital diagnostics integrate smoothly with our monitoring software to track real-time temperature and optical power. It is a highly reliable, telecom-grade product that offers incredible performance at a great price point.
Please write comments with more than three
character.
494042
359060
A***s
Philippines
Verified
Purchase
5 .0
2025-04-27
If you're looking for cheap single-mode LC BiDi modules that don't compromise on reliability, this is it. Clean optical eye diagram and very low jitter.
Please write comments with more than three
character.
494042
359055
S***g
Maldives
Verified
Purchase
4 .0
2025-04-05
The optical performance is excellent and the DOM telemetry is fully accurate. However, international customs clearance took longer than expected at the border, holding up our shipment for an extra three days. Once they arrived, they worked beautifully.
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