LS-BL315501-20C operates as a commercial-grade 155M SFP BiDi single-mode optical transceiver module, pairing a 1310nm FP laser with a 1550nm PIN photo detector across a hot-pluggable architecture to sustain seamless single-strand bidirectional spans up to 20km.
LINK-PP Part Number
LS-BL315501-20C
Vendor Name
LINK-PP
Form Factor
SFP
Max Data Rate
155Mbps
Wavelength
1310nm-TX/1550nm-RX
Max Cable Distance
20km
Connector
Simplex LC
Media
SMF
Transmitter Type
FP
Receiver Type
PIN
TX Power
-14 to -8dBm
RX Power
-32 to -6dBm
Receiver Sensitivity
< -32dBm
DOM Support
Yes
Operating Temperature Range
0 to 70°C
Protocols
Fast Ethernet, Gigabit Fibre Channel, MSA Compliant
Key Features of LINK-PP LS-BL315501-20C 155M SFP
LINK-PP LS-BL315501-20C is a commercial-grade 155M SFP BiDi single-mode optical transceiver module engineered for efficient fiber deployment. It combines a 1310nm-TX/1550nm-RX wavelength design, a 20km transmission reach, and digital diagnostics into a compact simplex LC architecture. This module provides a reliable and cost-effective solution for optimizing existing fiber infrastructure.
LINK-PP LS-BL315501-20C 155M SFP Optical Module
This transceiver is fully compliant with industry standards including the SFP MSA and the SFF-8472 protocol. These standards ensure seamless interoperability and excellent hardware compatibility across diverse networking platforms. Its hot-pluggable design also simplifies installation and ongoing system maintenance.
LS-BL315501-20C: 155 Mbps Connectivity for Campus Edge Switches
Operating at a stable data rate of 155Mbps, this module is perfectly tailored for Fast Ethernet and legacy telecom applications. It delivers the ideal bandwidth required to support campus edge switches and regional access links without excess power consumption. This makes it an excellent choice for steady, localized network distribution.
LS-BL315501-20C Module with 1310nm-TX/1550nm-RX Wavelength
Featuring advanced bidirectional (BiDi) technology, the module transmits data at 1310nm and receives at 1550nm over a single fiber strand. By separating the optical channels, it eliminates the need for dual-fiber cabling setups. This efficiently doubles transmission capacity over your current infrastructure.
Equipped with a dependable 1310nm FP laser and a PIN photo detector, this module easily covers distances up to 20km over single-mode fiber (SMF). It maintains excellent signal integrity over extended links to connect separated campus facilities reliably. The 20km range ensures dependable data transport for long-haul access loops.
LS-BL315501-20C Module with Simplex LC Interface
The integration of a simplex LC receptacle allows bidirectional traffic to flow through one physical optical port. This smart design cuts physical fiber requirements and patching infrastructure expenses in half. It also optimizes panel density in crowded network racks and data center frames.
LS-BL315501-20C Module with DOM for Real-Time Monitoring
With built-in Digital Optical Monitoring (DOM) capabilities, network managers can track vital metrics like operating temperature, voltage, and optical power. This proactive monitoring helps detect link degradation early and prevents unexpected downtime. It ensures long-term operational stability for critical connection paths.
LINK-PP LS-BL315501-20C 155M SFP Certification
LINK-PP LS-BL315501-20C meets strict global standards for quality, safety, and environmental impact, carrying full ISO 9001, CE, RoHS, and FCC certifications.
Each SFP optical module undergoes rigorous optical spectrum, eye pattern, and bit error rate testing before shipment to guarantee stable real-world hardware performance.
LS-BL315501-20C Quality Certifications
These international credentials prove the transceiver complies with strict manufacturing regulations and environmental safety requirements.
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-BL315501-20C Certified for Reliable Host-Device Compatibility
The module is thoroughly verified across various networking platforms to ensure seamless plug-and-play operation without port recognition or link drop errors.
Rigorous Testing Ensures Reliable SFP Performance
Every LINK-PP SFP transceiver module undergoes strict hardware validation to guarantee absolute link stability, and you can discover our full evaluation process at the LINK-PP Test Support Center.
Optical Spectrum Test
Check transmitter central wavelengths to prevent signal drift during operation.
Eye Pattern Test
Evaluate optical waveform symmetry to confirm clean physical layer signals.
Bit Error Rate Test
Quantify packet delivery accuracy to ensure error-free network transmission.
Temperature Test
Assess thermal stability to maintain reliable performance under shifting workloads.
Product Shipping for LINK-PP LS-BL315501-20C 155M SFP
Secure handling and efficient logistics guarantee that each optical transceiver arrives safely at your facility.
Anti-Static Protective Packaging
Shield vulnerable components from electrostatic discharge during storage and handling.
Shock-Resistant Transport Protection
Safeguard the optical alignment against bumps and vibrations during transit.
Fast Order Processing and Dispatch
Minimize fulfillment delays to accelerate your urgent infrastructure deployment timelines.
Global Logistics and International Delivery
Coordinate secure international transit routes for dependable worldwide equipment distribution.
Featuring a standardized hot-pluggable footprint, this LS-BL315501-20C 155M SFP BiDi optical module slides easily into compatible host switches for immediate link configuration. It serves as a reliable solution for enterprise access loops, legacy SDH/SONET systems, and point-to-point single-fiber connections across distributed regional facilities.
LS-BL315501-20C 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-BL315501-20C 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, the module is fully compliant with standard multi-source agreements and is programmed for seamless compatibility with major multi-vendor networking hardware. By
admin on
2026-03-16
A:
No, this transceiver is strictly designed for single-mode fiber (SMF) infrastructure to achieve proper alignment and reach specifications. By
admin on
2026-01-03
A:
You can utilize the integrated Digital Optical Monitoring (DOM) feature to read real-time module temperature metrics directly from your management console. By
admin on
2025-10-21
Perfect choice for Fast Ethernet infrastructure migrations. We needed a cost-efficient, standard-compliant solution for an older telecom sub-station upgrade requiring 155M optical transceivers. This module fits our technical criteria perfectly. The manufacturing build quality is excellent, with a precise mechanical casing that seats securely into standard SFP ports. In our testing lab, the optical spectrum analysis confirmed strict adherence to the specified wavelengths, and eye pattern testing demonstrated wide margins above standard thresholds. This ensures exceptional signal integrity over long-distance single-mode fiber topologies up to the 20km limit.
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476901
291319
L***y
Italy
Verified
Purchase
5 .0
2026-04-02
We deployed a dozen of these inside our main distribution frame. They handle the basic Fast Ethernet protocol transport perfectly. Good hardware stability for everyday enterprise operations. Let's see how they hold up long-term!
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476901
291332
E***s
Libyan Arab Jamahiriya
Verified
Purchase
5 .0
2026-03-31
Real-world 15km link works great! We ran a line across our industrial site over single-mode fiber. Even with multiple patch panels creating slight attenuation, the 20km power margin leaves plenty of safety headroom. Clean links without packet loss.
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476901
291325
W***d
Nepal
Verified
Purchase
4 .0
2026-02-20
Arrived two days later than expected. The product specs match up perfectly with our single-mode fiber infrastructure, and the multi-vendor compatibility works as expected. The only downside was that local customs clearance delayed the delivery by two days, causing us to shift our maintenance schedule. Good thing the modules work fine.
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476901
291317
H***t
Republic of Korea
Verified
Purchase
5 .0
2026-02-04
The 1310nm/1550nm wavelength pair works efficiently over our standard SMF infrastructure. If you need to optimize fiber count on long-distance runs, this Simplex LC module is the way to go.
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476901
291328
B***e
Maldives
Verified
Purchase
5 .0
2026-01-11
We deployed these in our climate-controlled indoor data room for a legacy Fast Ethernet migration. Operating temperatures are staying well within the commercial 0-70°C threshold. Will buy more for the next phase.
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476901
291322
G***d
Cambodia
Verified
Purchase
5 .0
2025-12-25
Excellent attenuation margins for distributed access networks. We deployed these 155M Simplex LC modules on a 17.5km single-mode fiber link connecting our central data center to a remote access node. Given the distance, we were closely monitoring the optical power budget and attenuation margins. The transmitter launched a very clean signal at 1310nm, and the receiver sensitivity at 1550nm allowed for a comfortable safety headroom even with multiple fusion splices along the path. The links have remained perfectly stable for weeks without a single Bit Error Rate spike.
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476901
291318
A***d
Mexico
Verified
Purchase
5 .0
2025-11-07
Great DOM monitoring feature! Having integrated Digital Optical Monitoring at this price point is amazing. We can track real-time transceiver temperature and optical power directly from our remote network management center. Very satisfied with the deployment!
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476901
291321
J***y
Italy
Verified
Purchase
4 .0
2025-10-31
Excellent compatibility, slower than expected shipping. Deployed these on a multi-vendor edge network and they synced immediately—no firmware issues at all. The hardware seems very robust for indoor use. However, standard shipping to our EU facility took longer than stated on the site. Good product, but plan ahead for delivery delays.
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476901
291316
D***d
Morocco
Verified
Purchase
5 .0
2025-09-17
Robust real-time telemetry and diagnostic capabilities. As a network operations manager, having active DOM/DDM telemetry on our fiber links is non-negotiable. This transceiver provides highly accurate diagnostic monitoring data. We can track transmitter bias current, internal module temperature, and supply voltage directly through our standard network operating system interface. This visibility is vital for proactive maintenance and identifying fiber attenuation degradation before it causes a hard link downtime event. The commercial temperature handling is completely adequate for our indoor rack deployments. (^_^)
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476901
291324
Z***r
Malaysia
Verified
Purchase
5 .0
2025-08-22
Saved our fiber layout budget! Using the Simplex LC setup allowed us to cut our physical fiber utilization in half for the campus uplink. The 1310nm-TX and 1550nm-RX channel alignment is rock solid over our 16km single-mode run.
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476901
291320
U***d
Bangladesh
Verified
Purchase
5 .0
2025-07-29
Our engineering department deployed 20 units of this 155M SFP BiDi 20km module across our regional campus network infrastructure. The primary objective was to optimize our existing single-mode fiber plant. By utilizing the Simplex LC architecture with alternating 1310nm-TX and 1550nm-RX wavelengths, we successfully doubled our link capacity without laying new cables. Digital Optical Monitoring (DOM) telemetry is fully accessible via our SNMP monitoring platform, providing real-time data on receiver power levels and internal operating temperatures. The units have maintained stable links with zero frame losses under heavy traffic validation.
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476901
291315
I***l
United Kingdom
Verified
Purchase
5 .0
2025-07-08
Fully compliant with multi-source agreement standards. Our engineering team checked the firmware synchronization and found the register values perfectly aligned with standard SFP requirements.
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476901
291329
F***k
Lithuania
Verified
Purchase
5 .0
2025-06-19
We are using these for a dedicated low-bandwidth telemetry link between buildings. The 155M line rate holds perfectly stable under continuous traffic testing. No interface flapping noticed.
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476901
291326
C***e
Macao
Verified
Purchase
5 .0
2025-05-26
Needed some reliable 155M transceivers for our distributed multi-point network layout. These optical modules paired instantly without any software recognition errors or interface lockouts. Clear data streams all day.
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476901
201654
i***d
Israel
Verified
Purchase
5 .0
2024-01-23
We have been with l-p.com for about 3 years. Our experience has always been positive. Their sales have always been able to help when we needed it. I highly recommend this site.
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476901
201661
M***n
Canada
Verified
Purchase
5 .0
2024-01-04
I purchased these 10/25/40G Transceiver Modules and Lan Transformer because they were less expensive than I found in other places, and order came Fast and quick. Thank You
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476901
201672
S***s
Taiwan, Province of China
Verified
Purchase
5 .0
2023-09-13
Placed a few orders over the years with Link-PP. Their customers service have been brilliant and very helpful in the past and I always found the prices very competitive.
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476901
201667
J***m
United Arab Emirates
Verified
Purchase
5 .0
2023-06-01
Been looking for it for months! Only wholesalers with 1000x bunches available. Thank you for your help to all hobbyists! You need better adverts though, it's really difficult to find you on the internet.
Singapore · English · SGD
